fix deadlock when hotloading / closing engine

initial rewrite of the ambient entity spawning
Merge branch 'refs/heads/dev' into feat/mob_spawning_v2
2025-12-19 15:09:18 +00:00 · 2025-04-18 20:30:54 +02:00 · 2025-04-15 15:50:38 +02:00 · 2025-04-13 21:37:42 +02:00 · 2025-04-10 04:49:32 -04:00 · 2025-04-10 04:49:02 -04:00
181 changed files with 6211 additions and 5243 deletions
--- a/README.md
+++ b/README.md
@@ -15,17 +15,17 @@ Consider supporting our development by buying Iris on spigot! We work hard to ma

 ### Command Line Builds

-1. Install [Java JDK 17](https://www.oracle.com/java/technologies/javase/jdk17-archive-downloads.html)
+1. Install [Java JDK 21](https://www.oracle.com/java/technologies/javase/jdk21-archive-downloads.html)
 2. Set the JDK installation path to `JAVA_HOME` as an environment variable.
    * Windows
        1. Start > Type `env` and press Enter
        2. Advanced > Environment Variables
        3. Under System Variables, click `New...`
        4. Variable Name: `JAVA_HOME`
-        5. Variable Value: `C:\Program Files\Java\jdk-17.0.1` (verify this exists after installing java don't just copy
+        5. Variable Value: `C:\Program Files\Java\jdk-21.0.1` (verify this exists after installing java don't just copy
           the example text)
    * MacOS
-        1. Run `/usr/libexec/java_home -V` and look for Java 17
+        1. Run `/usr/libexec/java_home -V` and look for Java 21
        2. Run `sudo nano ~/.zshenv`
        3. Add `export JAVA_HOME=$(/usr/libexec/java_home)` as a new line
        4. Use `CTRL + X`, then Press `Y`, Then `ENTER`
@@ -35,7 +35,7 @@ Consider supporting our development by buying Iris on spigot! We work hard to ma

 ### IDE Builds (for development)

-* Configure ITJ Gradle to use JDK 17 (in settings, search for gradle)
+* Configure ITJ Gradle to use JDK 21 (in settings, search for gradle)
 * Add a build line in the build.gradle for your own build task to directly compile Iris into your plugins folder if you
  prefer.
 * Resync the project & run your newly created task (under the development folder in gradle tasks!)
--- a/build.gradle
+++ b/build.gradle
@@ -1,3 +1,5 @@
+import xyz.jpenilla.runpaper.task.RunServer
+
 /*
 * Iris is a World Generator for Minecraft Bukkit Servers
 * Copyright (c) 2021 Arcane Arts (Volmit Software)
@@ -30,9 +32,11 @@ plugins {
    id 'java-library'
    id "io.github.goooler.shadow" version "8.1.7"
    id "de.undercouch.download" version "5.0.1"
+    id "xyz.jpenilla.run-paper" version "2.3.1"
 }

-version '3.4.3-1.19.2-1.21.1'
+
+version '3.6.6-1.20.1-1.21.4'

 // ADD YOURSELF AS A NEW LINE IF YOU WANT YOUR OWN BUILD TASK GENERATED
 // ======================== WINDOWS =============================
@@ -43,7 +47,8 @@ registerCustomOutputTask('Coco', 'D://mcsm/plugins')
 registerCustomOutputTask('Strange', 'D://Servers/1.17 Test Server/plugins')
 registerCustomOutputTask('Vatuu', 'D://Minecraft/Servers/1.19.4/plugins')
 registerCustomOutputTask('CrazyDev22', 'C://Users/Julian/Desktop/server/plugins')
-registerCustomOutputTask('Pixel', 'C://Users/repix/Iris Dimension Engine/1.20.4 - Development/plugins')
+registerCustomOutputTask('PixelFury', 'C://Users/repix/workplace/Iris/1.21.3 - Development-Public-v3/plugins')
+registerCustomOutputTask('PixelFuryDev', 'C://Users/repix/workplace/Iris/1.21 - Development-v3/plugins')
 // ========================== UNIX ==============================
 registerCustomOutputTaskUnix('CyberpwnLT', '/Users/danielmills/development/server/plugins')
 registerCustomOutputTaskUnix('PsychoLT', '/Users/brianfopiano/Developer/RemoteGit/Server/plugins')
@@ -51,34 +56,48 @@ registerCustomOutputTaskUnix('PixelMac', '/Users/test/Desktop/mcserver/plugins')
 registerCustomOutputTaskUnix('CrazyDev22LT', '/home/julian/Desktop/server/plugins')
 // ==============================================================

+def MIN_HEAP_SIZE = "2G"
+def MAX_HEAP_SIZE = "8G"
+//Valid values are: none, truecolor, indexed256, indexed16, indexed8
+def COLOR = "truecolor"
+
 def NMS_BINDINGS = Map.of(
-        "v1_21_R1", "1.21-R0.1-SNAPSHOT",
+        "v1_21_R3", "1.21.4-R0.1-SNAPSHOT",
+        "v1_21_R2", "1.21.3-R0.1-SNAPSHOT",
+        "v1_21_R1", "1.21.1-R0.1-SNAPSHOT",
        "v1_20_R4", "1.20.6-R0.1-SNAPSHOT",
        "v1_20_R3", "1.20.4-R0.1-SNAPSHOT",
        "v1_20_R2", "1.20.2-R0.1-SNAPSHOT",
        "v1_20_R1", "1.20.1-R0.1-SNAPSHOT",
-        "v1_19_R3", "1.19.4-R0.1-SNAPSHOT",
-        "v1_19_R2", "1.19.3-R0.1-SNAPSHOT",
-        "v1_19_R1", "1.19.2-R0.1-SNAPSHOT"
 )
-def JVM_VERSION = Map.of(
-        "v1_21_R1", 21,
-        "v1_20_R4", 21,
-)
-NMS_BINDINGS.each { nms ->
-    project(":nms:${nms.key}") {
+def JVM_VERSION = Map.<String, Integer>of()
+NMS_BINDINGS.forEach { key, value ->
+    project(":nms:$key") {
        apply plugin: 'java'
        apply plugin: 'com.volmit.nmstools'

        nmsTools {
-            it.jvm = JVM_VERSION.getOrDefault(nms.key, 17)
-            it.version = nms.value
+            it.jvm = JVM_VERSION.getOrDefault(key, 21)
+            it.version = value
        }

        dependencies {
            implementation project(":core")
        }
    }
+
+    tasks.register("runServer-$key", RunServer) {
+        group("servers")
+        minecraftVersion(value.split("-")[0])
+        minHeapSize(MIN_HEAP_SIZE)
+        maxHeapSize(MAX_HEAP_SIZE)
+        pluginJars(tasks.shadowJar.archiveFile)
+        javaLauncher = javaToolchains.launcherFor { it.languageVersion = JavaLanguageVersion.of(JVM_VERSION.getOrDefault(key, 21))}
+        runDirectory.convention(layout.buildDirectory.dir("run/$key"))
+        systemProperty("disable.watchdog", "")
+        systemProperty("net.kyori.ansi.colorLevel", COLOR)
+        systemProperty("com.mojang.eula.agree", true)
+    }
 }

 shadowJar {
@@ -92,6 +111,7 @@ shadowJar {
    relocate 'com.dfsek.paralithic', 'com.volmit.iris.util.paralithic'
    relocate 'io.papermc.lib', 'com.volmit.iris.util.paper'
    relocate 'net.kyori', 'com.volmit.iris.util.kyori'
+    relocate 'org.bstats', 'com.volmit.util.metrics'
    archiveFileName.set("Iris-${project.version}.jar")
 }

@@ -109,33 +129,36 @@ allprojects {

    repositories {
        mavenCentral()
-        maven { url "https://repo.papermc.io/repository/maven-public/"}
+        maven { url "https://repo.papermc.io/repository/maven-public/" }
        maven { url "https://repo.codemc.org/repository/maven-public" }
        maven { url "https://mvn.lumine.io/repository/maven-public/" }
-        maven { url "https://jitpack.io"}
+        maven { url "https://jitpack.io" }

        maven { url "https://s01.oss.sonatype.org/content/repositories/snapshots" }
        maven { url "https://mvn.lumine.io/repository/maven/" }
        maven { url "https://repo.triumphteam.dev/snapshots" }
        maven { url "https://repo.mineinabyss.com/releases" }
        maven { url 'https://hub.jeff-media.com/nexus/repository/jeff-media-public/' }
-        maven { url "https://repo.oraxen.com/releases" }
+        maven { url "https://repo.nexomc.com/snapshots/" }
+        maven { url "https://libraries.minecraft.net" }
    }

    dependencies {
        // Provided or Classpath
-        compileOnly 'org.projectlombok:lombok:1.18.24'
-        annotationProcessor 'org.projectlombok:lombok:1.18.24'
+        compileOnly 'org.projectlombok:lombok:1.18.36'
+        annotationProcessor 'org.projectlombok:lombok:1.18.36'

        // Shaded
-        implementation 'com.dfsek:Paralithic:0.4.0'
+        implementation 'com.dfsek:paralithic:0.8.1'
        implementation 'io.papermc:paperlib:1.0.5'
        implementation "net.kyori:adventure-text-minimessage:4.17.0"
        implementation 'net.kyori:adventure-platform-bukkit:4.3.4'
        implementation 'net.kyori:adventure-api:4.17.0'
+        implementation 'org.bstats:bstats-bukkit:3.1.0'
        //implementation 'org.bytedeco:javacpp:1.5.10'
        //implementation 'org.bytedeco:cuda-platform:12.3-8.9-1.5.10'
        compileOnly 'io.lumine:Mythic-Dist:5.2.1'
+        compileOnly 'io.lumine:MythicCrucible-Dist:2.0.0'

        // Dynamically Loaded
        compileOnly 'io.timeandspace:smoothie-map:2.0.2'
@@ -149,6 +172,7 @@ allprojects {
        compileOnly 'rhino:js:1.7R2'
        compileOnly 'com.github.ben-manes.caffeine:caffeine:3.0.6'
        compileOnly 'org.apache.commons:commons-lang3:3.12.0'
+        compileOnly 'com.github.oshi:oshi-core:6.6.5'
    }

    /**
@@ -158,20 +182,35 @@ allprojects {
        options.compilerArgs << '-parameters'
        options.encoding = "UTF-8"
    }
+
+    javadoc {
+        options.encoding = "UTF-8"
+        options.addStringOption('Xdoclint:none', '-quiet')
+    }
+
+    task sourcesJar(type: Jar, dependsOn: classes) {
+        archiveClassifier.set('sources')
+        from sourceSets.main.allSource
+    }
+
+    task javadocJar(type: Jar, dependsOn: javadoc) {
+        archiveClassifier.set('javadoc')
+        from javadoc.destinationDir
+    }
 }

-if (JavaVersion.current().toString() != "17") {
+if (JavaVersion.current().toString() != "21") {
    System.err.println()
    System.err.println("=========================================================================================================")
-    System.err.println("You must run gradle on Java 17. You are using " + JavaVersion.current())
+    System.err.println("You must run gradle on Java 21. You are using " + JavaVersion.current())
    System.err.println()
    System.err.println("=== For IDEs ===")
-    System.err.println("1. Configure the project for Java 17")
-    System.err.println("2. Configure the bundled gradle to use Java 17 in settings")
+    System.err.println("1. Configure the project for Java 21")
+    System.err.println("2. Configure the bundled gradle to use Java 21 in settings")
    System.err.println()
    System.err.println("=== For Command Line (gradlew) ===")
-    System.err.println("1. Install JDK 17 from https://www.oracle.com/java/technologies/javase/jdk17-archive-downloads.html")
-    System.err.println("2. Set JAVA_HOME environment variable to the new jdk installation folder such as C:\\Program Files\\Java\\jdk-17.0.1")
+    System.err.println("1. Install JDK 21 from https://www.oracle.com/java/technologies/javase/jdk21-archive-downloads.html")
+    System.err.println("2. Set JAVA_HOME environment variable to the new jdk installation folder such as C:\\Program Files\\Java\\jdk-21.0.4")
    System.err.println("3. Open a new command prompt window to get the new environment variables if need be.")
    System.err.println("=========================================================================================================")
    System.err.println()
@@ -185,6 +224,20 @@ task iris(type: Copy) {
    dependsOn(build)
 }

+//    with classifier: 'javadoc' and 'sources'
+task irisDev(type: Copy) {
+    group "iris"
+    from("core/build/libs/core-javadoc.jar", "core/build/libs/core-sources.jar")
+    rename { String fileName ->
+        fileName.replace("core", "Iris-${version}")
+    }
+    into layout.buildDirectory.asFile.get()
+    dependsOn(iris)
+    dependsOn("core:sourcesJar")
+    dependsOn("core:javadocJar")
+}
+
+
 def registerCustomOutputTask(name, path) {
    if (!System.properties['os.name'].toLowerCase().contains('windows')) {
        return;
--- a/core/build.gradle
+++ b/core/build.gradle
@@ -62,7 +62,7 @@ dependencies {

    // Third Party Integrations
    compileOnly 'com.ticxo.playeranimator:PlayerAnimator:R1.2.7'
-    compileOnly 'io.th0rgal:oraxen:1.173.0'
+    compileOnly 'com.nexomc:nexo:1.0.0-dev.38'
    compileOnly 'com.github.LoneDev6:api-itemsadder:3.4.1-r4'
    compileOnly 'com.github.PlaceholderAPI:placeholderapi:2.11.3'
    compileOnly 'com.github.Ssomar-Developement:SCore:4.23.10.8'
@@ -71,6 +71,9 @@ dependencies {
    //implementation files('libs/CustomItems.jar')
 }

+java {
+    disableAutoTargetJvm()
+}

 /**
 * Gradle is weird sometimes, we need to delete the plugin yml from the build folder to actually filter properly.
--- a/core/src/main/java/com/volmit/iris/Iris.java
+++ b/core/src/main/java/com/volmit/iris/Iris.java
@@ -32,14 +32,17 @@ import com.volmit.iris.core.nms.v1X.NMSBinding1X;
 import com.volmit.iris.core.pregenerator.LazyPregenerator;
 import com.volmit.iris.core.service.StudioSVC;
 import com.volmit.iris.core.tools.IrisToolbelt;
+import com.volmit.iris.core.tools.IrisWorldCreator;
 import com.volmit.iris.engine.EnginePanic;
 import com.volmit.iris.engine.object.IrisCompat;
+import com.volmit.iris.engine.object.IrisContextInjector;
 import com.volmit.iris.engine.object.IrisDimension;
 import com.volmit.iris.engine.object.IrisWorld;
 import com.volmit.iris.engine.platform.BukkitChunkGenerator;
 import com.volmit.iris.engine.platform.DummyChunkGenerator;
 import com.volmit.iris.core.safeguard.IrisSafeguard;
 import com.volmit.iris.core.safeguard.UtilsSFG;
+import com.volmit.iris.engine.platform.PlatformChunkGenerator;
 import com.volmit.iris.util.collection.KList;
 import com.volmit.iris.util.collection.KMap;
 import com.volmit.iris.util.exceptions.IrisException;
@@ -55,7 +58,6 @@ import com.volmit.iris.util.math.RNG;
 import com.volmit.iris.util.misc.getHardware;
 import com.volmit.iris.util.parallel.MultiBurst;
 import com.volmit.iris.util.plugin.IrisService;
-import com.volmit.iris.util.plugin.Metrics;
 import com.volmit.iris.util.plugin.VolmitPlugin;
 import com.volmit.iris.util.plugin.VolmitSender;
 import com.volmit.iris.util.reflect.ShadeFix;
@@ -63,13 +65,13 @@ import com.volmit.iris.util.scheduling.J;
 import com.volmit.iris.util.scheduling.Queue;
 import com.volmit.iris.util.scheduling.ShurikenQueue;
 import io.papermc.lib.PaperLib;
-import lombok.Getter;
 import net.kyori.adventure.platform.bukkit.BukkitAudiences;
 import net.kyori.adventure.text.serializer.ComponentSerializer;
-import org.bukkit.Bukkit;
-import org.bukkit.GameMode;
-import org.bukkit.Location;
-import org.bukkit.WorldCreator;
+import org.bstats.bukkit.Metrics;
+import org.bstats.charts.DrilldownPie;
+import org.bstats.charts.SimplePie;
+import org.bstats.charts.SingleLineChart;
+import org.bukkit.*;
 import org.bukkit.block.data.BlockData;
 import org.bukkit.command.Command;
 import org.bukkit.command.CommandSender;
@@ -77,34 +79,30 @@ import org.bukkit.configuration.ConfigurationSection;
 import org.bukkit.configuration.file.FileConfiguration;
 import org.bukkit.configuration.file.YamlConfiguration;
 import org.bukkit.entity.Player;
-import org.bukkit.event.Event;
-import org.bukkit.event.HandlerList;
-import org.bukkit.event.Listener;
+import org.bukkit.event.*;
 import org.bukkit.generator.BiomeProvider;
 import org.bukkit.generator.ChunkGenerator;
 import org.bukkit.plugin.IllegalPluginAccessException;
 import org.bukkit.plugin.Plugin;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
+import oshi.SystemInfo;

 import java.io.*;
 import java.lang.annotation.Annotation;
-import java.lang.management.ManagementFactory;
-import java.lang.management.OperatingSystemMXBean;
+import java.math.RoundingMode;
 import java.net.URL;
-import java.util.Date;
-import java.util.Map;
+import java.text.NumberFormat;
+import java.util.*;
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
+import java.util.stream.Collectors;

 import static com.volmit.iris.core.safeguard.IrisSafeguard.*;
 import static com.volmit.iris.core.safeguard.ServerBootSFG.passedserversoftware;
-import static com.volmit.iris.util.misc.getHardware.getCPUModel;

@SuppressWarnings("CanBeFinal")
 public class Iris extends VolmitPlugin implements Listener {
-    public static final String OVERWORLD_TAG = "3800";
-
    private static final Queue<Runnable> syncJobs = new ShurikenQueue<>();

    public static Iris instance;
@@ -461,9 +459,12 @@ public class Iris extends VolmitPlugin implements Listener {
        initialize("com.volmit.iris.core.service").forEach((i) -> services.put((Class<? extends IrisService>) i.getClass(), (IrisService) i));
        INMS.get();
        IO.delete(new File("iris"));
+        compat = IrisCompat.configured(getDataFile("compat.json"));
+        ServerConfigurator.configure();
+        new IrisContextInjector();
        IrisSafeguard.IrisSafeguardSystem();
        getSender().setTag(getTag());
-        compat = IrisCompat.configured(getDataFile("compat.json"));
+        IrisSafeguard.earlySplash();
        linkMultiverseCore = new MultiverseCoreLink();
        linkMythicMobs = new MythicMobsLink();
        configWatcher = new FileWatcher(getDataFile("settings.json"));
@@ -512,17 +513,16 @@ public class Iris extends VolmitPlugin implements Listener {
                    continue;
                }

-                Iris.info("2 World: %s | Generator: %s", s, generator);
-
-                if (Bukkit.getWorlds().stream().anyMatch(w -> w.getName().equals(s))) {
+                if (Bukkit.getWorld(s) != null)
                    continue;
-                }
+
+                Iris.info("Loading World: %s | Generator: %s", s, generator);

                Iris.info(C.LIGHT_PURPLE + "Preparing Spawn for " + s + "' using Iris:" + generator + "...");
-                new WorldCreator(s)
+                WorldCreator c = new WorldCreator(s)
                        .generator(getDefaultWorldGenerator(s, generator))
-                        .environment(IrisData.loadAnyDimension(generator).getEnvironment())
-                        .createWorld();
+                        .environment(IrisData.loadAnyDimension(generator).getEnvironment());
+                INMS.get().createWorld(c);
                Iris.info(C.LIGHT_PURPLE + "Loaded " + s + "!");
            }
        } catch (Throwable e) {
@@ -664,7 +664,50 @@ public class Iris extends VolmitPlugin implements Listener {

    private void bstats() {
        if (IrisSettings.get().getGeneral().isPluginMetrics()) {
-            J.s(() -> new Metrics(Iris.instance, 8757));
+            J.s(() -> {
+                var metrics = new Metrics(Iris.instance, 24220);
+                metrics.addCustomChart(new SingleLineChart("custom_dimensions", () -> Bukkit.getWorlds()
+                        .stream()
+                        .filter(IrisToolbelt::isIrisWorld)
+                        .mapToInt(w -> 1)
+                        .sum()));
+
+                metrics.addCustomChart(new DrilldownPie("used_packs", () -> Bukkit.getWorlds().stream()
+                        .map(IrisToolbelt::access)
+                        .filter(Objects::nonNull)
+                        .map(PlatformChunkGenerator::getEngine)
+                        .collect(Collectors.toMap(engine -> engine.getDimension().getLoadKey(), engine -> {
+                            var hash32 = engine.getHash32().getNow(null);
+                            if (hash32 == null) return Map.of();
+                            int version = engine.getDimension().getVersion();
+                            String checksum = Long.toHexString(hash32);
+
+                            return Map.of("v" + version + " (" + checksum + ")", 1);
+                        }, (a, b) -> {
+                            Map<String, Integer> merged = new HashMap<>(a);
+                            b.forEach((k, v) -> merged.merge(k, v, Integer::sum));
+                            return merged;
+                        }))));
+
+
+                var info = new SystemInfo().getHardware();
+                var cpu = info.getProcessor().getProcessorIdentifier();
+                var mem = info.getMemory();
+                metrics.addCustomChart(new SimplePie("cpu_model", cpu::getName));
+
+                var nf = NumberFormat.getInstance(Locale.ENGLISH);
+                nf.setMinimumFractionDigits(0);
+                nf.setMaximumFractionDigits(2);
+                nf.setRoundingMode(RoundingMode.HALF_UP);
+
+                metrics.addCustomChart(new DrilldownPie("memory", () -> {
+                    double total = mem.getTotal() * 1E-9;
+                    double alloc = Math.min(total, Runtime.getRuntime().maxMemory() * 1E-9);
+                    return Map.of(nf.format(alloc), Map.of(nf.format(total), 1));
+                }));
+
+                postShutdown.add(metrics::shutdown);
+            });
        }
    }

@@ -739,7 +782,7 @@ public class Iris extends VolmitPlugin implements Listener {
            service(StudioSVC.class).installIntoWorld(getSender(), dim.getLoadKey(), w.worldFolder());
        }

-        return new BukkitChunkGenerator(w, false, ff, dim.getLoadKey(), false);
+        return new BukkitChunkGenerator(w, false, ff, dim.getLoadKey());
    }

    public void splash() {
--- a/core/src/main/java/com/volmit/iris/core/IrisSettings.java
+++ b/core/src/main/java/com/volmit/iris/core/IrisSettings.java
@@ -25,7 +25,9 @@ import com.volmit.iris.util.json.JSONException;
 import com.volmit.iris.util.json.JSONObject;
 import com.volmit.iris.util.plugin.VolmitSender;
 import com.volmit.iris.util.scheduling.ChronoLatch;
+import lombok.AllArgsConstructor;
 import lombok.Data;
+import lombok.NoArgsConstructor;

 import java.io.File;
 import java.io.IOException;
@@ -42,6 +44,7 @@ public class IrisSettings {
    private IrisSettingsConcurrency concurrency = new IrisSettingsConcurrency();
    private IrisSettingsStudio studio = new IrisSettingsStudio();
    private IrisSettingsPerformance performance = new IrisSettingsPerformance();
+    private IrisSettingsUpdater updater = new IrisSettingsUpdater();

    public static int getThreadCount(int c) {
        return switch (c) {
@@ -144,6 +147,30 @@ public class IrisSettings {
        public int scriptLoaderCacheSize = 512;
    }

+    @Data
+    public static class IrisSettingsUpdater {
+        public double threadMultiplier = 2;
+        public double chunkLoadSensitivity = 0.7;
+        public MsRange emptyMsRange = new MsRange(80, 100);
+        public MsRange defaultMsRange = new MsRange(20, 40);
+
+        public double getThreadMultiplier() {
+            return Math.min(Math.abs(threadMultiplier), 0.1);
+        }
+
+        public double getChunkLoadSensitivity() {
+            return Math.min(chunkLoadSensitivity, 0.9);
+        }
+    }
+
+    @Data
+    @NoArgsConstructor
+    @AllArgsConstructor
+    public static class MsRange {
+        public int min = 20;
+        public int max = 40;
+    }
+
    @Data
    public static class IrisSettingsGeneral {
        public boolean DoomsdayAnnihilationSelfDestructMode = false;
@@ -154,6 +181,7 @@ public class IrisSettings {
        public boolean splashLogoStartup = true;
        public boolean useConsoleCustomColors = true;
        public boolean useCustomColorsIngame = true;
+        public boolean adjustVanillaHeight = false;
        public String forceMainWorld = "";
        public int spinh = -20;
        public int spins = 7;
--- a/core/src/main/java/com/volmit/iris/core/ServerConfigurator.java
+++ b/core/src/main/java/com/volmit/iris/core/ServerConfigurator.java
@@ -28,20 +28,28 @@ import com.volmit.iris.engine.object.IrisBiomeCustom;
 import com.volmit.iris.engine.object.IrisDimension;
 import com.volmit.iris.engine.object.IrisRange;
 import com.volmit.iris.util.collection.KList;
+import com.volmit.iris.util.collection.KMap;
 import com.volmit.iris.util.collection.KSet;
 import com.volmit.iris.util.format.C;
+import com.volmit.iris.util.misc.ServerProperties;
 import com.volmit.iris.util.plugin.VolmitSender;
 import com.volmit.iris.util.scheduling.J;
+import lombok.Data;
+import lombok.NonNull;
 import org.bukkit.Bukkit;
 import org.bukkit.configuration.InvalidConfigurationException;
 import org.bukkit.configuration.file.FileConfiguration;
 import org.bukkit.configuration.file.YamlConfiguration;
 import org.bukkit.entity.Player;
+import org.jetbrains.annotations.Nullable;

 import java.io.File;
 import java.io.IOException;
-import java.util.List;
+import java.util.Arrays;
 import java.util.concurrent.TimeUnit;
+import java.util.stream.Stream;
+
+import static com.volmit.iris.core.nms.datapack.IDataFixer.Dimension.*;

 public class ServerConfigurator {
    public static void configure() {
@@ -84,12 +92,13 @@ public class ServerConfigurator {
        }
    }

-    private static List<File> getDatapacksFolder() {
+    private static KList<File> getDatapacksFolder() {
        if (!IrisSettings.get().getGeneral().forceMainWorld.isEmpty()) {
            return new KList<File>().qadd(new File(Bukkit.getWorldContainer(), IrisSettings.get().getGeneral().forceMainWorld + "/datapacks"));
        }
        KList<File> worlds = new KList<>();
        Bukkit.getServer().getWorlds().forEach(w -> worlds.add(new File(w.getWorldFolder(), "datapacks")));
+        if (worlds.isEmpty()) worlds.add(new File(Bukkit.getWorldContainer(), ServerProperties.LEVEL_NAME + "/datapacks"));
        return worlds;
    }

@@ -99,57 +108,17 @@ public class ServerConfigurator {

    public static void installDataPacks(IDataFixer fixer, boolean fullInstall) {
        Iris.info("Checking Data Packs...");
-        File packs = new File("plugins/Iris/packs");
-        double ultimateMaxHeight = 0;
-        double ultimateMinHeight = 0;
-        if (packs.exists() && packs.isDirectory()) {
-            for (File pack : packs.listFiles()) {
-                IrisData data = IrisData.get(pack);
-                if (pack.isDirectory()) {
-                    File dimensionsFolder = new File(pack, "dimensions");
-                    if (dimensionsFolder.exists() && dimensionsFolder.isDirectory()) {
-                        for (File file : dimensionsFolder.listFiles()) {
-                            if (file.isFile() && file.getName().endsWith(".json")) {
-                                IrisDimension dim = data.getDimensionLoader().load(file.getName().split("\\Q.\\E")[0]);
-                                if (ultimateMaxHeight < dim.getDimensionHeight().getMax()) {
-                                    ultimateMaxHeight = dim.getDimensionHeight().getMax();
-                                }
-                                if (ultimateMinHeight > dim.getDimensionHeight().getMin()) {
-                                    ultimateMinHeight = dim.getDimensionHeight().getMin();
-                                }
-                            }
-                        }
-                    }
-                }
-            }
-        }
+        DimensionHeight height = new DimensionHeight(fixer);
+        KList<File> folders = getDatapacksFolder();
+        KMap<String, KSet<String>> biomes = new KMap<>();

-        if (packs.exists()) {
-            for (File i : packs.listFiles()) {
-                if (i.isDirectory()) {
-                    Iris.verbose("Checking Pack: " + i.getPath());
-                    IrisData data = IrisData.get(i);
-                    File dims = new File(i, "dimensions");
-
-                    if (dims.exists()) {
-                        for (File j : dims.listFiles()) {
-                            if (j.getName().endsWith(".json")) {
-                                IrisDimension dim = data.getDimensionLoader().load(j.getName().split("\\Q.\\E")[0]);
-
-                                if (dim == null) {
-                                    continue;
-                                }
-
-                                Iris.verbose("  Checking Dimension " + dim.getLoadFile().getPath());
-                                for (File dpack : getDatapacksFolder()) {
-                                    dim.installDataPack(fixer, () -> data, dpack, ultimateMaxHeight, ultimateMinHeight);
-                                }
-                            }
-                        }
-                    }
-                }
-            }
-        }
+        allPacks().flatMap(height::merge)
+                .parallel()
+                .forEach(dim -> {
+                    Iris.verbose("  Checking Dimension " + dim.getLoadFile().getPath());
+                    dim.installBiomes(fixer, dim::getLoader, folders, biomes.computeIfAbsent(dim.getLoadKey(), k -> new KSet<>()));
+                });
+        IrisDimension.writeShared(folders, height);

        Iris.info("Data Packs Setup!");

@@ -158,57 +127,40 @@ public class ServerConfigurator {
    }

    private static void verifyDataPacksPost(boolean allowRestarting) {
-        File packs = new File("plugins/Iris/packs");
+        boolean bad = allPacks()
+                .map(data -> {
+                    Iris.verbose("Checking Pack: " + data.getDataFolder().getPath());
+                    var loader = data.getDimensionLoader();
+                    return loader.loadAll(loader.getPossibleKeys())
+                            .stream()
+                            .map(ServerConfigurator::verifyDataPackInstalled)
+                            .toList()
+                            .contains(false);
+                })
+                .toList()
+                .contains(true);
+        if (!bad) return;

-        boolean bad = false;
-        if (packs.exists()) {
-            for (File i : packs.listFiles()) {
-                if (i.isDirectory()) {
-                    Iris.verbose("Checking Pack: " + i.getPath());
-                    IrisData data = IrisData.get(i);
-                    File dims = new File(i, "dimensions");

-                    if (dims.exists()) {
-                        for (File j : dims.listFiles()) {
-                            if (j.getName().endsWith(".json")) {
-                                IrisDimension dim = data.getDimensionLoader().load(j.getName().split("\\Q.\\E")[0]);
+        if (allowRestarting) {
+            restart();
+        } else if (INMS.get().supportsDataPacks()) {
+            Iris.error("============================================================================");
+            Iris.error(C.ITALIC + "You need to restart your server to properly generate custom biomes.");
+            Iris.error(C.ITALIC + "By continuing, Iris will use backup biomes in place of the custom biomes.");
+            Iris.error("----------------------------------------------------------------------------");
+            Iris.error(C.UNDERLINE + "IT IS HIGHLY RECOMMENDED YOU RESTART THE SERVER BEFORE GENERATING!");
+            Iris.error("============================================================================");

-                                if (dim == null) {
-                                    Iris.error("Failed to load " + j.getPath() + " ");
-                                    continue;
-                                }
-
-                                if (!verifyDataPackInstalled(dim)) {
-                                    bad = true;
-                                }
-                            }
-                        }
-                    }
+            for (Player i : Bukkit.getOnlinePlayers()) {
+                if (i.isOp() || i.hasPermission("iris.all")) {
+                    VolmitSender sender = new VolmitSender(i, Iris.instance.getTag("WARNING"));
+                    sender.sendMessage("There are some Iris Packs that have custom biomes in them");
+                    sender.sendMessage("You need to restart your server to use these packs.");
                }
            }
-        }

-        if (bad) {
-            if (allowRestarting) {
-                restart();
-            } else if (INMS.get().supportsDataPacks()) {
-                Iris.error("============================================================================");
-                Iris.error(C.ITALIC + "You need to restart your server to properly generate custom biomes.");
-                Iris.error(C.ITALIC + "By continuing, Iris will use backup biomes in place of the custom biomes.");
-                Iris.error("----------------------------------------------------------------------------");
-                Iris.error(C.UNDERLINE + "IT IS HIGHLY RECOMMENDED YOU RESTART THE SERVER BEFORE GENERATING!");
-                Iris.error("============================================================================");
-
-                for (Player i : Bukkit.getOnlinePlayers()) {
-                    if (i.isOp() || i.hasPermission("iris.all")) {
-                        VolmitSender sender = new VolmitSender(i, Iris.instance.getTag("WARNING"));
-                        sender.sendMessage("There are some Iris Packs that have custom biomes in them");
-                        sender.sendMessage("You need to restart your server to use these packs.");
-                    }
-                }
-
-                J.sleep(3000);
-            }
+            J.sleep(3000);
        }
    }

@@ -218,7 +170,7 @@ public class ServerConfigurator {
            Iris.warn("This will only happen when your pack changes (updates/first time setup)");
            Iris.warn("(You can disable this auto restart in iris settings)");
            J.s(() -> {
-                Iris.warn("Looks like the restart command diddn't work. Stopping the server instead!");
+                Iris.warn("Looks like the restart command didn't work. Stopping the server instead!");
                Bukkit.shutdown();
            }, 100);
            Bukkit.dispatchCommand(Bukkit.getConsoleSender(), "restart");
@@ -226,22 +178,24 @@ public class ServerConfigurator {
    }

    public static boolean verifyDataPackInstalled(IrisDimension dimension) {
-        IrisData idm = IrisData.get(Iris.instance.getDataFolder("packs", dimension.getLoadKey()));
        KSet<String> keys = new KSet<>();
        boolean warn = false;

-        for (IrisBiome i : dimension.getAllBiomes(() -> idm)) {
+        for (IrisBiome i : dimension.getAllBiomes(dimension::getLoader)) {
            if (i.isCustom()) {
                for (IrisBiomeCustom j : i.getCustomDerivitives()) {
                    keys.add(dimension.getLoadKey() + ":" + j.getId());
                }
            }
        }
+        String key = getWorld(dimension.getLoader());
+        if (key == null) key = dimension.getLoadKey();
+        else key += "/" + dimension.getLoadKey();

        if (!INMS.get().supportsDataPacks()) {
            if (!keys.isEmpty()) {
                Iris.warn("===================================================================================");
-                Iris.warn("Pack " + dimension.getLoadKey() + " has " + keys.size() + " custom biome(s). ");
+                Iris.warn("Pack " + key + " has " + keys.size() + " custom biome(s). ");
                Iris.warn("Your server version does not yet support datapacks for iris.");
                Iris.warn("The world will generate these biomes as backup biomes.");
                Iris.warn("====================================================================================");
@@ -260,10 +214,74 @@ public class ServerConfigurator {
        }

        if (warn) {
-            Iris.error("The Pack " + dimension.getLoadKey() + " is INCAPABLE of generating custom biomes");
+            Iris.error("The Pack " + key + " is INCAPABLE of generating custom biomes");
            Iris.error("If not done automatically, restart your server before generating with this pack!");
        }

        return !warn;
    }
+
+    public static Stream<IrisData> allPacks() {
+        return Stream.concat(listFiles(new File("plugins/Iris/packs")),
+                        listFiles(Bukkit.getWorldContainer()).map(w -> new File(w, "iris/pack")))
+                .filter(File::isDirectory)
+                .map(IrisData::get);
+    }
+
+    @Nullable
+    public static String getWorld(@NonNull IrisData data) {
+        String worldContainer = Bukkit.getWorldContainer().getAbsolutePath();
+        if (!worldContainer.endsWith(File.separator)) worldContainer += File.separator;
+        
+        String path = data.getDataFolder().getAbsolutePath();
+        if (!path.startsWith(worldContainer)) return null;
+        int l = path.endsWith(File.separator) ? 11 : 10;
+        return path.substring(worldContainer.length(), path.length() - l);
+    }
+
+    private static Stream<File> listFiles(File parent) {
+        var files = parent.listFiles();
+        return files == null ? Stream.empty() : Arrays.stream(files);
+    }
+
+    @Data
+    public static class DimensionHeight {
+        private final IDataFixer fixer;
+        private IrisRange overworld = new IrisRange();
+        private IrisRange nether = new IrisRange();
+        private IrisRange end = new IrisRange();
+        private int logicalOverworld = 0;
+        private int logicalNether = 0;
+        private int logicalEnd = 0;
+
+        public Stream<IrisDimension> merge(IrisData data) {
+            Iris.verbose("Checking Pack: " + data.getDataFolder().getPath());
+            var loader = data.getDimensionLoader();
+            return loader.loadAll(loader.getPossibleKeys())
+                    .stream()
+                    .peek(this::merge);
+        }
+
+        public void merge(IrisDimension dimension) {
+            overworld.merge(dimension.getDimensionHeight());
+            nether.merge(dimension.getDimensionHeight());
+            end.merge(dimension.getDimensionHeight());
+
+            logicalOverworld = Math.max(logicalOverworld, dimension.getLogicalHeight());
+            logicalNether = Math.max(logicalNether, dimension.getLogicalHeightNether());
+            logicalEnd = Math.max(logicalEnd, dimension.getLogicalHeightEnd());
+        }
+
+        public String overworldType() {
+            return fixer.createDimension(OVERRWORLD, overworld, logicalOverworld).toString(4);
+        }
+
+        public String netherType() {
+            return fixer.createDimension(NETHER, nether, logicalNether).toString(4);
+        }
+
+        public String endType() {
+            return fixer.createDimension(THE_END, end, logicalEnd).toString(4);
+        }
+    }
 }
--- a/core/src/main/java/com/volmit/iris/core/commands/CommandDeveloper.java
+++ b/core/src/main/java/com/volmit/iris/core/commands/CommandDeveloper.java
@@ -21,36 +21,25 @@ package com.volmit.iris.core.commands;
 import com.volmit.iris.Iris;
 import com.volmit.iris.core.ServerConfigurator;
 import com.volmit.iris.core.loader.IrisData;
-import com.volmit.iris.core.nms.INMS;
 import com.volmit.iris.core.nms.datapack.DataVersion;
-import com.volmit.iris.core.nms.v1X.NMSBinding1X;
-import com.volmit.iris.core.pregenerator.ChunkUpdater;
-import com.volmit.iris.core.service.IrisEngineSVC;
-import com.volmit.iris.core.tools.IrisConverter;
 import com.volmit.iris.core.tools.IrisPackBenchmarking;
 import com.volmit.iris.core.tools.IrisToolbelt;
 import com.volmit.iris.engine.framework.Engine;
-import com.volmit.iris.engine.mantle.components.MantleObjectComponent;
-import com.volmit.iris.engine.object.IrisBiome;
-import com.volmit.iris.engine.object.IrisCave;
 import com.volmit.iris.engine.object.IrisDimension;
-import com.volmit.iris.engine.object.IrisEntity;
-import com.volmit.iris.util.data.Dimension;
+import com.volmit.iris.engine.service.EngineStatusSVC;
 import com.volmit.iris.util.decree.DecreeExecutor;
 import com.volmit.iris.util.decree.DecreeOrigin;
 import com.volmit.iris.util.decree.annotations.Decree;
 import com.volmit.iris.util.decree.annotations.Param;
 import com.volmit.iris.util.format.C;
 import com.volmit.iris.util.format.Form;
+import com.volmit.iris.util.io.CountingDataInputStream;
 import com.volmit.iris.util.io.IO;
 import com.volmit.iris.util.mantle.TectonicPlate;
-import com.volmit.iris.util.math.Spiraler;
-import com.volmit.iris.util.math.Vector3d;
 import com.volmit.iris.util.nbt.mca.MCAFile;
 import com.volmit.iris.util.nbt.mca.MCAUtil;
 import com.volmit.iris.util.parallel.MultiBurst;
 import com.volmit.iris.util.plugin.VolmitSender;
-import io.lumine.mythic.bukkit.adapters.BukkitEntity;
 import net.jpountz.lz4.LZ4BlockInputStream;
 import net.jpountz.lz4.LZ4BlockOutputStream;
 import net.jpountz.lz4.LZ4FrameInputStream;
@@ -58,10 +47,7 @@ import net.jpountz.lz4.LZ4FrameOutputStream;
 import org.apache.commons.lang.RandomStringUtils;
 import org.bukkit.Bukkit;
 import org.bukkit.Chunk;
-import org.bukkit.Location;
 import org.bukkit.World;
-import org.bukkit.entity.Creeper;
-import org.bukkit.entity.EntityType;

 import java.io.*;
 import java.net.InetAddress;
@@ -80,53 +66,20 @@ public class CommandDeveloper implements DecreeExecutor {

    @Decree(description = "Get Loaded TectonicPlates Count", origin = DecreeOrigin.BOTH, sync = true)
    public void EngineStatus() {
-        List<World> IrisWorlds = new ArrayList<>();
-        int TotalLoadedChunks = 0;
-        int TotalQueuedTectonicPlates = 0;
-        int TotalNotQueuedTectonicPlates = 0;
-        int TotalTectonicPlates = 0;
+        var status = EngineStatusSVC.getStatus();

-        long lowestUnloadDuration = 0;
-        long highestUnloadDuration = 0;
-
-        for (World world : Bukkit.getWorlds()) {
-            try {
-                if (IrisToolbelt.access(world).getEngine() != null) {
-                    IrisWorlds.add(world);
-                }
-            } catch (Exception e) {
-                // no
-            }
-        }
-
-        for (World world : IrisWorlds) {
-            Engine engine = IrisToolbelt.access(world).getEngine();
-            TotalQueuedTectonicPlates += (int) engine.getMantle().getToUnload();
-            TotalNotQueuedTectonicPlates += (int) engine.getMantle().getNotQueuedLoadedRegions();
-            TotalTectonicPlates += engine.getMantle().getLoadedRegionCount();
-            if (highestUnloadDuration <= (long) engine.getMantle().getTectonicDuration()) {
-                highestUnloadDuration = (long) engine.getMantle().getTectonicDuration();
-            }
-            if (lowestUnloadDuration >= (long) engine.getMantle().getTectonicDuration()) {
-                lowestUnloadDuration = (long) engine.getMantle().getTectonicDuration();
-            }
-            for (Chunk chunk : world.getLoadedChunks()) {
-                if (chunk.isLoaded()) {
-                    TotalLoadedChunks++;
-                }
-            }
-        }
-        Iris.info("-------------------------");
-        Iris.info(C.DARK_PURPLE + "Engine Status");
-        Iris.info(C.DARK_PURPLE + "Total Loaded Chunks: " + C.LIGHT_PURPLE + TotalLoadedChunks);
-        Iris.info(C.DARK_PURPLE + "Tectonic Limit: " + C.LIGHT_PURPLE + IrisEngineSVC.getTectonicLimit());
-        Iris.info(C.DARK_PURPLE + "Tectonic Total Plates: " + C.LIGHT_PURPLE + TotalTectonicPlates);
-        Iris.info(C.DARK_PURPLE + "Tectonic Active Plates: " + C.LIGHT_PURPLE + TotalNotQueuedTectonicPlates);
-        Iris.info(C.DARK_PURPLE + "Tectonic ToUnload: " + C.LIGHT_PURPLE + TotalQueuedTectonicPlates);
-        Iris.info(C.DARK_PURPLE + "Lowest Tectonic Unload Duration: " + C.LIGHT_PURPLE + Form.duration(lowestUnloadDuration));
-        Iris.info(C.DARK_PURPLE + "Highest Tectonic Unload Duration: " + C.LIGHT_PURPLE + Form.duration(highestUnloadDuration));
-        Iris.info(C.DARK_PURPLE + "Cache Size: " + C.LIGHT_PURPLE + Form.f(IrisData.cacheSize()));
-        Iris.info("-------------------------");
+        sender().sendMessage("-------------------------");
+        sender().sendMessage(C.DARK_PURPLE + "Engine Status");
+        sender().sendMessage(C.DARK_PURPLE + "Total Engines: " + C.LIGHT_PURPLE + status.engineCount());
+        sender().sendMessage(C.DARK_PURPLE + "Total Loaded Chunks: " + C.LIGHT_PURPLE + status.loadedChunks());
+        sender().sendMessage(C.DARK_PURPLE + "Tectonic Limit: " + C.LIGHT_PURPLE + status.tectonicLimit());
+        sender().sendMessage(C.DARK_PURPLE + "Tectonic Total Plates: " + C.LIGHT_PURPLE + status.tectonicPlates());
+        sender().sendMessage(C.DARK_PURPLE + "Tectonic Active Plates: " + C.LIGHT_PURPLE + status.activeTectonicPlates());
+        sender().sendMessage(C.DARK_PURPLE + "Tectonic ToUnload: " + C.LIGHT_PURPLE + status.queuedTectonicPlates());
+        sender().sendMessage(C.DARK_PURPLE + "Lowest Tectonic Unload Duration: " + C.LIGHT_PURPLE + Form.duration(status.minTectonicUnloadDuration()));
+        sender().sendMessage(C.DARK_PURPLE + "Highest Tectonic Unload Duration: " + C.LIGHT_PURPLE + Form.duration(status.maxTectonicUnloadDuration()));
+        sender().sendMessage(C.DARK_PURPLE + "Cache Size: " + C.LIGHT_PURPLE + Form.f(IrisData.cacheSize()));
+        sender().sendMessage("-------------------------");
    }

    @Decree(description = "Test")
@@ -152,12 +105,14 @@ public class CommandDeveloper implements DecreeExecutor {

    @Decree(description = "Test")
    public void packBenchmark(
-            @Param(description = "The pack to bench", aliases = {"pack"})
-            IrisDimension dimension
+            @Param(description = "The pack to bench", aliases = {"pack"}, defaultValue = "overworld")
+            IrisDimension dimension,
+            @Param(description = "Radius in regions", defaultValue = "2048")
+            int radius,
+            @Param(description = "Open GUI while benchmarking", defaultValue = "false")
+            boolean gui
    ) {
-        Iris.info("test");
-        IrisPackBenchmarking benchmark = new IrisPackBenchmarking(dimension, 1);
-
+        new IrisPackBenchmarking(dimension, radius, gui);
    }

    @Decree(description = "Upgrade to another Minecraft version")
@@ -262,7 +217,7 @@ public class CommandDeveloper implements DecreeExecutor {
            VolmitSender sender = sender();
            service.submit(() -> {
                try {
-                    DataInputStream raw = new DataInputStream(new FileInputStream(file));
+                    CountingDataInputStream raw = CountingDataInputStream.wrap(new FileInputStream(file));
                    TectonicPlate plate = new TectonicPlate(height, raw);
                    raw.close();

@@ -281,7 +236,7 @@ public class CommandDeveloper implements DecreeExecutor {
                        if (size == 0)
                            size = tmp.length();
                        start = System.currentTimeMillis();
-                        DataInputStream din = createInput(tmp, algorithm);
+                        CountingDataInputStream din = createInput(tmp, algorithm);
                        new TectonicPlate(height, din);
                        din.close();
                        d2 += System.currentTimeMillis() - start;
@@ -301,10 +256,10 @@ public class CommandDeveloper implements DecreeExecutor {
        }
    }

-    private DataInputStream createInput(File file, String algorithm) throws Throwable {
+    private CountingDataInputStream createInput(File file, String algorithm) throws Throwable {
        FileInputStream in = new FileInputStream(file);

-        return new DataInputStream(switch (algorithm) {
+        return CountingDataInputStream.wrap(switch (algorithm) {
            case "gzip" -> new GZIPInputStream(in);
            case "lz4f" -> new LZ4FrameInputStream(in);
            case "lz4b" -> new LZ4BlockInputStream(in);
--- a/core/src/main/java/com/volmit/iris/core/commands/CommandIris.java
+++ b/core/src/main/java/com/volmit/iris/core/commands/CommandIris.java
@@ -20,9 +20,8 @@ package com.volmit.iris.core.commands;

 import com.volmit.iris.Iris;
 import com.volmit.iris.core.IrisSettings;
-import com.volmit.iris.core.ServerConfigurator;
 import com.volmit.iris.core.loader.IrisData;
-import com.volmit.iris.core.nms.datapack.DataVersion;
+import com.volmit.iris.core.nms.INMS;
 import com.volmit.iris.core.pregenerator.ChunkUpdater;
 import com.volmit.iris.core.service.StudioSVC;
 import com.volmit.iris.core.tools.IrisBenchmarking;
@@ -43,9 +42,7 @@ import com.volmit.iris.util.format.C;
 import com.volmit.iris.util.format.Form;
 import com.volmit.iris.util.plugin.VolmitSender;
 import com.volmit.iris.util.scheduling.J;
-import lombok.Getter;
 import org.bukkit.Bukkit;
-import org.bukkit.Difficulty;
 import org.bukkit.World;
 import org.bukkit.WorldCreator;
 import org.bukkit.configuration.ConfigurationSection;
@@ -55,10 +52,8 @@ import org.bukkit.entity.Player;
 import org.bukkit.generator.ChunkGenerator;
 import org.bukkit.scheduler.BukkitRunnable;

-import java.io.Console;
 import java.io.File;
 import java.io.IOException;
-import java.util.ArrayList;
 import java.util.Collections;
 import java.util.List;

@@ -94,9 +89,7 @@ public class CommandIris implements DecreeExecutor {
            @Param(aliases = "dimension", description = "The dimension type to create the world with", defaultValue = "default")
            IrisDimension type,
            @Param(description = "The seed to generate the world with", defaultValue = "1337")
-            long seed,
-            @Param(description = "If it should convert the dimension to match the vanilla height system.", defaultValue = "false")
-            boolean vanillaheight
+            long seed
    ) {
        if(sender() instanceof Player) {
            if (incompatibilities.get("Multiverse-Core")) {
@@ -140,7 +133,6 @@ public class CommandIris implements DecreeExecutor {
                    .seed(seed)
                    .sender(sender())
                    .studio(false)
-                    .smartVanillaHeight(vanillaheight)
                    .create();
        } catch (Throwable e) {
            sender().sendMessage(C.RED + "Exception raised during creation. See the console for more details.");
@@ -274,6 +266,17 @@ public class CommandIris implements DecreeExecutor {
            return;
        }
        sender().sendMessage(C.GREEN + "Removing world: " + world.getName());
+
+        if (!IrisToolbelt.evacuate(world)) {
+            sender().sendMessage(C.RED + "Failed to evacuate world: " + world.getName());
+            return;
+        }
+
+        if (!Bukkit.unloadWorld(world, false)) {
+            sender().sendMessage(C.RED + "Failed to unload world: " + world.getName());
+            return;
+        }
+
        try {
            if (IrisToolbelt.removeWorld(world)) {
                sender().sendMessage(C.GREEN + "Successfully removed " + world.getName() + " from bukkit.yml");
@@ -286,27 +289,32 @@ public class CommandIris implements DecreeExecutor {
        }
        IrisToolbelt.evacuate(world, "Deleting world");
        deletingWorld = true;
-        Bukkit.unloadWorld(world, false);
-        int retries = 12;
-        if (delete) {
+        if (!delete) {
+            deletingWorld = false;
+            return;
+        }
+        VolmitSender sender = sender();
+        J.a(() -> {
+            int retries = 12;
+
            if (deleteDirectory(world.getWorldFolder())) {
-                sender().sendMessage(C.GREEN + "Successfully removed world folder");
+                sender.sendMessage(C.GREEN + "Successfully removed world folder");
            } else {
                while(true){
                    if (deleteDirectory(world.getWorldFolder())){
-                        sender().sendMessage(C.GREEN + "Successfully removed world folder");
+                        sender.sendMessage(C.GREEN + "Successfully removed world folder");
                        break;
                    }
                    retries--;
                    if (retries == 0){
-                        sender().sendMessage(C.RED + "Failed to remove world folder");
+                        sender.sendMessage(C.RED + "Failed to remove world folder");
                        break;
                    }
                    J.sleep(3000);
                }
            }
-        }
-        deletingWorld = false;
+            deletingWorld = false;
+        });
    }

    public static boolean deleteDirectory(File dir) {
@@ -405,7 +413,7 @@ public class CommandIris implements DecreeExecutor {
    ) {
        sender().sendMessage(C.GREEN + "Downloading pack: " + pack + "/" + branch + (trim ? " trimmed" : "") + (overwrite ? " overwriting" : ""));
        if (pack.equals("overworld")) {
-            String url = "https://github.com/IrisDimensions/overworld/releases/download/" + Iris.OVERWORLD_TAG + "/overworld.zip";
+            String url = "https://github.com/IrisDimensions/overworld/releases/download/" + INMS.OVERWORLD_TAG + "/overworld.zip";
            Iris.service(StudioSVC.class).downloadRelease(sender(), url, trim, overwrite);
        } else {
            Iris.service(StudioSVC.class).downloadSearch(sender(), "IrisDimensions/" + pack + "/" + branch, trim, overwrite);
@@ -591,10 +599,10 @@ public class CommandIris implements DecreeExecutor {
                    continue;
                }
                Iris.info(C.LIGHT_PURPLE + "Preparing Spawn for " + s + "' using Iris:" + generator + "...");
-                new WorldCreator(s)
+                WorldCreator c = new WorldCreator(s)
                        .generator(getDefaultWorldGenerator(s, generator))
-                        .environment(IrisData.loadAnyDimension(generator).getEnvironment())
-                        .createWorld();
+                        .environment(IrisData.loadAnyDimension(generator).getEnvironment());
+                INMS.get().createWorld(c);
                Iris.info(C.LIGHT_PURPLE + "Loaded " + s + "!");
            }
        } catch (Throwable e) {
@@ -649,6 +657,6 @@ public class CommandIris implements DecreeExecutor {
            ff.mkdirs();
            service(StudioSVC.class).installIntoWorld(sender, dim.getLoadKey(), ff.getParentFile());
        }
-        return new BukkitChunkGenerator(w, false, ff, dim.getLoadKey(), false);
+        return new BukkitChunkGenerator(w, false, ff, dim.getLoadKey());
    }
 }
--- a/core/src/main/java/com/volmit/iris/core/commands/CommandJigsaw.java
+++ b/core/src/main/java/com/volmit/iris/core/commands/CommandJigsaw.java
@@ -60,7 +60,7 @@ public class CommandJigsaw implements DecreeExecutor {
        try {
            var world = world();
            WorldObjectPlacer placer = new WorldObjectPlacer(world);
-            PlannedStructure ps = new PlannedStructure(structure, new IrisPosition(player().getLocation().add(0, world.getMinHeight(), 0)), new RNG());
+            PlannedStructure ps = new PlannedStructure(structure, new IrisPosition(player().getLocation().add(0, world.getMinHeight(), 0)), new RNG(), true);
            VolmitSender sender = sender();
            sender.sendMessage(C.GREEN + "Generated " + ps.getPieces().size() + " pieces in " + Form.duration(p.getMilliseconds(), 2));
            ps.place(placer, failed -> sender.sendMessage(failed ? C.GREEN + "Placed the structure!" : C.RED + "Failed to place the structure!"));
--- a/core/src/main/java/com/volmit/iris/core/commands/CommandObject.java
+++ b/core/src/main/java/com/volmit/iris/core/commands/CommandObject.java
@@ -28,6 +28,8 @@ import com.volmit.iris.core.tools.IrisConverter;
 import com.volmit.iris.engine.framework.Engine;
 import com.volmit.iris.engine.object.*;
 import com.volmit.iris.util.data.Cuboid;
+import com.volmit.iris.util.data.IrisCustomData;
+import com.volmit.iris.util.data.registry.Materials;
 import com.volmit.iris.util.decree.DecreeExecutor;
 import com.volmit.iris.util.decree.DecreeOrigin;
 import com.volmit.iris.util.decree.annotations.Decree;
@@ -36,12 +38,9 @@ import com.volmit.iris.util.decree.specialhandlers.ObjectHandler;
 import com.volmit.iris.util.format.C;
 import com.volmit.iris.util.math.Direction;
 import com.volmit.iris.util.math.RNG;
-import com.volmit.iris.util.misc.E;
 import com.volmit.iris.util.scheduling.Queue;
 import org.bukkit.*;
 import org.bukkit.block.Block;
-import org.bukkit.block.BlockState;
-import org.bukkit.block.TileState;
 import org.bukkit.block.data.BlockData;
 import org.bukkit.inventory.ItemStack;
 import org.bukkit.util.Vector;
@@ -54,7 +53,7 @@ import java.util.*;
@Decree(name = "object", aliases = "o", origin = DecreeOrigin.PLAYER, studio = true, description = "Iris object manipulation")
 public class CommandObject implements DecreeExecutor {

-    private static final Set<Material> skipBlocks = Set.of(E.getOrDefault(Material.class, "GRASS", "SHORT_GRASS"), Material.SNOW, Material.VINE, Material.TORCH, Material.DEAD_BUSH,
+    private static final Set<Material> skipBlocks = Set.of(Materials.GRASS, Material.SNOW, Material.VINE, Material.TORCH, Material.DEAD_BUSH,
            Material.POPPY, Material.DANDELION);

    public static IObjectPlacer createPlacer(World world, Map<Block, BlockData> futureBlockChanges) {
@@ -79,7 +78,10 @@ public class CommandObject implements DecreeExecutor {

                futureBlockChanges.put(block, block.getBlockData());

-                block.setBlockData(d);
+                if (d instanceof IrisCustomData data) {
+                    block.setBlockData(data.getBase());
+                    Iris.warn("Tried to place custom block at " + x + ", " + y + ", " + z + " which is not supported!");
+                } else block.setBlockData(d);
            }

            @Override
@@ -376,9 +378,11 @@ public class CommandObject implements DecreeExecutor {
            @Param(description = "The file to store it in, can use / for subfolders")
            String name,
            @Param(description = "Overwrite existing object files", defaultValue = "false", aliases = "force")
-            boolean overwrite
+            boolean overwrite,
+            @Param(description = "Use legacy TileState serialization if possible", defaultValue = "true")
+            boolean legacy
    ) {
-        IrisObject o = WandSVC.createSchematic(player());
+        IrisObject o = WandSVC.createSchematic(player(), legacy);

        if (o == null) {
            sender().sendMessage(C.YELLOW + "You need to hold your wand!");
--- a/core/src/main/java/com/volmit/iris/core/commands/CommandPregen.java
+++ b/core/src/main/java/com/volmit/iris/core/commands/CommandPregen.java
@@ -19,9 +19,7 @@
 package com.volmit.iris.core.commands;

 import com.volmit.iris.Iris;
-import com.volmit.iris.core.IrisSettings;
 import com.volmit.iris.core.gui.PregeneratorJob;
-import com.volmit.iris.core.pregenerator.LazyPregenerator;
 import com.volmit.iris.core.pregenerator.PregenTask;
 import com.volmit.iris.core.tools.IrisToolbelt;
 import com.volmit.iris.util.decree.DecreeExecutor;
@@ -29,12 +27,9 @@ import com.volmit.iris.util.decree.annotations.Decree;
 import com.volmit.iris.util.decree.annotations.Param;
 import com.volmit.iris.util.format.C;
 import com.volmit.iris.util.math.Position2;
-import org.bukkit.Bukkit;
 import org.bukkit.World;
 import org.bukkit.util.Vector;

-import java.io.File;
-
@Decree(name = "pregen", aliases = "pregenerate", description = "Pregenerate your Iris worlds!")
 public class CommandPregen implements DecreeExecutor {
    @Decree(description = "Pregenerate a world")
@@ -52,13 +47,12 @@ public class CommandPregen implements DecreeExecutor {
                sender().sendMessage(C.RED + "Please make sure the world is loaded & the engine is initialized. Generate a new chunk, for example.");
            }
            radius = Math.max(radius, 1024);
-            int w = (radius >> 9 + 1) * 2;
            IrisToolbelt.pregenerate(PregenTask
                    .builder()
-                    .center(new Position2(center.getBlockX() >> 9, center.getBlockZ() >> 9))
+                    .center(new Position2(center.getBlockX(), center.getBlockZ()))
                    .gui(true)
-                    .width(w)
-                    .height(w)
+                    .radiusX(radius)
+                    .radiusZ(radius)
                    .build(), world);
            String msg = C.GREEN + "Pregen started in " + C.GOLD + world.getName() + C.GREEN + " of " + C.GOLD + (radius * 2) + C.GREEN + " by " + C.GOLD + (radius * 2) + C.GREEN + " blocks from " + C.GOLD + center.getX() + "," + center.getZ();
            sender().sendMessage(msg);
--- a/core/src/main/java/com/volmit/iris/core/commands/CommandStudio.java
+++ b/core/src/main/java/com/volmit/iris/core/commands/CommandStudio.java
@@ -26,7 +26,6 @@ import com.volmit.iris.core.loader.IrisData;
 import com.volmit.iris.core.project.IrisProject;
 import com.volmit.iris.core.service.ConversionSVC;
 import com.volmit.iris.core.service.StudioSVC;
-import com.volmit.iris.core.tools.IrisConverter;
 import com.volmit.iris.core.tools.IrisToolbelt;
 import com.volmit.iris.engine.framework.Engine;
 import com.volmit.iris.engine.object.*;
@@ -55,7 +54,6 @@ import com.volmit.iris.util.noise.CNG;
 import com.volmit.iris.util.parallel.BurstExecutor;
 import com.volmit.iris.util.parallel.MultiBurst;
 import com.volmit.iris.util.plugin.VolmitSender;
-import com.volmit.iris.util.scheduling.ChronoLatch;
 import com.volmit.iris.util.scheduling.J;
 import com.volmit.iris.util.scheduling.O;
 import com.volmit.iris.util.scheduling.PrecisionStopwatch;
@@ -64,7 +62,6 @@ import io.papermc.lib.PaperLib;
 import org.bukkit.*;
 import org.bukkit.event.inventory.InventoryType;
 import org.bukkit.inventory.Inventory;
-import org.bukkit.scheduler.BukkitRunnable;
 import org.bukkit.util.BlockVector;
 import org.bukkit.util.Vector;

@@ -79,7 +76,6 @@ import java.time.temporal.ChronoUnit;
 import java.util.Arrays;
 import java.util.Date;
 import java.util.Objects;
-import java.util.concurrent.CompletableFuture;
 import java.util.concurrent.ExecutionException;
 import java.util.concurrent.Future;
 import java.util.concurrent.atomic.AtomicInteger;
@@ -176,7 +172,7 @@ public class CommandStudio implements DecreeExecutor {
                    KList<Runnable> js = new KList<>();
                    BurstExecutor b = MultiBurst.burst.burst();
                    b.setMulticore(false);
-                    int rad = engine.getMantle().getRealRadius();
+                    int rad = engine.getMantle().getRadius();
                    for (int i = -(radius + rad); i <= radius + rad; i++) {
                        for (int j = -(radius + rad); j <= radius + rad; j++) {
                            engine.getMantle().getMantle().deleteChunk(i + cx.getX(), j + cx.getZ());
@@ -306,7 +302,7 @@ public class CommandStudio implements DecreeExecutor {
        Inventory inv = Bukkit.createInventory(null, 27 * 2);

        try {
-            engine().addItems(true, inv, RNG.r, tables, InventorySlotType.STORAGE, player().getLocation().getBlockX(), player().getLocation().getBlockY(), player().getLocation().getBlockZ(), 1);
+            engine().addItems(true, inv, RNG.r, tables, InventorySlotType.STORAGE, player().getWorld(), player().getLocation().getBlockX(), player().getLocation().getBlockY(), player().getLocation().getBlockZ(), 1);
        } catch (Throwable e) {
            Iris.reportError(e);
            sender().sendMessage(C.RED + "Cannot add items to virtual inventory because of: " + e.getMessage());
@@ -329,7 +325,7 @@ public class CommandStudio implements DecreeExecutor {
                inv.clear();
            }

-            engine().addItems(true, inv, new RNG(RNG.r.imax()), tables, InventorySlotType.STORAGE, player().getLocation().getBlockX(), player().getLocation().getBlockY(), player().getLocation().getBlockZ(), 1);
+            engine().addItems(true, inv, new RNG(RNG.r.imax()), tables, InventorySlotType.STORAGE, player().getWorld(), player().getLocation().getBlockX(), player().getLocation().getBlockY(), player().getLocation().getBlockZ(), 1);
        }, 0, fast ? 5 : 35));

        sender().sendMessage(C.GREEN + "Opening inventory now!");
--- a/core/src/main/java/com/volmit/iris/core/commands/CommandSupport.java
+++ b/core/src/main/java/com/volmit/iris/core/commands/CommandSupport.java
@@ -21,7 +21,6 @@ package com.volmit.iris.core.commands;
 import com.volmit.iris.Iris;
 import com.volmit.iris.core.loader.IrisData;
 import com.volmit.iris.core.pregenerator.ChunkUpdater;
-import com.volmit.iris.core.service.IrisEngineSVC;
 import com.volmit.iris.core.tools.IrisPackBenchmarking;
 import com.volmit.iris.core.tools.IrisToolbelt;
 import com.volmit.iris.engine.framework.Engine;
--- a/core/src/main/java/com/volmit/iris/core/commands/CommandUpdater.java
+++ b/core/src/main/java/com/volmit/iris/core/commands/CommandUpdater.java
@@ -43,6 +43,10 @@ public class CommandUpdater implements DecreeExecutor {
            sender().sendMessage(C.GOLD + "This is not an Iris world");
            return;
        }
+        if (chunkUpdater != null) {
+            chunkUpdater.stop();
+        }
+
        chunkUpdater = new ChunkUpdater(world);
        if (sender().isPlayer()) {
            sender().sendMessage(C.GREEN + "Updating " + world.getName()  + C.GRAY + " Total chunks: " + Form.f(chunkUpdater.getChunks()));
@@ -53,14 +57,7 @@ public class CommandUpdater implements DecreeExecutor {
    }

    @Decree(description = "Pause the updater")
-    public void pause(
-            @Param(description = "World to pause the Updater at")
-            World world
-    ) {
-        if (!IrisToolbelt.isIrisWorld(world)) {
-            sender().sendMessage(C.GOLD + "This is not an Iris world");
-            return;
-        }
+    public void pause( ) {
        if (chunkUpdater == null) {
            sender().sendMessage(C.GOLD + "You cant pause something that doesnt exist?");
            return;
@@ -68,40 +65,32 @@ public class CommandUpdater implements DecreeExecutor {
        boolean status = chunkUpdater.pause();
        if (sender().isPlayer()) {
            if (status) {
-                sender().sendMessage(C.IRIS + "Paused task for: " + C.GRAY + world.getName());
+                sender().sendMessage(C.IRIS + "Paused task for: " + C.GRAY + chunkUpdater.getName());
            } else {
-                sender().sendMessage(C.IRIS + "Unpause task for: " + C.GRAY + world.getName());
+                sender().sendMessage(C.IRIS + "Unpause task for: " + C.GRAY + chunkUpdater.getName());
            }
        } else {
            if (status) {
-                Iris.info(C.IRIS + "Paused task for: " + C.GRAY + world.getName());
+                Iris.info(C.IRIS + "Paused task for: " + C.GRAY + chunkUpdater.getName());
            } else {
-                Iris.info(C.IRIS + "Unpause task for: " + C.GRAY + world.getName());
+                Iris.info(C.IRIS + "Unpause task for: " + C.GRAY + chunkUpdater.getName());
            }
        }
    }

    @Decree(description = "Stops the updater")
-    public void stop(
-            @Param(description = "World to stop the Updater at")
-            World world
-    ) {
-        if (!IrisToolbelt.isIrisWorld(world)) {
-            sender().sendMessage(C.GOLD + "This is not an Iris world");
-            return;
-        }
+    public void stop() {
        if (chunkUpdater == null) {
            sender().sendMessage(C.GOLD + "You cant stop something that doesnt exist?");
            return;
        }
        if (sender().isPlayer()) {
-            sender().sendMessage("Stopping Updater for: " + C.GRAY + world.getName());
+            sender().sendMessage("Stopping Updater for: " + C.GRAY + chunkUpdater.getName());
        } else {
-            Iris.info("Stopping Updater for: " + C.GRAY + world.getName());
+            Iris.info("Stopping Updater for: " + C.GRAY + chunkUpdater.getName());
        }
        chunkUpdater.stop();
    }
-
 }


--- a/core/src/main/java/com/volmit/iris/core/events/IrisLootEvent.java
+++ b/core/src/main/java/com/volmit/iris/core/events/IrisLootEvent.java
@@ -0,0 +1,113 @@
+package com.volmit.iris.core.events;
+
+import com.volmit.iris.Iris;
+import com.volmit.iris.engine.framework.Engine;
+import com.volmit.iris.engine.object.InventorySlotType;
+import com.volmit.iris.engine.object.IrisLootTable;
+import com.volmit.iris.util.collection.KList;
+import com.volmit.iris.util.scheduling.J;
+import lombok.Getter;
+import org.bukkit.*;
+import org.bukkit.block.Block;
+import org.bukkit.event.Event;
+import org.bukkit.event.HandlerList;
+import org.bukkit.event.world.LootGenerateEvent;
+
+import org.bukkit.inventory.Inventory;
+import org.bukkit.inventory.InventoryHolder;
+import org.bukkit.inventory.ItemStack;
+import org.bukkit.loot.LootContext;
+import org.bukkit.loot.LootTable;
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
+
+import java.util.Collection;
+import java.util.List;
+import java.util.Random;
+
+@Getter
+public class IrisLootEvent extends Event {
+    private static final HandlerList handlers = new HandlerList();
+    private static final LootTable EMPTY = new LootTable() {
+        @NotNull
+        @Override
+        public NamespacedKey getKey() {
+            return new NamespacedKey(Iris.instance, "empty");
+        }
+
+        @NotNull
+        @Override
+        public Collection<ItemStack> populateLoot(@Nullable Random random, @NotNull LootContext context) {
+            return List.of();
+        }
+
+        @Override
+        public void fillInventory(@NotNull Inventory inventory, @Nullable Random random, @NotNull LootContext context) {
+        }
+    };
+
+    private final Engine engine;
+    private final Block block;
+    private final InventorySlotType slot;
+    private final KList<IrisLootTable> tables;
+
+    /**
+     * Constructor for IrisLootEvent with mode selection.
+     *
+     * @param engine The engine instance.
+     * @param block The block associated with the event.
+     * @param slot The inventory slot type.
+     * @param tables The list of IrisLootTables. (mutable*)
+     */
+    public IrisLootEvent(Engine engine, Block block, InventorySlotType slot, KList<IrisLootTable> tables) {
+        this.engine = engine;
+        this.block = block;
+        this.slot = slot;
+        this.tables = tables;
+    }
+
+    @Override
+    public HandlerList getHandlers() {
+        return handlers;
+    }
+
+    /**
+     * Required method to get the HandlerList for this event.
+     *
+     * @return The HandlerList.
+     */
+    public static HandlerList getHandlerList() {
+        return handlers;
+    }
+
+    /**
+     * Triggers the corresponding Bukkit loot event.
+     * This method integrates your custom IrisLootTables with Bukkit's LootGenerateEvent,
+     * allowing other plugins to modify or cancel the loot generation.
+     *
+     * @return true when the event was canceled
+     */
+    public static boolean callLootEvent(KList<ItemStack> loot, Inventory inv, World world, int x, int y, int z) {
+        InventoryHolder holder = inv.getHolder();
+        Location loc = new Location(world, x, y, z);
+        if (holder == null) {
+            holder = new InventoryHolder() {
+                @NotNull
+                @Override
+                public Inventory getInventory() {
+                    return inv;
+                }
+            };
+        }
+
+        LootContext context = new LootContext.Builder(loc).build();
+        LootGenerateEvent event = new LootGenerateEvent(world, null, holder, EMPTY, context, loot, true);
+        if (!Bukkit.isPrimaryThread()) {
+            Iris.warn("LootGenerateEvent was not called on the main thread, please report this issue.");
+            Thread.dumpStack();
+            J.sfut(() -> Bukkit.getPluginManager().callEvent(event)).join();
+        } else Bukkit.getPluginManager().callEvent(event);
+
+        return event.isCancelled();
+    }
+}
--- a/core/src/main/java/com/volmit/iris/core/gui/NoiseExplorerGUI.java
+++ b/core/src/main/java/com/volmit/iris/core/gui/NoiseExplorerGUI.java
@@ -276,9 +276,7 @@ public class NoiseExplorerGUI extends JPanel implements MouseWheelListener, List

                        try {
                            //Color color = colorMode ? Color.getHSBColor((float) (n), 1f - (float) (n * n * n * n * n * n), 1f - (float) n) : Color.getHSBColor(0f, 0f, (float) n);
-                            //Color color = colorMode ? Color.getHSBColor((float) (n), (float) (n * n * n * n * n * n), (float) n) : Color.getHSBColor(0f, 0f, (float) n);
-                            Color color = colorMode ? Color.getHSBColor((float) n, (float) (n * n * n * n * n * n), (float) n) : Color.getHSBColor(0f, 0f, (float) n);
-
+                            Color color = colorMode ? Color.getHSBColor((float) (0.666f - n * 0.666f), 1f, (float) (1f - n * 0.8f)) : Color.getHSBColor(0f, 0f, (float) n);
                            int rgb = color.getRGB();
                            img.setRGB(xx, z, rgb);
                        } catch (Throwable ignored) {
--- a/core/src/main/java/com/volmit/iris/core/gui/PregeneratorJob.java
+++ b/core/src/main/java/com/volmit/iris/core/gui/PregeneratorJob.java
@@ -24,7 +24,6 @@ import com.volmit.iris.core.pregenerator.IrisPregenerator;
 import com.volmit.iris.core.pregenerator.PregenListener;
 import com.volmit.iris.core.pregenerator.PregenTask;
 import com.volmit.iris.core.pregenerator.PregeneratorMethod;
-import com.volmit.iris.core.tools.IrisPackBenchmarking;
 import com.volmit.iris.engine.framework.Engine;
 import com.volmit.iris.util.collection.KList;
 import com.volmit.iris.util.format.Form;
@@ -45,8 +44,6 @@ import java.util.concurrent.TimeUnit;
 import java.util.concurrent.locks.ReentrantLock;
 import java.util.function.Consumer;

-import static com.volmit.iris.core.tools.IrisPackBenchmarking.benchmarkInProgress;
-
 public class PregeneratorJob implements PregenListener {
    private static final Color COLOR_EXISTS = parseColor("#4d7d5b");
    private static final Color COLOR_BLACK = parseColor("#4d7d5b");
@@ -81,12 +78,12 @@ public class PregeneratorJob implements PregenListener {
        this.task = task;
        this.pregenerator = new IrisPregenerator(task, method, this);
        max = new Position2(0, 0);
-        min = new Position2(0, 0);
-        task.iterateRegions((xx, zz) -> {
-            min.setX(Math.min(xx << 5, min.getX()));
-            min.setZ(Math.min(zz << 5, min.getZ()));
-            max.setX(Math.max((xx << 5) + 31, max.getX()));
-            max.setZ(Math.max((zz << 5) + 31, max.getZ()));
+        min = new Position2(Integer.MAX_VALUE, Integer.MAX_VALUE);
+        task.iterateAllChunks((xx, zz) -> {
+            min.setX(Math.min(xx, min.getX()));
+            min.setZ(Math.min(zz, min.getZ()));
+            max.setX(Math.max(xx, max.getX()));
+            max.setZ(Math.max(zz, max.getZ()));
        });

        if (IrisSettings.get().getGui().isUseServerLaunchedGuis() && task.isGui()) {
@@ -162,7 +159,7 @@ public class PregeneratorJob implements PregenListener {
    }

    public void drawRegion(int x, int z, Color color) {
-        J.a(() -> PregenTask.iterateRegion(x, z, (xx, zz) -> {
+        J.a(() -> task.iterateChunks(x, z, (xx, zz) -> {
            draw(xx, zz, color);
            J.sleep(3);
        }));
--- a/core/src/main/java/com/volmit/iris/core/gui/VisionGUI.java
+++ b/core/src/main/java/com/volmit/iris/core/gui/VisionGUI.java
@@ -30,6 +30,7 @@ import com.volmit.iris.engine.object.IrisWorld;
 import com.volmit.iris.util.collection.KList;
 import com.volmit.iris.util.collection.KMap;
 import com.volmit.iris.util.collection.KSet;
+import com.volmit.iris.util.data.registry.Attributes;
 import com.volmit.iris.util.format.Form;
 import com.volmit.iris.util.math.BlockPosition;
 import com.volmit.iris.util.math.M;
@@ -56,6 +57,8 @@ import java.util.concurrent.ExecutorService;
 import java.util.concurrent.Executors;
 import java.util.function.BiFunction;

+import static com.volmit.iris.util.data.registry.Attributes.MAX_HEALTH;
+
 public class VisionGUI extends JPanel implements MouseWheelListener, KeyListener, MouseMotionListener, MouseInputListener {
    private static final long serialVersionUID = 2094606939770332040L;
    private final KList<LivingEntity> lastEntities = new KList<>();
@@ -636,7 +639,7 @@ public class VisionGUI extends JPanel implements MouseWheelListener, KeyListener

                k.add("Pos: " + h.getLocation().getBlockX() + ", " + h.getLocation().getBlockY() + ", " + h.getLocation().getBlockZ());
                k.add("UUID: " + h.getUniqueId());
-                k.add("HP: " + h.getHealth() + " / " + h.getAttribute(Attribute.GENERIC_MAX_HEALTH).getValue());
+                k.add("HP: " + h.getHealth() + " / " + h.getAttribute(MAX_HEALTH).getValue());

                drawCardTR(g, k);
            }
--- a/core/src/main/java/com/volmit/iris/core/gui/components/IrisRenderer.java
+++ b/core/src/main/java/com/volmit/iris/core/gui/components/IrisRenderer.java
@@ -55,10 +55,10 @@ public class IrisRenderer {
                IrisBiome b = renderer.getBiome((int) Math.round(x), renderer.getMaxHeight() - 1, (int) Math.round(z));
                IrisBiomeGeneratorLink g = b.getGenerators().get(0);
                Color c;
-                if (g.getMax(renderer) <= 0) {
+                if (g.getMax() <= 0) {
                    // Max is below water level, so it is most likely an ocean biome
                    c = Color.BLUE;
-                } else if (g.getMin(renderer) < 0) {
+                } else if (g.getMin() < 0) {
                    // Min is below water level, but max is not, so it is most likely a shore biome
                    c = Color.YELLOW;
                } else {
--- a/core/src/main/java/com/volmit/iris/core/link/EcoItemsDataProvider.java
+++ b/core/src/main/java/com/volmit/iris/core/link/EcoItemsDataProvider.java
@@ -9,6 +9,7 @@ import com.willfp.ecoitems.items.EcoItems;
 import org.bukkit.NamespacedKey;
 import org.bukkit.block.data.BlockData;
 import org.bukkit.inventory.ItemStack;
+import org.jetbrains.annotations.NotNull;

 import java.util.MissingResourceException;

@@ -33,23 +34,27 @@ public class EcoItemsDataProvider extends ExternalDataProvider {
        }
    }

+    @NotNull
    @Override
-    public BlockData getBlockData(Identifier blockId, KMap<String, String> state) throws MissingResourceException {
+    public BlockData getBlockData(@NotNull Identifier blockId, @NotNull KMap<String, String> state) throws MissingResourceException {
        throw new MissingResourceException("Failed to find BlockData!", blockId.namespace(), blockId.key());
    }

+    @NotNull
    @Override
-    public ItemStack getItemStack(Identifier itemId, KMap<String, Object> customNbt) throws MissingResourceException {
+    public ItemStack getItemStack(@NotNull Identifier itemId, @NotNull KMap<String, Object> customNbt) throws MissingResourceException {
        EcoItem item = EcoItems.INSTANCE.getByID(itemId.key());
        if (item == null) throw new MissingResourceException("Failed to find Item!", itemId.namespace(), itemId.key());
        return itemStack.get(item).clone();
    }

+    @NotNull
    @Override
    public Identifier[] getBlockTypes() {
        return new Identifier[0];
    }

+    @NotNull
    @Override
    public Identifier[] getItemTypes() {
        KList<Identifier> names = new KList<>();
@@ -66,7 +71,7 @@ public class EcoItemsDataProvider extends ExternalDataProvider {
    }

    @Override
-    public boolean isValidProvider(Identifier id, boolean isItem) {
+    public boolean isValidProvider(@NotNull Identifier id, boolean isItem) {
        return id.namespace().equalsIgnoreCase("ecoitems") && isItem;
    }
 }
--- a/core/src/main/java/com/volmit/iris/core/link/ExecutableItemsDataProvider.java
+++ b/core/src/main/java/com/volmit/iris/core/link/ExecutableItemsDataProvider.java
@@ -6,6 +6,7 @@ import com.volmit.iris.util.collection.KList;
 import com.volmit.iris.util.collection.KMap;
 import org.bukkit.block.data.BlockData;
 import org.bukkit.inventory.ItemStack;
+import org.jetbrains.annotations.NotNull;

 import java.util.MissingResourceException;
 import java.util.Optional;
@@ -20,23 +21,27 @@ public class ExecutableItemsDataProvider extends ExternalDataProvider {
        Iris.info("Setting up ExecutableItems Link...");
    }

+    @NotNull
    @Override
-    public BlockData getBlockData(Identifier blockId, KMap<String, String> state) throws MissingResourceException {
+    public BlockData getBlockData(@NotNull Identifier blockId, @NotNull KMap<String, String> state) throws MissingResourceException {
        throw new MissingResourceException("Failed to find BlockData!", blockId.namespace(), blockId.key());
    }

+    @NotNull
    @Override
-    public ItemStack getItemStack(Identifier itemId, KMap<String, Object> customNbt) throws MissingResourceException {
+    public ItemStack getItemStack(@NotNull Identifier itemId, @NotNull KMap<String, Object> customNbt) throws MissingResourceException {
        return ExecutableItemsAPI.getExecutableItemsManager().getExecutableItem(itemId.key())
                .map(item -> item.buildItem(1, Optional.empty()))
                .orElseThrow(() -> new MissingResourceException("Failed to find ItemData!", itemId.namespace(), itemId.key()));
    }

+    @NotNull
    @Override
    public Identifier[] getBlockTypes() {
        return new Identifier[0];
    }

+    @NotNull
    @Override
    public Identifier[] getItemTypes() {
        KList<Identifier> names = new KList<>();
@@ -53,7 +58,7 @@ public class ExecutableItemsDataProvider extends ExternalDataProvider {
    }

    @Override
-    public boolean isValidProvider(Identifier key, boolean isItem) {
+    public boolean isValidProvider(@NotNull Identifier key, boolean isItem) {
        return key.namespace().equalsIgnoreCase("executable_items") && isItem;
    }
 }
--- a/core/src/main/java/com/volmit/iris/core/link/ExternalDataProvider.java
+++ b/core/src/main/java/com/volmit/iris/core/link/ExternalDataProvider.java
@@ -2,22 +2,28 @@ package com.volmit.iris.core.link;

 import com.volmit.iris.engine.framework.Engine;
 import com.volmit.iris.util.collection.KMap;
+import com.volmit.iris.util.data.IrisCustomData;
 import lombok.Getter;
+import lombok.NonNull;
 import lombok.RequiredArgsConstructor;
 import org.bukkit.Bukkit;
 import org.bukkit.block.Block;
 import org.bukkit.block.data.BlockData;
 import org.bukkit.inventory.ItemStack;
 import org.bukkit.plugin.Plugin;
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;

 import java.util.MissingResourceException;

+@Getter
@RequiredArgsConstructor
 public abstract class ExternalDataProvider {

-    @Getter
+    @NonNull
    private final String pluginId;

+    @Nullable
    public Plugin getPlugin() {
        return Bukkit.getPluginManager().getPlugin(pluginId);
    }
@@ -28,23 +34,60 @@ public abstract class ExternalDataProvider {

    public abstract void init();

-    public BlockData getBlockData(Identifier blockId) throws MissingResourceException {
+    /**
+     * @see ExternalDataProvider#getBlockData(Identifier, KMap)
+     */
+    @NotNull
+    public BlockData getBlockData(@NotNull Identifier blockId) throws MissingResourceException {
        return getBlockData(blockId, new KMap<>());
    }

-    public abstract BlockData getBlockData(Identifier blockId, KMap<String, String> state) throws MissingResourceException;
+    /**
+     * This method returns a {@link BlockData} corresponding to the blockID
+     * it is used in any place Iris accepts {@link BlockData}
+     *
+     * @param blockId The id of the block to get
+     * @param state The state of the block to get
+     * @return Corresponding {@link BlockData} to the blockId
+     *         may return {@link IrisCustomData} for blocks that need a world for placement
+     * @throws MissingResourceException when the blockId is invalid
+     */
+    @NotNull
+    public abstract BlockData getBlockData(@NotNull Identifier blockId, @NotNull KMap<String, String> state) throws MissingResourceException;

-    public ItemStack getItemStack(Identifier itemId) throws MissingResourceException {
+    /**
+     * @see ExternalDataProvider#getItemStack(Identifier)
+     */
+    @NotNull
+    public ItemStack getItemStack(@NotNull Identifier itemId) throws MissingResourceException {
        return getItemStack(itemId, new KMap<>());
    }

-    public abstract ItemStack getItemStack(Identifier itemId, KMap<String, Object> customNbt) throws MissingResourceException;
+    /**
+     * This method returns a {@link ItemStack} corresponding to the itemID
+     * it is used in loot tables
+     *
+     * @param itemId The id of the item to get
+     * @param customNbt Custom nbt to apply to the item
+     * @return Corresponding {@link ItemStack} to the itemId
+     * @throws MissingResourceException when the itemId is invalid
+     */
+    @NotNull
+    public abstract ItemStack getItemStack(@NotNull Identifier itemId, @NotNull KMap<String, Object> customNbt) throws MissingResourceException;

-    public void processUpdate(Engine engine, Block block, Identifier blockId) {}
+    /**
+     * This method is used for placing blocks that need to use the plugins api
+     * it will only be called when the {@link ExternalDataProvider#getBlockData(Identifier, KMap)} returned a {@link IrisCustomData}
+     *
+     * @param engine The engine of the world the block is being placed in
+     * @param block The block where the block should be placed
+     * @param blockId The blockId to place
+     */
+    public void processUpdate(@NotNull Engine engine, @NotNull Block block, @NotNull Identifier blockId) {}

-    public abstract Identifier[] getBlockTypes();
+    public abstract @NotNull Identifier[] getBlockTypes();

-    public abstract Identifier[] getItemTypes();
+    public abstract @NotNull Identifier[] getItemTypes();

-    public abstract boolean isValidProvider(Identifier id, boolean isItem);
+    public abstract boolean isValidProvider(@NotNull Identifier id, boolean isItem);
 }
--- a/core/src/main/java/com/volmit/iris/core/link/HMCLeavesDataProvider.java
+++ b/core/src/main/java/com/volmit/iris/core/link/HMCLeavesDataProvider.java
@@ -6,7 +6,7 @@ import com.volmit.iris.core.service.ExternalDataSVC;
 import com.volmit.iris.engine.framework.Engine;
 import com.volmit.iris.util.collection.KList;
 import com.volmit.iris.util.collection.KMap;
-import com.volmit.iris.util.data.IrisBlockData;
+import com.volmit.iris.util.data.IrisCustomData;
 import com.volmit.iris.util.reflect.WrappedField;
 import com.volmit.iris.util.reflect.WrappedReturningMethod;
 import org.bukkit.Bukkit;
@@ -16,6 +16,7 @@ import org.bukkit.block.Block;
 import org.bukkit.block.data.BlockData;
 import org.bukkit.block.data.type.Leaves;
 import org.bukkit.inventory.ItemStack;
+import org.jetbrains.annotations.NotNull;

 import java.util.Map;
 import java.util.MissingResourceException;
@@ -51,8 +52,9 @@ public class HMCLeavesDataProvider extends ExternalDataProvider {
 		}
 	}

+	@NotNull
 	@Override
-	public BlockData getBlockData(Identifier blockId, KMap<String, String> state) throws MissingResourceException {
+	public BlockData getBlockData(@NotNull Identifier blockId, @NotNull KMap<String, String> state) throws MissingResourceException {
 		Object o = blockDataMap.get(blockId.key());
 		if (o == null)
 			throw new MissingResourceException("Failed to find BlockData!", blockId.namespace(), blockId.key());
@@ -62,18 +64,19 @@ public class HMCLeavesDataProvider extends ExternalDataProvider {
 		BlockData blockData = Bukkit.createBlockData(material);
 		if (IrisSettings.get().getGenerator().preventLeafDecay && blockData instanceof Leaves leaves)
 			leaves.setPersistent(true);
-		return new IrisBlockData(blockData, ExternalDataSVC.buildState(blockId, state));
+		return new IrisCustomData(blockData, ExternalDataSVC.buildState(blockId, state));
 	}

+	@NotNull
 	@Override
-	public ItemStack getItemStack(Identifier itemId, KMap<String, Object> customNbt) throws MissingResourceException {
+	public ItemStack getItemStack(@NotNull Identifier itemId, @NotNull KMap<String, Object> customNbt) throws MissingResourceException {
 		if (!itemDataField.containsKey(itemId.key()))
 			throw new MissingResourceException("Failed to find ItemData!", itemId.namespace(), itemId.key());
 		return itemDataField.get(itemId.key()).get();
 	}

 	@Override
-	public void processUpdate(Engine engine, Block block, Identifier blockId) {
+	public void processUpdate(@NotNull Engine engine, @NotNull Block block, @NotNull Identifier blockId) {
 		var pair = ExternalDataSVC.parseState(blockId);
 		blockId = pair.getA();
 		Boolean result = setCustomBlock.invoke(apiInstance, new Object[]{block.getLocation(), blockId.key(), false});
@@ -86,6 +89,7 @@ public class HMCLeavesDataProvider extends ExternalDataProvider {
 		}
 	}

+	@NotNull
 	@Override
 	public Identifier[] getBlockTypes() {
 		KList<Identifier> names = new KList<>();
@@ -101,6 +105,7 @@ public class HMCLeavesDataProvider extends ExternalDataProvider {
 		return names.toArray(new Identifier[0]);
 	}

+	@NotNull
 	@Override
 	public Identifier[] getItemTypes() {
 		KList<Identifier> names = new KList<>();
@@ -117,7 +122,7 @@ public class HMCLeavesDataProvider extends ExternalDataProvider {
 	}

 	@Override
-	public boolean isValidProvider(Identifier id, boolean isItem) {
+	public boolean isValidProvider(@NotNull Identifier id, boolean isItem) {
 		return (isItem ? itemDataField.keySet() : blockDataMap.keySet()).contains(id.key());
 	}

--- a/core/src/main/java/com/volmit/iris/core/link/ItemAdderDataProvider.java
+++ b/core/src/main/java/com/volmit/iris/core/link/ItemAdderDataProvider.java
@@ -7,6 +7,7 @@ import dev.lone.itemsadder.api.CustomBlock;
 import dev.lone.itemsadder.api.CustomStack;
 import org.bukkit.block.data.BlockData;
 import org.bukkit.inventory.ItemStack;
+import org.jetbrains.annotations.NotNull;

 import java.util.MissingResourceException;

@@ -32,13 +33,15 @@ public class ItemAdderDataProvider extends ExternalDataProvider {
        }
    }

+    @NotNull
    @Override
-    public BlockData getBlockData(Identifier blockId, KMap<String, String> state) throws MissingResourceException {
+    public BlockData getBlockData(@NotNull Identifier blockId, @NotNull KMap<String, String> state) throws MissingResourceException {
        return CustomBlock.getBaseBlockData(blockId.toString());
    }

+    @NotNull
    @Override
-    public ItemStack getItemStack(Identifier itemId, KMap<String, Object> customNbt) throws MissingResourceException {
+    public ItemStack getItemStack(@NotNull Identifier itemId, @NotNull KMap<String, Object> customNbt) throws MissingResourceException {
        CustomStack stack = CustomStack.getInstance(itemId.toString());
        if (stack == null) {
            throw new MissingResourceException("Failed to find ItemData!", itemId.namespace(), itemId.key());
@@ -46,6 +49,7 @@ public class ItemAdderDataProvider extends ExternalDataProvider {
        return stack.getItemStack();
    }

+    @NotNull
    @Override
    public Identifier[] getBlockTypes() {
        KList<Identifier> keys = new KList<>();
@@ -55,6 +59,7 @@ public class ItemAdderDataProvider extends ExternalDataProvider {
        return keys.toArray(new Identifier[0]);
    }

+    @NotNull
    @Override
    public Identifier[] getItemTypes() {
        KList<Identifier> keys = new KList<>();
@@ -65,7 +70,7 @@ public class ItemAdderDataProvider extends ExternalDataProvider {
    }

    @Override
-    public boolean isValidProvider(Identifier id, boolean isItem) {
+    public boolean isValidProvider(@NotNull Identifier id, boolean isItem) {
        return isItem ? this.itemNamespaces.contains(id.namespace()) : this.blockNamespaces.contains(id.namespace());
    }
 }
--- a/core/src/main/java/com/volmit/iris/core/link/MMOItemsDataProvider.java
+++ b/core/src/main/java/com/volmit/iris/core/link/MMOItemsDataProvider.java
@@ -11,6 +11,7 @@ import net.Indyuce.mmoitems.api.block.CustomBlock;
 import org.bukkit.Bukkit;
 import org.bukkit.block.data.BlockData;
 import org.bukkit.inventory.ItemStack;
+import org.jetbrains.annotations.NotNull;

 import java.util.MissingResourceException;
 import java.util.concurrent.CompletableFuture;
@@ -27,8 +28,9 @@ public class MMOItemsDataProvider extends ExternalDataProvider {
        Iris.info("Setting up MMOItems Link...");
    }

+    @NotNull
    @Override
-    public BlockData getBlockData(Identifier blockId, KMap<String, String> state) throws MissingResourceException {
+    public BlockData getBlockData(@NotNull Identifier blockId, @NotNull KMap<String, String> state) throws MissingResourceException {
        int id = -1;
        try {
            id = Integer.parseInt(blockId.key());
@@ -38,8 +40,9 @@ public class MMOItemsDataProvider extends ExternalDataProvider {
        return block.getState().getBlockData();
    }

+    @NotNull
    @Override
-    public ItemStack getItemStack(Identifier itemId, KMap<String, Object> customNbt) throws MissingResourceException {
+    public ItemStack getItemStack(@NotNull Identifier itemId, @NotNull KMap<String, Object> customNbt) throws MissingResourceException {
        String[] parts = itemId.namespace().split("_", 2);
        if (parts.length != 2)
            throw new MissingResourceException("Failed to find ItemData!", itemId.namespace(), itemId.key());
@@ -82,6 +85,7 @@ public class MMOItemsDataProvider extends ExternalDataProvider {
        return item;
    }

+    @NotNull
    @Override
    public Identifier[] getBlockTypes() {
        KList<Identifier> names = new KList<>();
@@ -96,6 +100,7 @@ public class MMOItemsDataProvider extends ExternalDataProvider {
        return names.toArray(new Identifier[0]);
    }

+    @NotNull
    @Override
    public Identifier[] getItemTypes() {
        KList<Identifier> names = new KList<>();
@@ -124,7 +129,7 @@ public class MMOItemsDataProvider extends ExternalDataProvider {
    }

    @Override
-    public boolean isValidProvider(Identifier id, boolean isItem) {
+    public boolean isValidProvider(@NotNull Identifier id, boolean isItem) {
        return isItem ? id.namespace().split("_", 2).length == 2 : id.namespace().equals("mmoitems");
    }

--- a/core/src/main/java/com/volmit/iris/core/link/MythicCrucibleDataProvider.java
+++ b/core/src/main/java/com/volmit/iris/core/link/MythicCrucibleDataProvider.java
@@ -0,0 +1,171 @@
+/*
+ * Iris is a World Generator for Minecraft Bukkit Servers
+ * Copyright (c) 2022 Arcane Arts (Volmit Software)
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package com.volmit.iris.core.link;
+
+import com.volmit.iris.Iris;
+import com.volmit.iris.core.nms.INMS;
+import com.volmit.iris.core.nms.container.BiomeColor;
+import com.volmit.iris.core.service.ExternalDataSVC;
+import com.volmit.iris.engine.data.cache.Cache;
+import com.volmit.iris.engine.framework.Engine;
+import com.volmit.iris.util.collection.KList;
+import com.volmit.iris.util.collection.KMap;
+import com.volmit.iris.util.data.B;
+import com.volmit.iris.util.data.IrisCustomData;
+import com.volmit.iris.util.math.RNG;
+import io.lumine.mythic.bukkit.BukkitAdapter;
+import io.lumine.mythic.bukkit.utils.serialize.Chroma;
+import io.lumine.mythiccrucible.MythicCrucible;
+import io.lumine.mythiccrucible.items.CrucibleItem;
+import io.lumine.mythiccrucible.items.ItemManager;
+import io.lumine.mythiccrucible.items.blocks.CustomBlockItemContext;
+import io.lumine.mythiccrucible.items.furniture.FurnitureItemContext;
+import org.bukkit.block.Block;
+import org.bukkit.block.BlockFace;
+import org.bukkit.block.data.BlockData;
+import org.bukkit.inventory.ItemStack;
+import org.jetbrains.annotations.NotNull;
+
+import java.util.MissingResourceException;
+import java.util.Optional;
+
+public class MythicCrucibleDataProvider extends ExternalDataProvider {
+
+    private ItemManager itemManager;
+
+    public MythicCrucibleDataProvider() {
+        super("MythicCrucible");
+    }
+
+    @Override
+    public void init() {
+        Iris.info("Setting up MythicCrucible Link...");
+        try {
+            this.itemManager = MythicCrucible.inst().getItemManager();
+        } catch (Exception e) {
+            Iris.error("Failed to set up MythicCrucible Link: Unable to fetch MythicCrucible instance!");
+        }
+    }
+
+    @NotNull
+    @Override
+    public BlockData getBlockData(@NotNull Identifier blockId, @NotNull KMap<String, String> state) throws MissingResourceException {
+        CrucibleItem crucibleItem = this.itemManager.getItem(blockId.key())
+                .orElseThrow(() -> new MissingResourceException("Failed to find BlockData!", blockId.namespace(), blockId.key()));
+        CustomBlockItemContext blockItemContext = crucibleItem.getBlockData();
+        FurnitureItemContext furnitureItemContext = crucibleItem.getFurnitureData();
+        if (furnitureItemContext != null) {
+            return new IrisCustomData(B.getAir(), ExternalDataSVC.buildState(blockId, state));
+        } else if (blockItemContext != null) {
+            return blockItemContext.getBlockData();
+        }
+        throw new MissingResourceException("Failed to find BlockData!", blockId.namespace(), blockId.key());
+    }
+
+    @NotNull
+    @Override
+    public ItemStack getItemStack(@NotNull Identifier itemId, @NotNull KMap<String, Object> customNbt) throws MissingResourceException {
+        Optional<CrucibleItem> opt = this.itemManager.getItem(itemId.key());
+        return BukkitAdapter.adapt(opt.orElseThrow(() ->
+                new MissingResourceException("Failed to find ItemData!", itemId.namespace(), itemId.key()))
+                .getMythicItem()
+                .generateItemStack(1));
+    }
+
+    @NotNull
+    @Override
+    public Identifier[] getBlockTypes() {
+        KList<Identifier> names = new KList<>();
+        for (CrucibleItem item : this.itemManager.getItems()) {
+            if (item.getBlockData() == null) continue;
+            try {
+                Identifier key = new Identifier("crucible", item.getInternalName());
+                if (getBlockData(key) != null) {
+                    Iris.info("getBlockTypes: Block loaded '" + item.getInternalName() + "'");
+                    names.add(key);
+                }
+            } catch (MissingResourceException ignored) {}
+        }
+        return names.toArray(new Identifier[0]);
+    }
+
+    @NotNull
+    @Override
+    public Identifier[] getItemTypes() {
+        KList<Identifier> names = new KList<>();
+        for (CrucibleItem item : this.itemManager.getItems()) {
+            try {
+                Identifier key = new Identifier("crucible", item.getInternalName());
+                if (getItemStack(key) != null) {
+                    Iris.info("getItemTypes: Item loaded '" + item.getInternalName() + "'");
+                    names.add(key);
+                }
+            } catch (MissingResourceException ignored) {}
+        }
+        return names.toArray(new Identifier[0]);
+    }
+
+    @Override
+    public void processUpdate(@NotNull Engine engine, @NotNull Block block, @NotNull Identifier blockId) {
+        var pair = ExternalDataSVC.parseState(blockId);
+        var state = pair.getB();
+        blockId = pair.getA();
+
+        Optional<CrucibleItem> item = itemManager.getItem(blockId.key());
+        if (item.isEmpty()) return;
+        FurnitureItemContext furniture = item.get().getFurnitureData();
+        if (furniture == null) return;
+
+        float yaw = 0;
+        BlockFace face = BlockFace.NORTH;
+        long seed = engine.getSeedManager().getSeed() + Cache.key(block.getX(), block.getZ()) + block.getY();
+        RNG rng = new RNG(seed);
+        if ("true".equals(state.get("randomYaw"))) {
+            yaw = rng.f(0, 360);
+        } else if (state.containsKey("yaw")) {
+            yaw = Float.parseFloat(state.get("yaw"));
+        }
+        if ("true".equals(state.get("randomFace"))) {
+            BlockFace[] faces = BlockFace.values();
+            face = faces[rng.i(0, faces.length - 1)];
+        } else if (state.containsKey("face")) {
+            face = BlockFace.valueOf(state.get("face").toUpperCase());
+        }
+        if (face == BlockFace.SELF) {
+            face = BlockFace.NORTH;
+        }
+
+        BiomeColor type = null;
+        Chroma color = null;
+        try {
+            type = BiomeColor.valueOf(state.get("matchBiome").toUpperCase());
+        } catch (NullPointerException | IllegalArgumentException ignored) {}
+        if (type != null) {
+            var biomeColor = INMS.get().getBiomeColor(block.getLocation(), type);
+            if (biomeColor == null) return;
+            color = Chroma.of(biomeColor.getRGB());
+        }
+        furniture.place(block, face, yaw, color);
+    }
+
+    @Override
+    public boolean isValidProvider(@NotNull Identifier key, boolean isItem) {
+        return key.namespace().equalsIgnoreCase("crucible");
+    }
+}
--- a/core/src/main/java/com/volmit/iris/core/link/MythicMobsLink.java
+++ b/core/src/main/java/com/volmit/iris/core/link/MythicMobsLink.java
@@ -26,6 +26,7 @@ import org.bukkit.plugin.Plugin;

 import javax.annotation.Nullable;
 import java.util.Collection;
+import java.util.List;

 public class MythicMobsLink {

@@ -54,6 +55,6 @@ public class MythicMobsLink {
    }

    public Collection<String> getMythicMobTypes() {
-        return isEnabled() ? MythicBukkit.inst().getMobManager().getMobNames() : null;
+        return isEnabled() ? MythicBukkit.inst().getMobManager().getMobNames() : List.of();
    }
 }
--- a/core/src/main/java/com/volmit/iris/core/link/NexoDataProvider.java
+++ b/core/src/main/java/com/volmit/iris/core/link/NexoDataProvider.java
@@ -0,0 +1,164 @@
+package com.volmit.iris.core.link;
+
+import com.nexomc.nexo.api.NexoBlocks;
+import com.nexomc.nexo.api.NexoFurniture;
+import com.nexomc.nexo.api.NexoItems;
+import com.nexomc.nexo.items.ItemBuilder;
+import com.volmit.iris.core.nms.INMS;
+import com.volmit.iris.core.nms.container.BiomeColor;
+import com.volmit.iris.core.service.ExternalDataSVC;
+import com.volmit.iris.engine.data.cache.Cache;
+import com.volmit.iris.engine.framework.Engine;
+import com.volmit.iris.util.collection.KMap;
+import com.volmit.iris.util.data.B;
+import com.volmit.iris.util.data.IrisCustomData;
+import com.volmit.iris.util.math.RNG;
+import org.bukkit.Color;
+import org.bukkit.block.Block;
+import org.bukkit.block.BlockFace;
+import org.bukkit.block.data.BlockData;
+import org.bukkit.entity.ItemDisplay;
+import org.bukkit.inventory.ItemStack;
+import org.bukkit.inventory.meta.PotionMeta;
+import org.jetbrains.annotations.NotNull;
+
+import java.util.Arrays;
+import java.util.MissingResourceException;
+import java.util.concurrent.atomic.AtomicBoolean;
+
+public class NexoDataProvider extends ExternalDataProvider {
+    private final AtomicBoolean failed = new AtomicBoolean(false);
+
+    public NexoDataProvider() {
+        super("Nexo");
+    }
+
+    @Override
+    public void init() {
+    }
+
+    @NotNull
+    @Override
+    public BlockData getBlockData(@NotNull Identifier blockId, @NotNull KMap<String, String> state) throws MissingResourceException {
+        if (!NexoItems.exists(blockId.key())) {
+            throw new MissingResourceException("Failed to find BlockData!", blockId.namespace(), blockId.key());
+        }
+
+        Identifier blockState = ExternalDataSVC.buildState(blockId, state);
+        if (NexoBlocks.isCustomBlock(blockId.key())) {
+            BlockData data = NexoBlocks.blockData(blockId.key());
+            if (data == null)
+                throw new MissingResourceException("Failed to find BlockData!", blockId.namespace(), blockId.key());
+            return new IrisCustomData(data, blockState);
+        } else if (NexoFurniture.isFurniture(blockId.key())) {
+            return new IrisCustomData(B.getAir(), blockState);
+        }
+
+        throw new MissingResourceException("Failed to find BlockData!", blockId.namespace(), blockId.key());
+    }
+
+    @NotNull
+    @Override
+    public ItemStack getItemStack(@NotNull Identifier itemId, @NotNull KMap<String, Object> customNbt) throws MissingResourceException {
+        ItemBuilder builder = NexoItems.itemFromId(itemId.key());
+        if (builder == null) {
+            throw new MissingResourceException("Failed to find ItemData!", itemId.namespace(), itemId.key());
+        }
+        return builder.build();
+    }
+
+    @Override
+    public void processUpdate(@NotNull Engine engine, @NotNull Block block, @NotNull Identifier blockId) {
+        var pair = ExternalDataSVC.parseState(blockId);
+        var state = pair.getB();
+        blockId = pair.getA();
+
+        if (NexoBlocks.isCustomBlock(blockId.key())) {
+            NexoBlocks.place(blockId.key(), block.getLocation());
+            return;
+        }
+
+        if (!NexoFurniture.isFurniture(blockId.key()))
+            return;
+
+        float yaw = 0;
+        BlockFace face = BlockFace.NORTH;
+
+        long seed = engine.getSeedManager().getSeed() + Cache.key(block.getX(), block.getZ()) + block.getY();
+        RNG rng = new RNG(seed);
+        if ("true".equals(state.get("randomYaw"))) {
+            yaw = rng.f(0, 360);
+        } else if (state.containsKey("yaw")) {
+            yaw = Float.parseFloat(state.get("yaw"));
+        }
+        if ("true".equals(state.get("randomFace"))) {
+            BlockFace[] faces = BlockFace.values();
+            face = faces[rng.i(0, faces.length - 1)];
+        } else if (state.containsKey("face")) {
+            face = BlockFace.valueOf(state.get("face").toUpperCase());
+        }
+        if (face == BlockFace.SELF) {
+            face = BlockFace.NORTH;
+        }
+        ItemDisplay display = NexoFurniture.place(blockId.key(), block.getLocation(), yaw, face);
+        if (display == null) return;
+        ItemStack itemStack = display.getItemStack();
+        if (itemStack == null) return;
+
+        BiomeColor type = null;
+        try {
+            type = BiomeColor.valueOf(state.get("matchBiome").toUpperCase());
+        } catch (NullPointerException | IllegalArgumentException ignored) {}
+
+        if (type != null) {
+            var biomeColor = INMS.get().getBiomeColor(block.getLocation(), type);
+            if (biomeColor == null) return;
+            var potionColor = Color.fromARGB(biomeColor.getAlpha(), biomeColor.getRed(), biomeColor.getGreen(), biomeColor.getBlue());
+            if (itemStack.getItemMeta() instanceof PotionMeta meta) {
+                meta.setColor(potionColor);
+                itemStack.setItemMeta(meta);
+            }
+        }
+        display.setItemStack(itemStack);
+    }
+
+    @NotNull
+    @Override
+    public Identifier[] getBlockTypes() {
+        return NexoItems.itemNames().stream()
+                .map(i -> new Identifier("nexo", i))
+                .filter(i -> {
+                    try {
+                        return getBlockData(i) != null;
+                    } catch (MissingResourceException e) {
+                        return false;
+                    }
+                })
+                .toArray(Identifier[]::new);
+    }
+
+    @NotNull
+    @Override
+    public Identifier[] getItemTypes() {
+        return NexoItems.itemNames().stream()
+                .map(i -> new Identifier("nexo", i))
+                .filter(i -> {
+                    try {
+                        return getItemStack(i) != null;
+                    } catch (MissingResourceException e) {
+                        return false;
+                    }
+                })
+                .toArray(Identifier[]::new);
+    }
+
+    @Override
+    public boolean isValidProvider(@NotNull Identifier id, boolean isItem) {
+        return "nexo".equalsIgnoreCase(id.namespace());
+    }
+
+    @Override
+    public boolean isReady() {
+        return super.isReady() && !failed.get();
+    }
+}
--- a/core/src/main/java/com/volmit/iris/core/link/OraxenDataProvider.java
+++ b/core/src/main/java/com/volmit/iris/core/link/OraxenDataProvider.java
@@ -1,213 +0,0 @@
-/*
- * Iris is a World Generator for Minecraft Bukkit Servers
- * Copyright (c) 2022 Arcane Arts (Volmit Software)
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <https://www.gnu.org/licenses/>.
- */
-
-package com.volmit.iris.core.link;
-
-import com.volmit.iris.Iris;
-import com.volmit.iris.core.nms.INMS;
-import com.volmit.iris.core.nms.container.BiomeColor;
-import com.volmit.iris.core.service.ExternalDataSVC;
-import com.volmit.iris.engine.data.cache.Cache;
-import com.volmit.iris.engine.framework.Engine;
-import com.volmit.iris.util.collection.KList;
-import com.volmit.iris.util.collection.KMap;
-import com.volmit.iris.util.data.B;
-import com.volmit.iris.util.data.IrisBlockData;
-import com.volmit.iris.util.math.RNG;
-import com.volmit.iris.util.reflect.WrappedField;
-import io.th0rgal.oraxen.api.OraxenItems;
-import io.th0rgal.oraxen.items.ItemBuilder;
-import io.th0rgal.oraxen.mechanics.Mechanic;
-import io.th0rgal.oraxen.mechanics.MechanicFactory;
-import io.th0rgal.oraxen.mechanics.MechanicsManager;
-import io.th0rgal.oraxen.mechanics.provided.gameplay.block.BlockMechanic;
-import io.th0rgal.oraxen.mechanics.provided.gameplay.block.BlockMechanicFactory;
-import io.th0rgal.oraxen.mechanics.provided.gameplay.furniture.FurnitureFactory;
-import io.th0rgal.oraxen.mechanics.provided.gameplay.furniture.FurnitureMechanic;
-import io.th0rgal.oraxen.mechanics.provided.gameplay.noteblock.NoteBlockMechanicFactory;
-import io.th0rgal.oraxen.mechanics.provided.gameplay.stringblock.StringBlockMechanicFactory;
-import org.bukkit.Bukkit;
-import org.bukkit.Color;
-import org.bukkit.Material;
-import org.bukkit.block.Block;
-import org.bukkit.block.BlockFace;
-import org.bukkit.block.data.BlockData;
-import org.bukkit.block.data.MultipleFacing;
-import org.bukkit.entity.Entity;
-import org.bukkit.entity.ItemDisplay;
-import org.bukkit.entity.ItemFrame;
-import org.bukkit.inventory.ItemStack;
-import org.bukkit.inventory.meta.PotionMeta;
-
-import java.util.Map;
-import java.util.MissingResourceException;
-import java.util.Optional;
-import java.util.function.Consumer;
-
-public class OraxenDataProvider extends ExternalDataProvider {
-
-    private static final String FIELD_FACTORIES_MAP = "FACTORIES_BY_MECHANIC_ID";
-
-    private WrappedField<MechanicsManager, Map<String, MechanicFactory>> factories;
-
-    public OraxenDataProvider() {
-        super("Oraxen");
-    }
-
-    @Override
-    public void init() {
-        Iris.info("Setting up Oraxen Link...");
-        this.factories = new WrappedField<>(MechanicsManager.class, FIELD_FACTORIES_MAP);
-        if (this.factories.hasFailed()) {
-            Iris.error("Failed to set up Oraxen Link: Unable to fetch MechanicFactoriesMap!");
-        }
-    }
-
-    @Override
-    public BlockData getBlockData(Identifier blockId, KMap<String, String> state) throws MissingResourceException {
-        MechanicFactory factory = getFactory(blockId);
-        if (factory instanceof NoteBlockMechanicFactory f)
-            return f.createNoteBlockData(blockId.key());
-        else if (factory instanceof BlockMechanicFactory f) {
-            MultipleFacing newBlockData = (MultipleFacing) Bukkit.createBlockData(Material.MUSHROOM_STEM);
-            BlockMechanic.setBlockFacing(newBlockData, ((BlockMechanic) f.getMechanic(blockId.key())).getCustomVariation());
-            return newBlockData;
-        } else if (factory instanceof StringBlockMechanicFactory f) {
-            return f.createTripwireData(blockId.key());
-        } else if (factory instanceof FurnitureFactory) {
-            return new IrisBlockData(B.getAir(), ExternalDataSVC.buildState(blockId, state));
-        } else
-            throw new MissingResourceException("Failed to find BlockData!", blockId.namespace(), blockId.key());
-    }
-
-    @Override
-    public ItemStack getItemStack(Identifier itemId, KMap<String, Object> customNbt) throws MissingResourceException {
-        Optional<ItemBuilder> opt = OraxenItems.getOptionalItemById(itemId.key());
-        return opt.orElseThrow(() -> new MissingResourceException("Failed to find ItemData!", itemId.namespace(), itemId.key())).build();
-    }
-
-    @Override
-    public void processUpdate(Engine engine, Block block, Identifier blockId) {
-        var pair = ExternalDataSVC.parseState(blockId);
-        var state = pair.getB();
-        blockId = pair.getA();
-        Mechanic mechanic = getFactory(blockId).getMechanic(blockId.key());
-        if (mechanic instanceof FurnitureMechanic f) {
-            float yaw = 0;
-            BlockFace face = BlockFace.NORTH;
-
-            long seed = engine.getSeedManager().getSeed() + Cache.key(block.getX(), block.getZ()) + block.getY();
-            RNG rng = new RNG(seed);
-            if ("true".equals(state.get("randomYaw"))) {
-                yaw = rng.f(0, 360);
-            } else if (state.containsKey("yaw")) {
-                yaw = Float.parseFloat(state.get("yaw"));
-            }
-            if ("true".equals(state.get("randomFace"))) {
-                BlockFace[] faces = BlockFace.values();
-                face = faces[rng.i(0, faces.length - 1)];
-            } else if (state.containsKey("face")) {
-                face = BlockFace.valueOf(state.get("face").toUpperCase());
-            }
-            if (face == BlockFace.SELF) {
-                face = BlockFace.NORTH;
-            }
-            ItemStack itemStack = OraxenItems.getItemById(f.getItemID()).build();
-            Entity entity = f.place(block.getLocation(), itemStack, yaw, face, false);
-
-            Consumer<ItemStack> setter = null;
-            if (entity instanceof ItemFrame frame) {
-                itemStack = frame.getItem();
-                setter = frame::setItem;
-            } else if (entity instanceof ItemDisplay display) {
-                itemStack = display.getItemStack();
-                setter = display::setItemStack;
-            }
-            if (setter == null || itemStack == null) return;
-
-            BiomeColor type = null;
-            try {
-                type = BiomeColor.valueOf(state.get("matchBiome").toUpperCase());
-            } catch (NullPointerException | IllegalArgumentException ignored) {}
-
-            if (type != null) {
-                var biomeColor = INMS.get().getBiomeColor(block.getLocation(), type);
-                if (biomeColor == null) return;
-                var potionColor = Color.fromARGB(biomeColor.getAlpha(), biomeColor.getRed(), biomeColor.getGreen(), biomeColor.getBlue());
-                if (itemStack.getItemMeta() instanceof PotionMeta meta) {
-                    meta.setColor(potionColor);
-                    itemStack.setItemMeta(meta);
-                }
-            }
-            setter.accept(itemStack);
-        }
-    }
-
-    @Override
-    public Identifier[] getBlockTypes() {
-        KList<Identifier> names = new KList<>();
-        for (String name : OraxenItems.getItemNames()) {
-            try {
-                Identifier key = new Identifier("oraxen", name);
-                if (getBlockData(key) != null)
-                    names.add(key);
-            } catch (MissingResourceException ignored) {
-            }
-        }
-
-        return names.toArray(new Identifier[0]);
-    }
-
-    @Override
-    public Identifier[] getItemTypes() {
-        KList<Identifier> names = new KList<>();
-        for (String name : OraxenItems.getItemNames()) {
-            try {
-                Identifier key = new Identifier("oraxen", name);
-                if (getItemStack(key) != null)
-                    names.add(key);
-            } catch (MissingResourceException ignored) {
-            }
-        }
-
-        return names.toArray(new Identifier[0]);
-    }
-
-    @Override
-    public boolean isReady() {
-        if (super.isReady()) {
-            if (factories == null) {
-                this.factories = new WrappedField<>(MechanicsManager.class, FIELD_FACTORIES_MAP);
-            }
-            return super.isReady() && !factories.hasFailed();
-        }
-        return false;
-    }
-
-    @Override
-    public boolean isValidProvider(Identifier key, boolean isItem) {
-        return key.namespace().equalsIgnoreCase("oraxen");
-    }
-
-    private MechanicFactory getFactory(Identifier key) throws MissingResourceException {
-        return factories.get().values().stream()
-                .filter(i -> i.getItems().contains(key.key()))
-                .findFirst()
-                .orElseThrow(() -> new MissingResourceException("Failed to find BlockData!", key.namespace(), key.key()));
-    }
-}
--- a/core/src/main/java/com/volmit/iris/core/loader/IrisData.java
+++ b/core/src/main/java/com/volmit/iris/core/loader/IrisData.java
@@ -36,6 +36,7 @@ import com.volmit.iris.util.format.C;
 import com.volmit.iris.util.math.RNG;
 import com.volmit.iris.util.parallel.BurstExecutor;
 import com.volmit.iris.util.parallel.MultiBurst;
+import com.volmit.iris.util.reflect.OldEnum;
 import com.volmit.iris.util.scheduling.ChronoLatch;
 import com.volmit.iris.util.scheduling.J;
 import lombok.Data;
@@ -337,6 +338,15 @@ public class IrisData implements ExclusionStrategy, TypeAdapterFactory {
        this.imageLoader = registerLoader(IrisImage.class);
        this.scriptLoader = registerLoader(IrisScript.class);
        this.matterObjectLoader = registerLoader(IrisMatterObject.class);
+        if (OldEnum.exists()) {
+            builder.registerTypeAdapterFactory(new TypeAdapterFactory() {
+                @Override
+                public <T> TypeAdapter<T> create(Gson gson, TypeToken<T> type) {
+                    return (TypeAdapter<T>) OldEnum.create(type.getRawType());
+                }
+            });
+        }
+
        gson = builder.create();
    }

@@ -434,6 +444,7 @@ public class IrisData implements ExclusionStrategy, TypeAdapterFactory {
                    return adapter.read(reader);
                } catch (Throwable e) {
                    Iris.error("Failed to read " + typeToken.getRawType().getCanonicalName() + "... faking objects a little to load the file at least.");
+                    Iris.reportError(e);
                    try {
                        return (T) typeToken.getRawType().getConstructor().newInstance();
                    } catch (Throwable ignored) {
--- a/core/src/main/java/com/volmit/iris/core/loader/ResourceLoader.java
+++ b/core/src/main/java/com/volmit/iris/core/loader/ResourceLoader.java
@@ -44,6 +44,7 @@ import lombok.EqualsAndHashCode;
 import lombok.ToString;

 import java.io.*;
+import java.util.Arrays;
 import java.util.Locale;
 import java.util.concurrent.atomic.AtomicInteger;
 import java.util.concurrent.atomic.AtomicReference;
@@ -219,6 +220,10 @@ public class ResourceLoader<T extends IrisRegistrant> implements MeteredCache {
        return s.map(this::load);
    }

+    public Stream<T> streamAllPossible() {
+        return streamAll(Arrays.stream(getPossibleKeys()));
+    }
+
    public KList<T> loadAll(KList<String> s) {
        KList<T> m = new KList<>();

--- a/core/src/main/java/com/volmit/iris/core/nms/INMS.java
+++ b/core/src/main/java/com/volmit/iris/core/nms/INMS.java
@@ -23,17 +23,28 @@ import com.volmit.iris.core.IrisSettings;
 import com.volmit.iris.core.nms.v1X.NMSBinding1X;
 import org.bukkit.Bukkit;

+import java.util.List;
 import java.util.Map;

 public class INMS {
    private static final Map<String, String> REVISION = Map.of(
-        "1.20.5", "v1_20_R4",
-        "1.20.6", "v1_20_R4",
-        "1.21", "v1_21_R1",
-        "1.21.1", "v1_21_R1"
+            "1.20.5", "v1_20_R4",
+            "1.20.6", "v1_20_R4",
+            "1.21", "v1_21_R1",
+            "1.21.1", "v1_21_R1",
+            "1.21.2", "v1_21_R2",
+            "1.21.3", "v1_21_R2",
+            "1.21.4", "v1_21_R3"
    );
+    private static final List<Version> PACKS = List.of(
+            new Version(21, 4, "31020"),
+            new Version(21, 2, "31000"),
+            new Version(20, 1, "3910")
+    );
+
    //@done
    private static final INMSBinding binding = bind();
+    public static final String OVERWORLD_TAG = getOverworldTag();

    public static INMSBinding get() {
        return binding;
@@ -84,4 +95,26 @@ public class INMS {

        return new NMSBinding1X();
    }
+
+    private static String getOverworldTag() {
+        var version = Bukkit.getServer().getBukkitVersion().split("-")[0].split("\\.", 3);
+        int major = 0;
+        int minor = 0;
+
+        if (version.length > 2) {
+            major = Integer.parseInt(version[1]);
+            minor = Integer.parseInt(version[2]);
+        } else if (version.length == 2) {
+            major = Integer.parseInt(version[1]);
+        }
+
+        for (var p : PACKS) {
+            if (p.major > major || p.minor > minor)
+                continue;
+            return p.tag;
+        }
+        return "3910";
+    }
+
+    private record Version(int major, int minor, String tag) {}
 }
--- a/core/src/main/java/com/volmit/iris/core/nms/INMSBinding.java
+++ b/core/src/main/java/com/volmit/iris/core/nms/INMSBinding.java
@@ -18,6 +18,7 @@

 package com.volmit.iris.core.nms;

+import com.volmit.iris.core.nms.container.AutoClosing;
 import com.volmit.iris.core.nms.container.BiomeColor;
 import com.volmit.iris.core.nms.datapack.DataVersion;
 import com.volmit.iris.engine.framework.Engine;
@@ -30,15 +31,12 @@ import com.volmit.iris.util.nbt.mca.palette.MCAPaletteAccess;
 import com.volmit.iris.util.nbt.tag.CompoundTag;
 import org.bukkit.*;
 import org.bukkit.block.Biome;
-import org.bukkit.entity.Dolphin;
 import org.bukkit.entity.Entity;
 import org.bukkit.entity.EntityType;
 import org.bukkit.event.entity.CreatureSpawnEvent;
 import org.bukkit.generator.ChunkGenerator;
-import org.bukkit.generator.structure.Structure;
 import org.bukkit.inventory.ItemStack;

-import java.awt.*;
 import java.awt.Color;

 public interface INMSBinding {
@@ -91,7 +89,13 @@ public interface INMSBinding {
    MCABiomeContainer newBiomeContainer(int min, int max);

    default World createWorld(WorldCreator c) {
-        return c.createWorld();
+        if (missingDimensionTypes(true, true, true))
+            throw new IllegalStateException("Missing dimenstion types to create world");
+
+        try (var ignored = injectLevelStems()) {
+            ignored.storeContext();
+            return c.createWorld();
+        }
    }

    int countCustomBiomes();
@@ -125,4 +129,14 @@ public interface INMSBinding {
    }

    KList<String> getStructureKeys();
+
+    AutoClosing injectLevelStems();
+
+    default AutoClosing injectUncached(boolean overworld, boolean nether, boolean end) {
+        return null;
+    }
+
+    boolean missingDimensionTypes(boolean overworld, boolean nether, boolean end);
+
+    void removeCustomDimensions(World world);
 }
--- a/core/src/main/java/com/volmit/iris/core/nms/container/AutoClosing.java
+++ b/core/src/main/java/com/volmit/iris/core/nms/container/AutoClosing.java
@@ -0,0 +1,39 @@
+package com.volmit.iris.core.nms.container;
+
+import com.volmit.iris.util.collection.KMap;
+import com.volmit.iris.util.function.NastyRunnable;
+import lombok.AllArgsConstructor;
+
+import java.util.concurrent.atomic.AtomicBoolean;
+
+@AllArgsConstructor
+public class AutoClosing implements AutoCloseable {
+    private static final KMap<Thread, AutoClosing> CONTEXTS = new KMap<>();
+    private final AtomicBoolean closed = new AtomicBoolean();
+    private final NastyRunnable action;
+
+    @Override
+    public void close() {
+        if (closed.getAndSet(true)) return;
+        try {
+            removeContext();
+            action.run();
+        } catch (Throwable e) {
+            throw new RuntimeException(e);
+        }
+    }
+
+    public void storeContext() {
+        CONTEXTS.put(Thread.currentThread(), this);
+    }
+
+    public void removeContext() {
+        CONTEXTS.values().removeIf(c -> c == this);
+    }
+
+    public static void closeContext() {
+        AutoClosing closing = CONTEXTS.remove(Thread.currentThread());
+        if (closing == null) return;
+        closing.close();
+    }
+}
--- a/core/src/main/java/com/volmit/iris/core/nms/datapack/DataVersion.java
+++ b/core/src/main/java/com/volmit/iris/core/nms/datapack/DataVersion.java
@@ -3,6 +3,7 @@ package com.volmit.iris.core.nms.datapack;
 import com.volmit.iris.core.nms.INMS;
 import com.volmit.iris.core.nms.datapack.v1192.DataFixerV1192;
 import com.volmit.iris.core.nms.datapack.v1206.DataFixerV1206;
+import com.volmit.iris.core.nms.datapack.v1213.DataFixerV1213;
 import com.volmit.iris.util.collection.KMap;
 import lombok.AccessLevel;
 import lombok.Getter;
@@ -13,7 +14,8 @@ import java.util.function.Supplier;
@Getter
 public enum DataVersion {
    V1192("1.19.2", 10, DataFixerV1192::new),
-    V1205("1.20.6", 41, DataFixerV1206::new);
+    V1205("1.20.6", 41, DataFixerV1206::new),
+    V1213("1.21.3", 57, DataFixerV1213::new);
    private static final KMap<DataVersion, IDataFixer> cache = new KMap<>();
    @Getter(AccessLevel.NONE)
    private final Supplier<IDataFixer> constructor;
--- a/core/src/main/java/com/volmit/iris/core/nms/datapack/IDataFixer.java
+++ b/core/src/main/java/com/volmit/iris/core/nms/datapack/IDataFixer.java
@@ -1,11 +1,28 @@
 package com.volmit.iris.core.nms.datapack;

 import com.volmit.iris.engine.object.IrisBiomeCustom;
+import com.volmit.iris.engine.object.IrisRange;
 import com.volmit.iris.util.json.JSONObject;

 public interface IDataFixer {

-    JSONObject fixCustomBiome(IrisBiomeCustom biome, JSONObject json);
+    default JSONObject fixCustomBiome(IrisBiomeCustom biome, JSONObject json) {
+        return json;
+    }

-    JSONObject fixDimension(JSONObject json);
+    JSONObject rawDimension(Dimension dimension);
+
+    default JSONObject createDimension(Dimension dimension, IrisRange height, int logicalHeight) {
+        JSONObject obj = rawDimension(dimension);
+        obj.put("min_y", height.getMin());
+        obj.put("height", height.getMax() - height.getMin());
+        obj.put("logical_height", logicalHeight);
+        return obj;
+    }
+
+    enum Dimension {
+        OVERRWORLD,
+        NETHER,
+        THE_END
+    }
 }
--- a/core/src/main/java/com/volmit/iris/core/nms/datapack/v1192/DataFixerV1192.java
+++ b/core/src/main/java/com/volmit/iris/core/nms/datapack/v1192/DataFixerV1192.java
@@ -1,18 +1,81 @@
 package com.volmit.iris.core.nms.datapack.v1192;

 import com.volmit.iris.core.nms.datapack.IDataFixer;
-import com.volmit.iris.engine.object.IrisBiomeCustom;
 import com.volmit.iris.util.json.JSONObject;
+import java.util.Map;

 public class DataFixerV1192 implements IDataFixer {

-    @Override
-    public JSONObject fixCustomBiome(IrisBiomeCustom biome, JSONObject json) {
-        return json;
-    }
+    private static final Map<Dimension, String> DIMENSIONS = Map.of(
+            Dimension.OVERRWORLD, """
+            {
+              "ambient_light": 0.0,
+              "bed_works": true,
+              "coordinate_scale": 1.0,
+              "effects": "minecraft:overworld",
+              "has_ceiling": false,
+              "has_raids": true,
+              "has_skylight": true,
+              "infiniburn": "#minecraft:infiniburn_overworld",
+              "monster_spawn_block_light_limit": 0,
+              "monster_spawn_light_level": {
+                "type": "minecraft:uniform",
+                "value": {
+                  "max_inclusive": 7,
+                  "min_inclusive": 0
+                }
+              },
+              "natural": true,
+              "piglin_safe": false,
+              "respawn_anchor_works": false,
+              "ultrawarm": false
+            }""",
+            Dimension.NETHER, """
+            {
+              "ambient_light": 0.1,
+              "bed_works": false,
+              "coordinate_scale": 8.0,
+              "effects": "minecraft:the_nether",
+              "fixed_time": 18000,
+              "has_ceiling": true,
+              "has_raids": false,
+              "has_skylight": false,
+              "infiniburn": "#minecraft:infiniburn_nether",
+              "monster_spawn_block_light_limit": 15,
+              "monster_spawn_light_level": 7,
+              "natural": false,
+              "piglin_safe": true,
+              "respawn_anchor_works": true,
+              "ultrawarm": true
+            }""",
+            Dimension.THE_END, """
+            {
+              "ambient_light": 0.0,
+              "bed_works": false,
+              "coordinate_scale": 1.0,
+              "effects": "minecraft:the_end",
+              "fixed_time": 6000,
+              "has_ceiling": false,
+              "has_raids": true,
+              "has_skylight": false,
+              "infiniburn": "#minecraft:infiniburn_end",
+              "monster_spawn_block_light_limit": 0,
+              "monster_spawn_light_level": {
+                "type": "minecraft:uniform",
+                "value": {
+                  "max_inclusive": 7,
+                  "min_inclusive": 0
+                }
+              },
+              "natural": false,
+              "piglin_safe": false,
+              "respawn_anchor_works": false,
+              "ultrawarm": false
+            }"""
+    );

    @Override
-    public JSONObject fixDimension(JSONObject json) {
-        return json;
+    public JSONObject rawDimension(Dimension dimension) {
+        return new JSONObject(DIMENSIONS.get(dimension));
    }
 }
--- a/core/src/main/java/com/volmit/iris/core/nms/datapack/v1206/DataFixerV1206.java
+++ b/core/src/main/java/com/volmit/iris/core/nms/datapack/v1206/DataFixerV1206.java
@@ -1,6 +1,6 @@
 package com.volmit.iris.core.nms.datapack.v1206;

-import com.volmit.iris.core.nms.datapack.IDataFixer;
+import com.volmit.iris.core.nms.datapack.v1192.DataFixerV1192;
 import com.volmit.iris.engine.object.IrisBiomeCustom;
 import com.volmit.iris.engine.object.IrisBiomeCustomSpawn;
 import com.volmit.iris.engine.object.IrisBiomeCustomSpawnType;
@@ -10,12 +10,14 @@ import com.volmit.iris.util.json.JSONObject;

 import java.util.Locale;

-public class DataFixerV1206 implements IDataFixer {
+public class DataFixerV1206 extends DataFixerV1192 {
    @Override
    public JSONObject fixCustomBiome(IrisBiomeCustom biome, JSONObject json) {
        int spawnRarity = biome.getSpawnRarity();
        if (spawnRarity > 0) {
            json.put("creature_spawn_probability", Math.min(spawnRarity/20d, 0.9999999));
+        } else {
+            json.remove("creature_spawn_probability");
        }

        var spawns = biome.getSpawns();
@@ -26,10 +28,10 @@ public class DataFixerV1206 implements IDataFixer {
            for (IrisBiomeCustomSpawn i : spawns) {
                JSONArray g = groups.computeIfAbsent(i.getGroup(), (k) -> new JSONArray());
                JSONObject o = new JSONObject();
-                o.put("type", "minecraft:" + i.getType().name().toLowerCase());
+                o.put("type", i.getType().getKey());
                o.put("weight", i.getWeight());
-                o.put("minCount", Math.min(i.getMinCount()/20d, 0));
-                o.put("maxCount", Math.min(i.getMaxCount()/20d, 0.9999999));
+                o.put("minCount", i.getMinCount());
+                o.put("maxCount", i.getMaxCount());
                g.put(o);
            }

@@ -43,7 +45,8 @@ public class DataFixerV1206 implements IDataFixer {
    }

    @Override
-    public JSONObject fixDimension(JSONObject json) {
+    public JSONObject rawDimension(Dimension dimension) {
+        JSONObject json = super.rawDimension(dimension);
        if (!(json.get("monster_spawn_light_level") instanceof JSONObject lightLevel))
            return json;
        var value = (JSONObject) lightLevel.remove("value");
--- a/core/src/main/java/com/volmit/iris/core/nms/datapack/v1213/DataFixerV1213.java
+++ b/core/src/main/java/com/volmit/iris/core/nms/datapack/v1213/DataFixerV1213.java
@@ -0,0 +1,16 @@
+package com.volmit.iris.core.nms.datapack.v1213;
+
+import com.volmit.iris.core.nms.datapack.v1206.DataFixerV1206;
+import com.volmit.iris.engine.object.IrisBiomeCustom;
+import com.volmit.iris.util.json.JSONArray;
+import com.volmit.iris.util.json.JSONObject;
+
+public class DataFixerV1213 extends DataFixerV1206 {
+
+    @Override
+    public JSONObject fixCustomBiome(IrisBiomeCustom biome, JSONObject json) {
+        json = super.fixCustomBiome(biome, json);
+        json.put("carvers", new JSONArray());
+        return json;
+    }
+}
--- a/core/src/main/java/com/volmit/iris/core/nms/v1X/NMSBinding1X.java
+++ b/core/src/main/java/com/volmit/iris/core/nms/v1X/NMSBinding1X.java
@@ -20,8 +20,9 @@ package com.volmit.iris.core.nms.v1X;

 import com.volmit.iris.Iris;
 import com.volmit.iris.core.nms.INMSBinding;
+import com.volmit.iris.core.nms.container.AutoClosing;
 import com.volmit.iris.core.nms.container.BiomeColor;
-import com.volmit.iris.core.nms.container.BlockPos;
+import com.volmit.iris.core.nms.container.Pair;
 import com.volmit.iris.engine.framework.Engine;
 import com.volmit.iris.util.collection.KList;
 import com.volmit.iris.util.collection.KMap;
@@ -32,7 +33,6 @@ import com.volmit.iris.util.nbt.mca.palette.MCAPaletteAccess;
 import com.volmit.iris.util.nbt.tag.CompoundTag;
 import org.bukkit.*;
 import org.bukkit.block.Biome;
-import org.bukkit.entity.Dolphin;
 import org.bukkit.entity.Entity;
 import org.bukkit.entity.EntityType;
 import org.bukkit.event.entity.CreatureSpawnEvent;
@@ -40,8 +40,8 @@ import org.bukkit.generator.ChunkGenerator;
 import org.bukkit.generator.structure.Structure;
 import org.bukkit.inventory.ItemStack;

-import java.awt.*;
 import java.awt.Color;
+import java.util.stream.StreamSupport;

 public class NMSBinding1X implements INMSBinding {
    private static final boolean supportsCustomHeight = testCustomHeight();
@@ -113,13 +113,33 @@ public class NMSBinding1X implements INMSBinding {

    @Override
    public KList<String> getStructureKeys() {
-        var list = Registry.STRUCTURE.stream()
+        var list = StreamSupport.stream(Registry.STRUCTURE.spliterator(), false)
                .map(Structure::getKey)
                .map(NamespacedKey::toString)
                .toList();
        return new KList<>(list);
    }

+    @Override
+    public AutoClosing injectLevelStems() {
+        return new AutoClosing(() -> {});
+    }
+
+    @Override
+    public AutoClosing injectUncached(boolean overworld, boolean nether, boolean end) {
+        return injectLevelStems();
+    }
+
+    @Override
+    public boolean missingDimensionTypes(boolean overworld, boolean nether, boolean end) {
+        return false;
+    }
+
+    @Override
+    public void removeCustomDimensions(World world) {
+
+    }
+
    @Override
    public CompoundTag serializeEntity(Entity location) {
        return null;
--- a/core/src/main/java/com/volmit/iris/core/pregenerator/ChunkUpdater.java
+++ b/core/src/main/java/com/volmit/iris/core/pregenerator/ChunkUpdater.java
@@ -1,16 +1,21 @@
 package com.volmit.iris.core.pregenerator;

 import com.volmit.iris.Iris;
+import com.volmit.iris.core.IrisSettings;
+import com.volmit.iris.core.nms.container.Pair;
 import com.volmit.iris.core.tools.IrisToolbelt;
+import com.volmit.iris.engine.data.cache.Cache;
 import com.volmit.iris.engine.framework.Engine;
-import com.volmit.iris.util.collection.KList;
 import com.volmit.iris.util.collection.KMap;
 import com.volmit.iris.util.format.Form;
+import com.volmit.iris.util.mantle.MantleFlag;
 import com.volmit.iris.util.math.M;
+import com.volmit.iris.util.math.Position2;
 import com.volmit.iris.util.math.RollingSequence;
-import com.volmit.iris.util.math.Spiraler;
+import com.volmit.iris.util.profile.LoadBalancer;
 import com.volmit.iris.util.scheduling.J;
 import io.papermc.lib.PaperLib;
+import org.bukkit.Bukkit;
 import org.bukkit.Chunk;
 import org.bukkit.World;

@@ -23,53 +28,40 @@ import java.util.concurrent.atomic.AtomicInteger;
 import java.util.concurrent.atomic.AtomicLong;

 public class ChunkUpdater {
-    private AtomicBoolean paused;
-    private AtomicBoolean cancelled;
-    private KMap<Chunk, Long> lastUse;
-    private final RollingSequence chunksPerSecond;
-    private final AtomicInteger worldheightsize;
-    private final AtomicInteger worldwidthsize;
-    private final AtomicInteger totalChunks;
-    private final AtomicInteger totalMaxChunks;
-    private final AtomicInteger totalMcaregions;
-    private final AtomicInteger position;
-    private AtomicInteger chunksProcessed;
-    private AtomicInteger chunksUpdated;
-    private AtomicLong startTime;
-    private ExecutorService executor;
-    private ExecutorService chunkExecutor;
-    private ScheduledExecutorService scheduler;
-    private CompletableFuture future;
-    private  CountDownLatch latch;
-    private final Object pauseLock;
+    private final AtomicBoolean paused = new AtomicBoolean();
+    private final AtomicBoolean cancelled = new AtomicBoolean();
+    private final KMap<Long, Pair<Long, AtomicInteger>> lastUse = new KMap<>();
+    private final RollingSequence chunksPerSecond = new RollingSequence(5);
+    private final AtomicInteger totalMaxChunks = new AtomicInteger();
+    private final AtomicInteger chunksProcessed = new AtomicInteger();
+    private final AtomicInteger chunksProcessedLast = new AtomicInteger();
+    private final AtomicInteger chunksUpdated = new AtomicInteger();
+    private final AtomicBoolean serverEmpty = new AtomicBoolean(true);
+    private final AtomicLong lastCpsTime = new AtomicLong(M.ms());
+    private final int coreLimit = (int) Math.max(Runtime.getRuntime().availableProcessors() * IrisSettings.get().getUpdater().getThreadMultiplier(), 1);
+    private final Semaphore semaphore = new Semaphore(256);
+    private final LoadBalancer loadBalancer = new LoadBalancer(semaphore, 256, IrisSettings.get().getUpdater().emptyMsRange);
+    private final AtomicLong startTime = new AtomicLong();
+    private final Dimensions dimensions;
+    private final PregenTask task;
+    private final ExecutorService executor = Executors.newFixedThreadPool(coreLimit);
+    private final ExecutorService chunkExecutor = Executors.newFixedThreadPool(coreLimit);
+    private final ScheduledExecutorService scheduler  = Executors.newScheduledThreadPool(1);
+    private final CountDownLatch latch;
    private final Engine engine;
    private final World world;

    public ChunkUpdater(World world) {
        this.engine = IrisToolbelt.access(world).getEngine();
-        this.chunksPerSecond = new RollingSequence(5);
        this.world = world;
-        this.lastUse = new KMap();
-        this.worldheightsize = new AtomicInteger(calculateWorldDimensions(new File(world.getWorldFolder(), "region"), 1));
-        this.worldwidthsize = new AtomicInteger(calculateWorldDimensions(new File(world.getWorldFolder(), "region"), 0));
-        int m = Math.max(worldheightsize.get(), worldwidthsize.get());
-        this.executor = Executors.newFixedThreadPool(Math.max(Runtime.getRuntime().availableProcessors() / 3, 1));
-        this.chunkExecutor = Executors.newFixedThreadPool(Math.max(Runtime.getRuntime().availableProcessors() / 3, 1));
-        this.scheduler = Executors.newScheduledThreadPool(1);
-        this.future = new CompletableFuture<>();
-        this.startTime = new AtomicLong();
-        this.worldheightsize.set(m);
-        this.worldwidthsize.set(m);
-        this.totalMaxChunks = new AtomicInteger((worldheightsize.get() / 16) * (worldwidthsize.get() / 16));
-        this.chunksProcessed = new AtomicInteger();
-        this.chunksUpdated = new AtomicInteger();
-        this.position = new AtomicInteger(0);
+        this.dimensions = calculateWorldDimensions(new File(world.getWorldFolder(), "region"));
+        this.task = dimensions.task();
+        this.totalMaxChunks.set(dimensions.count * 1024);
        this.latch = new CountDownLatch(totalMaxChunks.get());
-        this.paused = new AtomicBoolean(false);
-        this.pauseLock = new Object();
-        this.cancelled = new AtomicBoolean(false);
-        this.totalChunks = new AtomicInteger(0);
-        this.totalMcaregions = new AtomicInteger(0);
+    }
+
+    public String getName() {
+        return world.getName();
    }

    public int getChunks() {
@@ -97,7 +89,6 @@ public class ChunkUpdater {
        cancelled.set(true);
    }

-
    private void update() {
        Iris.info("Updating..");
        try {
@@ -106,11 +97,11 @@ public class ChunkUpdater {
                try {
                    if (!paused.get()) {
                        long eta = computeETA();
-                        long elapsedSeconds = (System.currentTimeMillis() - startTime.get()) / 1000;
                        int processed = chunksProcessed.get();
-                        double cps = elapsedSeconds > 0 ? processed / (double) elapsedSeconds : 0;
+                        double last = processed - chunksProcessedLast.getAndSet(processed);
+                        double cps = last / ((M.ms() - lastCpsTime.getAndSet(M.ms())) / 1000d);
                        chunksPerSecond.put(cps);
-                        double percentage = ((double) chunksProcessed.get() / (double) totalMaxChunks.get()) * 100;
+                        double percentage = ((double) processed / (double) totalMaxChunks.get()) * 100;
                        if (!cancelled.get()) {
                            Iris.info("Updated: " + Form.f(processed) + " of " + Form.f(totalMaxChunks.get()) + " (%.0f%%) " + Form.f(chunksPerSecond.getAverage()) + "/s, ETA: " + Form.duration(eta,
                                    2), percentage);
@@ -120,35 +111,20 @@ public class ChunkUpdater {
                    e.printStackTrace();
                }
            }, 0, 3, TimeUnit.SECONDS);
+            scheduler.scheduleAtFixedRate(this::unloadChunks, 0, 1, TimeUnit.SECONDS);
+            scheduler.scheduleAtFixedRate(() -> {
+                boolean empty = Bukkit.getOnlinePlayers().isEmpty();
+                if (serverEmpty.getAndSet(empty) == empty)
+                    return;
+                loadBalancer.setRange(empty ? IrisSettings.get().getUpdater().emptyMsRange : IrisSettings.get().getUpdater().defaultMsRange);
+            }, 0, 10, TimeUnit.SECONDS);

-            CompletableFuture.runAsync(() -> {
-                for (int i = 0; i < totalMaxChunks.get(); i++) {
-                    if (paused.get()) {
-                        synchronized (pauseLock) {
-                            try {
-                                pauseLock.wait();
-                            } catch (InterruptedException e) {
-                                Iris.error("Interrupted while waiting for executor: ");
-                                e.printStackTrace();
-                                break;
-                            }
-                        }
-                    }
-                    executor.submit(() -> {
-                        if (!cancelled.get()) {
-                            processNextChunk();   
-                        }
-                        latch.countDown();
-                    });
-                }
-            }).thenRun(() -> {
-                try {
-                    latch.await();
-                    close();
-                } catch (Exception e) {
-                    Thread.currentThread().interrupt();
-                }
-            });
+            var t = new Thread(() -> {
+                run();
+                close();
+            }, "Iris Chunk Updater - " + world.getName());
+            t.setPriority(Thread.MAX_PRIORITY);
+            t.start();

        } catch (Exception e) {
            e.printStackTrace();
@@ -157,14 +133,16 @@ public class ChunkUpdater {

    public void close() {
        try {
-            unloadAndSaveAllChunks();
+            loadBalancer.close();
+            semaphore.acquire(256);
+
            executor.shutdown();
            executor.awaitTermination(5, TimeUnit.SECONDS);
            chunkExecutor.shutdown();
            chunkExecutor.awaitTermination(5, TimeUnit.SECONDS);
            scheduler.shutdownNow();
-        } catch (Exception ignored) {
-        }
+            unloadAndSaveAllChunks();
+        } catch (Exception ignored) {}
        if (cancelled.get()) {
            Iris.info("Updated: " + Form.f(chunksUpdated.get()) + " Chunks");
            Iris.info("Irritated: " + Form.f(chunksProcessed.get()) + " of " + Form.f(totalMaxChunks.get()));
@@ -175,18 +153,72 @@ public class ChunkUpdater {
        }
    }

-    private void processNextChunk() {
-        int pos = position.getAndIncrement();
-        int[] coords = getChunk(pos);
-        if (loadChunksIfGenerated(coords[0], coords[1])) {
-            Chunk c = world.getChunkAt(coords[0], coords[1]);
-            engine.updateChunk(c);
-            chunksUpdated.incrementAndGet();
+    private void run() {
+        task.iterateRegions((rX, rZ) -> {
+            if (cancelled.get())
+                return;
+
+            while (paused.get()) {
+                J.sleep(50);
+            }
+
+            if (rX < dimensions.min.getX() || rX > dimensions.max.getX() || rZ < dimensions.min.getZ() || rZ > dimensions.max.getZ()) {
+                return;
+            }
+            if (!new File(world.getWorldFolder(), "region" + File.separator + rX + "." + rZ + ".mca").exists()) {
+                return;
+            }
+
+            task.iterateChunks(rX, rZ, (x, z) -> {
+                while (paused.get() && !cancelled.get()) {
+                    J.sleep(50);
+                }
+
+                try {
+                    semaphore.acquire();
+                } catch (InterruptedException ignored) {
+                    return;
+                }
+                chunkExecutor.submit(() -> {
+                    try {
+                        if (!cancelled.get())
+                            processChunk(x, z);
+                    } finally {
+                        latch.countDown();
+                        semaphore.release();
+                    }
+                });
+            });
+        });
+    }
+
+    private void processChunk(int x, int z) {
+        if (!loadChunksIfGenerated(x, z)) {
+            chunksProcessed.getAndIncrement();
+            return;
+        }
+
+        try {
+            Chunk c = world.getChunkAt(x, z);
+            engine.getMantle().getMantle().getChunk(c);
+            engine.updateChunk(c);
+
+            for (int xx = -1; xx <= 1; xx++) {
+                for (int zz = -1; zz <= 1; zz++) {
+                    var counter = lastUse.get(Cache.key(x + xx, z + zz));
+                    if (counter != null) counter.getB().decrementAndGet();
+                }
+            }
+        } finally {
+            chunksUpdated.incrementAndGet();
+            chunksProcessed.getAndIncrement();
        }
-        chunksProcessed.getAndIncrement();
    }

    private boolean loadChunksIfGenerated(int x, int z) {
+        if (engine.getMantle().getMantle().hasFlag(x, z, MantleFlag.ETCHED))
+            return false;
+
        for (int dx = -1; dx <= 1; dx++) {
            for (int dz = -1; dz <= 1; dz++) {
                if (!PaperLib.isChunkGenerated(world, x + dx, z + dz)) {
@@ -196,45 +228,79 @@ public class ChunkUpdater {
        }

        AtomicBoolean generated = new AtomicBoolean(true);
-        KList<Future<?>> futures = new KList<>(9);
+        CountDownLatch latch = new CountDownLatch(9);
        for (int dx = -1; dx <= 1; dx++) {
            for (int dz = -1; dz <= 1; dz++) {
                int xx = x + dx;
                int zz = z + dz;
-                futures.add(chunkExecutor.submit(() -> {
-                    Chunk c;
+                executor.submit(() -> {
                    try {
-                        c = PaperLib.getChunkAtAsync(world, xx, zz, false).get();
-                    } catch (InterruptedException | ExecutionException e) {
-                        generated.set(false);
-                        return;
-                    }
-                    if (!c.isLoaded()) {
-                        CountDownLatch latch = new CountDownLatch(1);
-                        J.s(() -> {
-                            c.load(false);
-                            latch.countDown();
-                        });
+                        Chunk c;
                        try {
-                            latch.await();
-                        } catch (InterruptedException ignored) {}
+                            c = PaperLib.getChunkAtAsync(world, xx, zz, false, true)
+                                    .thenApply(chunk -> {
+                                        if (chunk != null)
+                                            chunk.addPluginChunkTicket(Iris.instance);
+                                        return chunk;
+                                    }).get();
+                        } catch (InterruptedException | ExecutionException e) {
+                            generated.set(false);
+                            return;
+                        }
+
+                        if (c == null) {
+                            generated.set(false);
+                            return;
+                        }
+
+                        if (!c.isLoaded()) {
+                            var future = J.sfut(() -> c.load(false));
+                            if (future != null) future.join();
+                        }
+
+                        if (!PaperLib.isChunkGenerated(c.getWorld(), xx, zz))
+                            generated.set(false);
+
+                        var pair = lastUse.computeIfAbsent(Cache.key(c), k -> new Pair<>(0L, new AtomicInteger(-1)));
+                        pair.setA(M.ms());
+                        pair.getB().updateAndGet(i -> i == -1 ? 1 : ++i);
+                    } finally {
+                        latch.countDown();
                    }
-                    if (!c.isGenerated()) {
-                        generated.set(false);
-                    }
-                    lastUse.put(c, M.ms());
-                }));
+                });
            }
        }
-        while (!futures.isEmpty()) {
-            futures.removeIf(Future::isDone);
-            try {
-                Thread.sleep(50);
-            } catch (InterruptedException ignored) {}
+
+        try {
+            latch.await();
+        } catch (InterruptedException e) {
+            Iris.info("Interrupted while waiting for chunks to load");
        }
        return generated.get();
    }

+    private synchronized void unloadChunks() {
+        for (var key : new ArrayList<>(lastUse.keySet())) {
+            if (key == null) continue;
+            var pair = lastUse.get(key);
+            if (pair == null) continue;
+            var lastUseTime = pair.getA();
+            var counter = pair.getB();
+            if (lastUseTime == null || counter == null)
+                continue;
+
+            if (M.ms() - lastUseTime >= 5000 && counter.get() == 0) {
+                int x = Cache.keyX(key);
+                int z = Cache.keyZ(key);
+                J.s(() -> {
+                    world.removePluginChunkTicket(x, z, Iris.instance);
+                    world.unloadChunk(x, z);
+                    lastUse.remove(key);
+                });
+            }
+        }
+    }
+
    private void unloadAndSaveAllChunks() {
        try {
            J.sfut(() -> {
@@ -243,13 +309,7 @@ public class ChunkUpdater {
                    return;
                }

-                for (Chunk i : new ArrayList<>(lastUse.keySet())) {
-                    Long lastUseTime = lastUse.get(i);
-                    if (lastUseTime != null && M.ms() - lastUseTime >= 5000) {
-                        i.unload();
-                        lastUse.remove(i);
-                    }
-                }
+                unloadChunks();
                world.save();
            }).get();
        } catch (Throwable e) {
@@ -266,7 +326,7 @@ public class ChunkUpdater {
        );
    }

-    public int calculateWorldDimensions(File regionDir, Integer o) {
+    private Dimensions calculateWorldDimensions(File regionDir) {
        File[] files = regionDir.listFiles((dir, name) -> name.endsWith(".mca"));

        int minX = Integer.MAX_VALUE;
@@ -279,40 +339,23 @@ public class ChunkUpdater {
            int x = Integer.parseInt(parts[1]);
            int z = Integer.parseInt(parts[2]);

-            if (x < minX) minX = x;
-            if (x > maxX) maxX = x;
-            if (z < minZ) minZ = z;
-            if (z > maxZ) maxZ = z;
+            minX = Math.min(minX, x);
+            maxX = Math.max(maxX, x);
+            minZ = Math.min(minZ, z);
+            maxZ = Math.max(maxZ, z);
        }
+        int oX = minX + ((maxX - minX) / 2);
+        int oZ = minZ + ((maxZ - minZ) / 2);

-        int height = (maxX - minX + 1) * 32 * 16;
-        int width = (maxZ - minZ + 1) * 32 * 16;
+        int height = maxX - minX + 1;
+        int width = maxZ - minZ + 1;

-        if (o == 1) {
-            return height;
-        }
-        if (o == 0) {
-            return width;
-        }
-        return 0;
+        return new Dimensions(new Position2(minX, minZ), new Position2(maxX, maxZ), height * width, PregenTask.builder()
+                .radiusZ((int) Math.ceil(width / 2d * 512))
+                .radiusX((int) Math.ceil(height / 2d * 512))
+                .center(new Position2(oX, oZ))
+                .build());
    }

-    public int[] getChunk(int position) {
-        int p = -1;
-        AtomicInteger xx = new AtomicInteger();
-        AtomicInteger zz = new AtomicInteger();
-        Spiraler s = new Spiraler(worldheightsize.get() * 2, worldwidthsize.get() * 2, (x, z) -> {
-            xx.set(x);
-            zz.set(z);
-        });
-
-        while (s.hasNext() && p++ < position) {
-            s.next();
-        }
-        int[] coords = new int[2];
-        coords[0] = xx.get();
-        coords[1] = zz.get();
-
-        return coords;
-    }
+    private record Dimensions(Position2 min, Position2 max, int count, PregenTask task) { }
 }
--- a/core/src/main/java/com/volmit/iris/core/pregenerator/DeepSearchPregenerator.java
+++ b/core/src/main/java/com/volmit/iris/core/pregenerator/DeepSearchPregenerator.java
@@ -15,7 +15,6 @@ import com.volmit.iris.util.math.RollingSequence;
 import com.volmit.iris.util.math.Spiraler;
 import com.volmit.iris.util.scheduling.ChronoLatch;
 import com.volmit.iris.util.scheduling.J;
-import lombok.Builder;
 import lombok.Data;
 import lombok.Getter;
 import org.bukkit.Bukkit;
@@ -261,14 +260,14 @@ public class DeepSearchPregenerator extends Thread implements Listener {
    }

    @Data
-    @Builder
+    @lombok.Builder
    public static class DeepSearchJob {
        private World world;
-        @Builder.Default
+        @lombok.Builder.Default
        private int radiusBlocks = 5000;
-        @Builder.Default
+        @lombok.Builder.Default
        private int position = 0;
-        @Builder.Default
+        @lombok.Builder.Default
        boolean paused = false;
    }
 }
--- a/core/src/main/java/com/volmit/iris/core/pregenerator/IrisPregenerator.java
+++ b/core/src/main/java/com/volmit/iris/core/pregenerator/IrisPregenerator.java
@@ -19,7 +19,6 @@
 package com.volmit.iris.core.pregenerator;

 import com.volmit.iris.Iris;
-import com.volmit.iris.core.pack.IrisPack;
 import com.volmit.iris.core.tools.IrisPackBenchmarking;
 import com.volmit.iris.util.collection.KList;
 import com.volmit.iris.util.collection.KSet;
@@ -83,7 +82,7 @@ public class IrisPregenerator {
        generatedLast = new AtomicInteger(0);
        generatedLastMinute = new AtomicInteger(0);
        totalChunks = new AtomicInteger(0);
-        task.iterateRegions((_a, _b) -> totalChunks.addAndGet(1024));
+        task.iterateAllChunks((_a, _b) -> totalChunks.incrementAndGet());
        startTime = new AtomicLong(M.ms());
        ticker = new Looper() {
            @Override
@@ -194,7 +193,7 @@ public class IrisPregenerator {
        } else if (!regions) {
            hit = true;
            listener.onRegionGenerating(x, z);
-            PregenTask.iterateRegion(x, z, (xx, zz) -> {
+            task.iterateChunks(x, z, (xx, zz) -> {
                while (paused.get() && !shutdown.get()) {
                    J.sleep(50);
                }
--- a/core/src/main/java/com/volmit/iris/core/pregenerator/LazyPregenerator.java
+++ b/core/src/main/java/com/volmit/iris/core/pregenerator/LazyPregenerator.java
@@ -12,7 +12,6 @@ import com.volmit.iris.util.math.Spiraler;
 import com.volmit.iris.util.scheduling.ChronoLatch;
 import com.volmit.iris.util.scheduling.J;
 import io.papermc.lib.PaperLib;
-import lombok.Builder;
 import lombok.Data;
 import lombok.Getter;
 import org.bukkit.Bukkit;
@@ -264,22 +263,22 @@ public class LazyPregenerator extends Thread implements Listener {
    }

    @Data
-    @Builder
+    @lombok.Builder
    public static class LazyPregenJob {
        private String world;
-        @Builder.Default
+        @lombok.Builder.Default
        private int healingPosition = 0;
-        @Builder.Default
+        @lombok.Builder.Default
        private boolean healing = false;
-        @Builder.Default
+        @lombok.Builder.Default
        private int chunksPerMinute = 32;
-        @Builder.Default
+        @lombok.Builder.Default
        private int radiusBlocks = 5000;
-        @Builder.Default
+        @lombok.Builder.Default
        private int position = 0;
-        @Builder.Default
+        @lombok.Builder.Default
        boolean silent = false;
-        @Builder.Default
+        @lombok.Builder.Default
        boolean paused = false;
    }
 }
--- a/core/src/main/java/com/volmit/iris/core/pregenerator/PregenTask.java
+++ b/core/src/main/java/com/volmit/iris/core/pregenerator/PregenTask.java
@@ -32,17 +32,26 @@ import java.util.Comparator;
@Data
 public class PregenTask {
    private static final Position2 ZERO = new Position2(0, 0);
-    private static final KList<Position2> ORDER_CENTER = computeChunkOrder();
    private static final KMap<Position2, KList<Position2>> ORDERS = new KMap<>();

    @Builder.Default
-    private boolean gui = false;
+    private final boolean gui = false;
    @Builder.Default
-    private Position2 center = new Position2(0, 0);
+    private final Position2 center = new Position2(0, 0);
    @Builder.Default
-    private int width = 1;
+    private final int radiusX = 1;
    @Builder.Default
-    private int height = 1;
+    private final int radiusZ = 1;
+
+    private final Bounds bounds = new Bounds();
+
+    protected PregenTask(boolean gui, Position2 center, int radiusX, int radiusZ) {
+        this.gui = gui;
+        this.center = new ProxiedPos(center);
+        this.radiusX = radiusX;
+        this.radiusZ = radiusZ;
+        bounds.update();
+    }

    public static void iterateRegion(int xr, int zr, Spiraled s, Position2 pull) {
        for (Position2 i : ORDERS.computeIfAbsent(pull, PregenTask::computeOrder)) {
@@ -70,29 +79,72 @@ public class PregenTask {
        return p;
    }

-    private static KList<Position2> computeChunkOrder() {
-        Position2 center = new Position2(15, 15);
-        KList<Position2> p = new KList<>();
-        new Spiraler(33, 33, (x, z) -> {
-            int xx = x + 15;
-            int zz = z + 15;
-            if (xx < 0 || xx > 31 || zz < 0 || zz > 31) {
-                return;
-            }
-
-            p.add(new Position2(xx, zz));
-        }).drain();
-        p.sort(Comparator.comparing((i) -> i.distance(center)));
-        return p;
+    public void iterateRegions(Spiraled s) {
+        var bound = bounds.region();
+        new Spiraler(bound.sizeX, bound.sizeZ, ((x, z) -> {
+            if (bound.check(x, z)) s.on(x, z);
+        })).setOffset(center.getX() >> 9, center.getZ() >> 9).drain();
    }

-    public void iterateRegions(Spiraled s) {
-        new Spiraler(getWidth() * 2, getHeight() * 2, s)
-                .setOffset(center.getX(), center.getZ()).drain();
+    public void iterateChunks(int rX, int rZ, Spiraled s) {
+        var bound = bounds.chunk();
+        iterateRegion(rX, rZ, ((x, z) -> {
+            if (bound.check(x, z)) s.on(x, z);
+        }));
    }

    public void iterateAllChunks(Spiraled s) {
-        new Spiraler(getWidth() * 2, getHeight() * 2, (x, z) -> iterateRegion(x, z, s))
-                .setOffset(center.getX(), center.getZ()).drain();
+        iterateRegions(((rX, rZ) -> iterateChunks(rX, rZ, s)));
+    }
+
+    private class Bounds {
+        private Bound chunk = null;
+        private Bound region = null;
+
+        public void update() {
+            int maxX = center.getX() + radiusX;
+            int maxZ = center.getZ() + radiusZ;
+            int minX = center.getX() - radiusX;
+            int minZ = center.getZ() - radiusZ;
+
+            chunk = new Bound(minX >> 4, minZ >> 4, Math.ceilDiv(maxX, 16), Math.ceilDiv(maxZ, 16));
+            region = new Bound(minX >> 9, minZ >> 9, Math.ceilDiv(maxX, 512), Math.ceilDiv(maxZ, 512));
+        }
+
+        public Bound chunk() {
+            if (chunk == null) update();
+            return chunk;
+        }
+
+        public Bound region() {
+            if (region == null) update();
+            return region;
+        }
+    }
+
+    private record Bound(int minX, int maxX, int minZ, int maxZ, int sizeX, int sizeZ) {
+        private Bound(int minX, int minZ, int maxX, int maxZ) {
+            this(minX, maxX, minZ, maxZ, maxZ - minZ + 1, maxZ - minZ + 1);
+        }
+
+        boolean check(int x, int z) {
+            return x >= minX && x <= maxX && z >= minZ && z <= maxZ;
+        }
+    }
+
+    private static class ProxiedPos extends Position2 {
+        public ProxiedPos(Position2 p) {
+            super(p.getX(), p.getZ());
+        }
+
+        @Override
+        public void setX(int x) {
+            throw new IllegalStateException("This Position2 may not be modified");
+        }
+
+        @Override
+        public void setZ(int z) {
+            throw new IllegalStateException("This Position2 may not be modified");
+        }
    }
 }
--- a/core/src/main/java/com/volmit/iris/core/pregenerator/TurboPregenerator.java
+++ b/core/src/main/java/com/volmit/iris/core/pregenerator/TurboPregenerator.java
@@ -18,7 +18,6 @@ import com.volmit.iris.util.scheduling.ChronoLatch;
 import com.volmit.iris.util.scheduling.J;
 import com.volmit.iris.util.scheduling.PrecisionStopwatch;
 import io.papermc.lib.PaperLib;
-import lombok.Builder;
 import lombok.Data;
 import lombok.Getter;
 import org.apache.logging.log4j.core.util.ExecutorServices;
@@ -328,14 +327,14 @@ public class TurboPregenerator extends Thread implements Listener {
    }

    @Data
-    @Builder
+    @lombok.Builder
    public static class TurboPregenJob {
        private String world;
-        @Builder.Default
+        @lombok.Builder.Default
        private int radiusBlocks = 5000;
-        @Builder.Default
+        @lombok.Builder.Default
        private int position = 0;
-        @Builder.Default
+        @lombok.Builder.Default
        boolean paused = false;
    }
 }
--- a/core/src/main/java/com/volmit/iris/core/pregenerator/methods/AsyncPregenMethod.java
+++ b/core/src/main/java/com/volmit/iris/core/pregenerator/methods/AsyncPregenMethod.java
@@ -22,7 +22,6 @@ import com.volmit.iris.Iris;
 import com.volmit.iris.core.pregenerator.PregenListener;
 import com.volmit.iris.core.pregenerator.PregeneratorMethod;
 import com.volmit.iris.core.tools.IrisToolbelt;
-import com.volmit.iris.util.collection.KList;
 import com.volmit.iris.util.collection.KMap;
 import com.volmit.iris.util.mantle.Mantle;
 import com.volmit.iris.util.math.M;
@@ -34,12 +33,12 @@ import org.bukkit.World;

 import java.util.ArrayList;
 import java.util.Map;
-import java.util.concurrent.Future;
+import java.util.concurrent.Semaphore;

 public class AsyncPregenMethod implements PregeneratorMethod {
    private final World world;
    private final MultiBurst burst;
-    private final KList<Future<?>> future;
+    private final Semaphore semaphore;
    private final Map<Chunk, Long> lastUse;

    public AsyncPregenMethod(World world, int threads) {
@@ -49,7 +48,7 @@ public class AsyncPregenMethod implements PregeneratorMethod {

        this.world = world;
        burst = new MultiBurst("Iris Async Pregen", Thread.MIN_PRIORITY);
-        future = new KList<>(256);
+        semaphore = new Semaphore(256);
        this.lastUse = new KMap<>();
    }

@@ -63,7 +62,7 @@ public class AsyncPregenMethod implements PregeneratorMethod {

                for (Chunk i : new ArrayList<>(lastUse.keySet())) {
                    Long lastUseTime = lastUse.get(i);
-                    if (lastUseTime != null && M.ms() - lastUseTime >= 10000) {
+                    if (!i.isLoaded() || (lastUseTime != null && M.ms() - lastUseTime >= 10000)) {
                        i.unload();
                        lastUse.remove(i);
                    }
@@ -85,37 +84,8 @@ public class AsyncPregenMethod implements PregeneratorMethod {
        } catch (InterruptedException ignored) {
        } catch (Throwable e) {
            e.printStackTrace();
-        }
-    }
-
-    private void waitForChunksPartial(int maxWaiting) {
-        while (future.size() > maxWaiting) {
-            try {
-                Future<?> i = future.remove(0);
-
-                if (i == null) {
-                    continue;
-                }
-
-                i.get();
-            } catch (Throwable e) {
-                e.printStackTrace();
-            }
-        }
-    }
-
-    private void waitForChunks() {
-        for (Future<?> i : future.copy()) {
-            if (i == null) {
-                continue;
-            }
-
-            try {
-                i.get();
-                future.remove(i);
-            } catch (Throwable e) {
-                e.printStackTrace();
-            }
+        } finally {
+            semaphore.release();
        }
    }

@@ -131,14 +101,13 @@ public class AsyncPregenMethod implements PregeneratorMethod {

    @Override
    public void close() {
-        waitForChunks();
+        semaphore.acquireUninterruptibly(256);
        unloadAndSaveAllChunks();
        burst.close();
    }

    @Override
    public void save() {
-        waitForChunksPartial(256);
        unloadAndSaveAllChunks();
    }

@@ -155,10 +124,12 @@ public class AsyncPregenMethod implements PregeneratorMethod {
    @Override
    public void generateChunk(int x, int z, PregenListener listener) {
        listener.onChunkGenerating(x, z);
-        if (future.size() > 256) {
-            waitForChunksPartial(256);
+        try {
+            semaphore.acquire();
+        } catch (InterruptedException e) {
+            return;
        }
-        future.add(burst.complete(() -> completeChunk(x, z, listener)));
+        burst.complete(() -> completeChunk(x, z, listener));
    }

    @Override
--- a/core/src/main/java/com/volmit/iris/core/project/SchemaBuilder.java
+++ b/core/src/main/java/com/volmit/iris/core/project/SchemaBuilder.java
@@ -22,21 +22,23 @@ import com.volmit.iris.Iris;
 import com.volmit.iris.core.loader.IrisData;
 import com.volmit.iris.core.loader.IrisRegistrant;
 import com.volmit.iris.core.loader.ResourceLoader;
-import com.volmit.iris.engine.framework.ListFunction;
 import com.volmit.iris.engine.object.annotations.*;
 import com.volmit.iris.util.collection.KList;
 import com.volmit.iris.util.collection.KMap;
 import com.volmit.iris.util.data.B;
 import com.volmit.iris.util.json.JSONArray;
 import com.volmit.iris.util.json.JSONObject;
+import com.volmit.iris.util.reflect.OldEnum;
 import org.bukkit.enchantments.Enchantment;
 import org.bukkit.potion.PotionEffectType;
+import org.jetbrains.annotations.NotNull;

 import java.awt.*;
 import java.lang.reflect.Field;
 import java.lang.reflect.Modifier;
 import java.util.List;
 import java.util.Map;
+import java.util.function.Function;
 import java.util.stream.Collectors;

 public class SchemaBuilder {
@@ -44,7 +46,6 @@ public class SchemaBuilder {
    private static final String SYMBOL_TYPE__N = "";
    private static final JSONArray POTION_TYPES = getPotionTypes();
    private static final JSONArray ENCHANT_TYPES = getEnchantTypes();
-    private static final JSONArray ITEM_TYPES = new JSONArray(B.getItemTypes());
    private static final JSONArray FONT_TYPES = new JSONArray(GraphicsEnvironment.getLocalGraphicsEnvironment().getAvailableFontFamilyNames());
    private final KMap<String, JSONObject> definitions;
    private final Class<?> root;
@@ -262,7 +263,7 @@ public class SchemaBuilder {

                    if (!definitions.containsKey(key)) {
                        JSONObject j = new JSONObject();
-                        j.put("enum", ITEM_TYPES);
+                        j.put("enum", B.getItemTypes());
                        definitions.put(key, j);
                    }

@@ -342,38 +343,9 @@ public class SchemaBuilder {
                    description.add(SYMBOL_TYPE__N + "  Must be a valid Potion Effect Type (use ctrl+space for auto complete!)");

                } else if (k.getType().isEnum()) {
-                    fancyType = k.getType().getSimpleName().replaceAll("\\QIris\\E", "");
-                    JSONArray a = new JSONArray();
-                    boolean advanced = k.getType().isAnnotationPresent(Desc.class);
-                    for (Object gg : k.getType().getEnumConstants()) {
-                        if (advanced) {
-                            try {
-                                JSONObject j = new JSONObject();
-                                String name = ((Enum<?>) gg).name();
-                                j.put("const", name);
-                                Desc dd = k.getType().getField(name).getAnnotation(Desc.class);
-                                j.put("description", dd == null ? ("No Description for " + name) : dd.value());
-                                a.put(j);
-                            } catch (Throwable e) {
-                                Iris.reportError(e);
-                                e.printStackTrace();
-                            }
-                        } else {
-                            a.put(((Enum<?>) gg).name());
-                        }
-                    }
-
-                    String key = (advanced ? "oneof-" : "") + "enum-" + k.getType().getCanonicalName().replaceAll("\\Q.\\E", "-").toLowerCase();
-
-                    if (!definitions.containsKey(key)) {
-                        JSONObject j = new JSONObject();
-                        j.put(advanced ? "oneOf" : "enum", a);
-                        definitions.put(key, j);
-                    }
-
-                    prop.put("$ref", "#/definitions/" + key);
-                    description.add(SYMBOL_TYPE__N + "  Must be a valid " + k.getType().getSimpleName().replaceAll("\\QIris\\E", "") + " (use ctrl+space for auto complete!)");
-
+                    fancyType = addEnum(k.getType(), prop, description, k.getType().getEnumConstants(), o -> ((Enum<?>) o).name());
+                } else if (OldEnum.isOldEnum(k.getType())) {
+                    fancyType = addEnum(k.getType(), prop, description, OldEnum.values(k.getType()), OldEnum::name);
                }
            }
            case "object" -> {
@@ -468,7 +440,7 @@ public class SchemaBuilder {

                                if (!definitions.containsKey(key)) {
                                    JSONObject j = new JSONObject();
-                                    j.put("enum", ITEM_TYPES);
+                                    j.put("enum", B.getItemTypes());
                                    definitions.put(key, j);
                                }

@@ -519,39 +491,9 @@ public class SchemaBuilder {
                                prop.put("items", items);
                                description.add(SYMBOL_TYPE__N + "  Must be a valid Potion Effect Type (use ctrl+space for auto complete!)");
                            } else if (t.type().isEnum()) {
-                                fancyType = "List of " + t.type().getSimpleName().replaceAll("\\QIris\\E", "") + "s";
-                                JSONArray a = new JSONArray();
-                                boolean advanced = t.type().isAnnotationPresent(Desc.class);
-                                for (Object gg : t.type().getEnumConstants()) {
-                                    if (advanced) {
-                                        try {
-                                            JSONObject j = new JSONObject();
-                                            String name = ((Enum<?>) gg).name();
-                                            j.put("const", name);
-                                            Desc dd = t.type().getField(name).getAnnotation(Desc.class);
-                                            j.put("description", dd == null ? ("No Description for " + name) : dd.value());
-                                            a.put(j);
-                                        } catch (Throwable e) {
-                                            Iris.reportError(e);
-                                            e.printStackTrace();
-                                        }
-                                    } else {
-                                        a.put(((Enum<?>) gg).name());
-                                    }
-                                }
-
-                                String key = (advanced ? "oneof-" : "") + "enum-" + t.type().getCanonicalName().replaceAll("\\Q.\\E", "-").toLowerCase();
-
-                                if (!definitions.containsKey(key)) {
-                                    JSONObject j = new JSONObject();
-                                    j.put(advanced ? "oneOf" : "enum", a);
-                                    definitions.put(key, j);
-                                }
-
-                                JSONObject items = new JSONObject();
-                                items.put("$ref", "#/definitions/" + key);
-                                prop.put("items", items);
-                                description.add(SYMBOL_TYPE__N + "  Must be a valid " + t.type().getSimpleName().replaceAll("\\QIris\\E", "") + " (use ctrl+space for auto complete!)");
+                                fancyType = addEnumList(prop, description, t, t.type().getEnumConstants(), o -> ((Enum<?>) o).name());
+                            } else if (OldEnum.isOldEnum(t.type())) {
+                                fancyType = addEnumList(prop, description, t, OldEnum.values(t.type()), OldEnum::name);
                            }
                        }
                    }
@@ -584,7 +526,7 @@ public class SchemaBuilder {
                if (value instanceof List) {
                    d.add("    ");
                    d.add("* Default Value is an empty list");
-                } else if (!cl.isPrimitive() && !(value instanceof Number) && !(value instanceof String) && !(cl.isEnum())) {
+                } else if (!cl.isPrimitive() && !(value instanceof Number) && !(value instanceof String) && !(cl.isEnum()) && !OldEnum.isOldEnum(cl)) {
                    d.add("    ");
                    d.add("* Default Value is a default object (create this object to see default properties)");
                } else {
@@ -630,6 +572,50 @@ public class SchemaBuilder {
        return prop;
    }

+    @NotNull
+    private String addEnumList(JSONObject prop, KList<String> description, ArrayType t, Object[] values, Function<Object, String> function) {
+        JSONObject items = new JSONObject();
+        var s = addEnum(t.type(), items, description, values, function);
+        prop.put("items", items);
+
+        return "List of " + s + "s";
+    }
+
+    @NotNull
+    private String addEnum(Class<?> type, JSONObject prop, KList<String> description, Object[] values, Function<Object, String> function) {
+        JSONArray a = new JSONArray();
+        boolean advanced = type.isAnnotationPresent(Desc.class);
+        for (Object gg : values) {
+            if (advanced) {
+                try {
+                    JSONObject j = new JSONObject();
+                    String name = function.apply(gg);
+                    j.put("const", name);
+                    Desc dd = type.getField(name).getAnnotation(Desc.class);
+                    j.put("description", dd == null ? ("No Description for " + name) : dd.value());
+                    a.put(j);
+                } catch (Throwable e) {
+                    Iris.reportError(e);
+                    e.printStackTrace();
+                }
+            } else {
+                a.put(function.apply(gg));
+            }
+        }
+
+        String key = (advanced ? "oneof-" : "") + "enum-" + type.getCanonicalName().replaceAll("\\Q.\\E", "-").toLowerCase();
+
+        if (!definitions.containsKey(key)) {
+            JSONObject j = new JSONObject();
+            j.put(advanced ? "oneOf" : "enum", a);
+            definitions.put(key, j);
+        }
+
+        prop.put("$ref", "#/definitions/" + key);
+        description.add(SYMBOL_TYPE__N + "  Must be a valid " + type.getSimpleName().replaceAll("\\QIris\\E", "") + " (use ctrl+space for auto complete!)");
+        return type.getSimpleName().replaceAll("\\QIris\\E", "");
+    }
+
    private String getType(Class<?> c) {
        if (c.equals(int.class) || c.equals(Integer.class) || c.equals(long.class) || c.equals(Long.class)) {
            return "integer";
@@ -643,7 +629,7 @@ public class SchemaBuilder {
            return "boolean";
        }

-        if (c.equals(String.class) || c.isEnum() || c.equals(Enchantment.class) || c.equals(PotionEffectType.class)) {
+        if (c.equals(String.class) || c.isEnum() || OldEnum.isOldEnum(c) || c.equals(Enchantment.class) || c.equals(PotionEffectType.class)) {
            return "string";
        }

--- a/core/src/main/java/com/volmit/iris/core/safeguard/IrisSafeguard.java
+++ b/core/src/main/java/com/volmit/iris/core/safeguard/IrisSafeguard.java
@@ -1,6 +1,7 @@
 package com.volmit.iris.core.safeguard;

 import com.volmit.iris.Iris;
+import com.volmit.iris.core.IrisSettings;

 public class IrisSafeguard {
    public static boolean unstablemode = false;
@@ -11,5 +12,13 @@ public class IrisSafeguard {
        Iris.info("Enabled Iris SafeGuard");
        ServerBootSFG.BootCheck();
    }
+
+    public static void earlySplash() {
+        if (ServerBootSFG.safeguardPassed || IrisSettings.get().getGeneral().DoomsdayAnnihilationSelfDestructMode)
+            return;
+
+        Iris.instance.splash();
+        UtilsSFG.splash();
+    }
 }

--- a/core/src/main/java/com/volmit/iris/core/safeguard/ServerBootSFG.java
+++ b/core/src/main/java/com/volmit/iris/core/safeguard/ServerBootSFG.java
@@ -3,6 +3,7 @@ package com.volmit.iris.core.safeguard;
 import com.volmit.iris.Iris;
 import com.volmit.iris.core.nms.INMS;
 import com.volmit.iris.core.nms.v1X.NMSBinding1X;
+import com.volmit.iris.engine.object.IrisContextInjector;
 import org.bukkit.Bukkit;
 import org.bukkit.plugin.Plugin;
 import org.bukkit.plugin.PluginManager;
@@ -20,16 +21,16 @@ import java.util.Map;
 import java.util.StringJoiner;

 import static com.volmit.iris.Iris.getJavaVersion;
-import static com.volmit.iris.Iris.instance;
 import static com.volmit.iris.core.safeguard.IrisSafeguard.*;

 public class ServerBootSFG {
    public static final Map<String, Boolean> incompatibilities = new HashMap<>();
-    public static boolean isJDK17 = true;
+    public static boolean isCorrectJDK = true;
    public static boolean hasEnoughDiskSpace = true;
    public static boolean isJRE = false;
    public static boolean hasPrivileges = true;
    public static boolean unsuportedversion = false;
+    public static boolean missingDimensionTypes = false;
    protected static boolean safeguardPassed;
    public static boolean passedserversoftware = true;
    protected static int count;
@@ -87,8 +88,8 @@ public class ServerBootSFG {
            severityHigh++;
        }

-        if (!List.of(17, 21).contains(getJavaVersion())) {
-            isJDK17 = false;
+        if (!List.of(21).contains(getJavaVersion())) {
+            isCorrectJDK = false;
            joiner.add("Unsupported Java version");
            severityMedium++;
        }
@@ -111,6 +112,12 @@ public class ServerBootSFG {
            severityMedium++;
        }

+        if (IrisContextInjector.isMissingDimensionTypes()) {
+            missingDimensionTypes = true;
+            joiner.add("Missing Dimension Types");
+            severityHigh++;
+        }
+
        allIncompatibilities = joiner.toString();

        safeguardPassed = (severityHigh == 0 && severityMedium == 0 && severityLow == 0);
--- a/core/src/main/java/com/volmit/iris/core/safeguard/UtilsSFG.java
+++ b/core/src/main/java/com/volmit/iris/core/safeguard/UtilsSFG.java
@@ -37,7 +37,12 @@ public class UtilsSFG {
            }
            if (ServerBootSFG.unsuportedversion) {
                Iris.safeguard(C.RED + "Server Version");
-                Iris.safeguard(C.RED + "- Iris only supports 1.19.2 > 1.21.1");
+                Iris.safeguard(C.RED + "- Iris only supports 1.20.1 > 1.21.4");
+            }
+            if (ServerBootSFG.missingDimensionTypes) {
+                Iris.safeguard(C.RED + "Dimension Types");
+                Iris.safeguard(C.RED + "- Required Iris dimension types were not loaded.");
+                Iris.safeguard(C.RED + "- If this still happens after a restart please contact support.");
            }
            if (!ServerBootSFG.passedserversoftware) {
                Iris.safeguard(C.YELLOW + "Unsupported Server Software");
@@ -51,13 +56,13 @@ public class UtilsSFG {
                Iris.safeguard(C.YELLOW + "Insufficient Disk Space");
                Iris.safeguard(C.YELLOW + "- The server has insufficient Free DiskSpace to run iris required 3GB+.");
            }
-            if (!ServerBootSFG.isJDK17) {
+            if (!ServerBootSFG.isCorrectJDK) {
                Iris.safeguard(C.YELLOW + "Unsupported java version");
-                Iris.safeguard(C.YELLOW + "- Please consider using JDK 17 (or 21 for 1.20.6) Instead of JDK " + Iris.getJavaVersion());
+                Iris.safeguard(C.YELLOW + "- Please consider using JDK 21 Instead of JDK " + Iris.getJavaVersion());
            }
            if (ServerBootSFG.isJRE) {
                Iris.safeguard(C.YELLOW + "Unsupported Server JDK");
-                Iris.safeguard(C.YELLOW + "- Please consider using JDK 17 (or 21 for 1.20.6) Instead of JRE " + Iris.getJavaVersion());
+                Iris.safeguard(C.YELLOW + "- Please consider using JDK 21 Instead of JRE " + Iris.getJavaVersion());
            }
        }
    }
--- a/core/src/main/java/com/volmit/iris/core/service/BoardSVC.java
+++ b/core/src/main/java/com/volmit/iris/core/service/BoardSVC.java
@@ -40,6 +40,7 @@ import org.bukkit.event.player.PlayerChangedWorldEvent;
 import org.bukkit.event.player.PlayerJoinEvent;

 import java.util.List;
+import java.util.concurrent.CopyOnWriteArrayList;

 public class BoardSVC implements IrisService, BoardProvider {
    private final KMap<Player, PlayerBoard> boards = new KMap<>();
@@ -104,11 +105,11 @@ public class BoardSVC implements IrisService, BoardProvider {
    @Data
    public static class PlayerBoard {
        private final Player player;
-        private final KList<String> lines;
+        private final CopyOnWriteArrayList<String> lines;

        public PlayerBoard(Player player) {
            this.player = player;
-            this.lines = new KList<>();
+            this.lines = new CopyOnWriteArrayList<>();
            update();
        }

--- a/core/src/main/java/com/volmit/iris/core/service/ExternalDataSVC.java
+++ b/core/src/main/java/com/volmit/iris/core/service/ExternalDataSVC.java
@@ -26,6 +26,7 @@ import com.volmit.iris.util.collection.KList;
 import com.volmit.iris.util.collection.KMap;
 import com.volmit.iris.util.plugin.IrisService;
 import lombok.Data;
+import lombok.NonNull;
 import org.bukkit.Bukkit;
 import org.bukkit.block.Block;
 import org.bukkit.block.data.BlockData;
@@ -46,9 +47,13 @@ public class ExternalDataSVC implements IrisService {
        Iris.info("Loading ExternalDataProvider...");
        Bukkit.getPluginManager().registerEvents(this, Iris.instance);

-        providers.add(new OraxenDataProvider());
-        if (Bukkit.getPluginManager().getPlugin("Oraxen") != null) {
-            Iris.info("Oraxen found, loading OraxenDataProvider...");
+        providers.add(new NexoDataProvider());
+        if (Bukkit.getPluginManager().getPlugin("Nexo") != null) {
+            Iris.info("Nexo found, loading NexoDataProvider...");
+        }
+        providers.add(new MythicCrucibleDataProvider());
+        if (Bukkit.getPluginManager().getPlugin("MythicCrucible") != null) {
+            Iris.info("MythicCrucible found, loading MythicCrucibleDataProvider...");
        }
        providers.add(new ItemAdderDataProvider());
        if (Bukkit.getPluginManager().getPlugin("ItemAdder") != null) {
@@ -95,6 +100,18 @@ public class ExternalDataSVC implements IrisService {
        }
    }

+    public void registerProvider(@NonNull ExternalDataProvider provider) {
+        String plugin = provider.getPluginId();
+        if (providers.stream().map(ExternalDataProvider::getPluginId).anyMatch(plugin::equals))
+            throw new IllegalArgumentException("A provider with the same plugin id already exists.");
+
+        providers.add(provider);
+        if (provider.isReady()) {
+            activeProviders.add(provider);
+            provider.init();
+        }
+    }
+
    public Optional<BlockData> getBlockData(final Identifier key) {
        var pair = parseState(key);
        Identifier mod = pair.getA();
--- a/core/src/main/java/com/volmit/iris/core/service/IrisEngineSVC.java
+++ b/core/src/main/java/com/volmit/iris/core/service/IrisEngineSVC.java
@@ -1,317 +0,0 @@
-package com.volmit.iris.core.service;
-
-import com.volmit.iris.Iris;
-import com.volmit.iris.core.IrisSettings;
-import com.volmit.iris.core.tools.IrisToolbelt;
-import com.volmit.iris.engine.framework.Engine;
-import com.volmit.iris.engine.platform.PlatformChunkGenerator;
-import com.volmit.iris.util.collection.KList;
-import com.volmit.iris.util.collection.KMap;
-import com.volmit.iris.util.format.C;
-import com.volmit.iris.util.format.Form;
-import com.volmit.iris.util.mantle.TectonicPlate;
-import com.volmit.iris.util.misc.getHardware;
-import com.volmit.iris.util.plugin.IrisService;
-import com.volmit.iris.util.scheduling.ChronoLatch;
-import com.volmit.iris.util.scheduling.Looper;
-import com.volmit.iris.util.scheduling.PrecisionStopwatch;
-import org.bukkit.Bukkit;
-import org.bukkit.World;
-import org.bukkit.event.EventHandler;
-import org.bukkit.event.server.PluginDisableEvent;
-import org.bukkit.event.server.ServerLoadEvent;
-import org.bukkit.event.world.WorldLoadEvent;
-import org.bukkit.event.world.WorldUnloadEvent;
-import org.checkerframework.checker.units.qual.A;
-
-import java.util.*;
-import java.util.concurrent.atomic.AtomicBoolean;
-import java.util.concurrent.atomic.AtomicInteger;
-import java.util.concurrent.atomic.AtomicLong;
-import java.util.concurrent.locks.ReentrantLock;
-import java.util.function.Supplier;
-
-public class IrisEngineSVC implements IrisService {
-    public static IrisEngineSVC instance;
-    public boolean isServerShuttingDown = false;
-    public boolean isServerLoaded = false;
-    private static final AtomicInteger tectonicLimit = new AtomicInteger(30);
-    private ReentrantLock lastUseLock;
-    private KMap<World, Long> lastUse;
-    private List<World> IrisWorlds;
-    private Looper cacheTicker;
-    private Looper trimTicker;
-    private Looper unloadTicker;
-    private Looper updateTicker;
-    private PrecisionStopwatch trimAlive;
-    private PrecisionStopwatch unloadAlive;
-    public PrecisionStopwatch trimActiveAlive;
-    public PrecisionStopwatch unloadActiveAlive;
-    private AtomicInteger TotalTectonicPlates;
-    private AtomicInteger TotalQueuedTectonicPlates;
-    private AtomicInteger TotalNotQueuedTectonicPlates;
-    private AtomicBoolean IsUnloadAlive;
-    private AtomicBoolean IsTrimAlive;
-    ChronoLatch cl;
-
-    public List<World> corruptedIrisWorlds = new ArrayList<>();
-
-    @Override
-    public void onEnable() {
-        this.cl = new ChronoLatch(5000);
-        lastUse = new KMap<>();
-        lastUseLock = new ReentrantLock();
-        IrisWorlds = new ArrayList<>();
-        IsUnloadAlive = new AtomicBoolean(true);
-        IsTrimAlive = new AtomicBoolean(true);
-        trimActiveAlive = new PrecisionStopwatch();
-        unloadActiveAlive = new PrecisionStopwatch();
-        trimAlive = new PrecisionStopwatch();
-        unloadAlive = new PrecisionStopwatch();
-        TotalTectonicPlates = new AtomicInteger();
-        TotalQueuedTectonicPlates = new AtomicInteger();
-        TotalNotQueuedTectonicPlates = new AtomicInteger();
-        tectonicLimit.set(2);
-        long t = getHardware.getProcessMemory();
-        while (t > 200) {
-            tectonicLimit.getAndAdd(1);
-            t = t - 200;
-        }
-        this.setup();
-        this.TrimLogic();
-        this.UnloadLogic();
-
-        trimAlive.begin();
-        unloadAlive.begin();
-        trimActiveAlive.begin();
-        unloadActiveAlive.begin();
-
-        updateTicker.start();
-        cacheTicker.start();
-        //trimTicker.start();
-        //unloadTicker.start();
-        instance = this;
-
-    }
-
-    public void engineStatus() {
-        boolean trimAlive = trimTicker.isAlive();
-        boolean unloadAlive = unloadTicker.isAlive();
-        Iris.info("Status:");
-        Iris.info("- Trim: " + trimAlive);
-        Iris.info("- Unload: " + unloadAlive);
-
-    }
-
-    public static int getTectonicLimit() {
-        return tectonicLimit.get();
-    }
-
-    @EventHandler
-    public void onWorldUnload(WorldUnloadEvent event) {
-        updateWorlds();
-    }
-
-    @EventHandler
-    public void onWorldLoad(WorldLoadEvent event) {
-        updateWorlds();
-    }
-
-    @EventHandler
-    public void onServerBoot(ServerLoadEvent event) {
-        isServerLoaded = true;
-    }
-
-    @EventHandler
-    public void onPluginDisable(PluginDisableEvent event) {
-        if (event.getPlugin().equals(Iris.instance)) {
-            isServerShuttingDown = true;
-        }
-    }
-
-    public void updateWorlds() {
-        for (World world : Bukkit.getWorlds()) {
-            try {
-                if (IrisToolbelt.access(world).getEngine() != null) {
-                    IrisWorlds.add(world);
-                }
-            } catch (Exception e) {
-                // no
-            }
-        }
-    }
-
-    private void setup() {
-        cacheTicker = new Looper() {
-            @Override
-            protected long loop() {
-                long now = System.currentTimeMillis();
-                lastUseLock.lock();
-                try {
-                    for (World key : new ArrayList<>(lastUse.keySet())) {
-                        Long last = lastUse.get(key);
-                        if (last == null)
-                            continue;
-                        if (now - last > 60000) {
-                            lastUse.remove(key);
-                        }
-                    }
-                } finally {
-                    lastUseLock.unlock();
-                }
-                return 1000;
-            }
-        };
-
-        updateTicker = new Looper() {
-            @Override
-            protected long loop() {
-                try {
-                    TotalQueuedTectonicPlates.set(0);
-                    TotalNotQueuedTectonicPlates.set(0);
-                    TotalTectonicPlates.set(0);
-                    for (World world : IrisWorlds) {
-                        Engine engine = Objects.requireNonNull(IrisToolbelt.access(world)).getEngine();
-                        TotalQueuedTectonicPlates.addAndGet((int) engine.getMantle().getToUnload());
-                        TotalNotQueuedTectonicPlates.addAndGet((int) engine.getMantle().getNotQueuedLoadedRegions());
-                        TotalTectonicPlates.addAndGet(engine.getMantle().getLoadedRegionCount());
-                    }
-                    if (!isServerShuttingDown && isServerLoaded) {
-                        if (!trimTicker.isAlive()) {
-                            Iris.info(C.RED + "TrimTicker found dead! Booting it up!");
-                            try {
-                                TrimLogic();
-                            } catch (Exception e) {
-                                Iris.error("What happened?");
-                                e.printStackTrace();
-                            }
-                        }
-
-                        if (!unloadTicker.isAlive()) {
-                            Iris.info(C.RED + "UnloadTicker found dead! Booting it up!");
-                            try {
-                               UnloadLogic();
-                            } catch (Exception e) {
-                                Iris.error("What happened?");
-                                e.printStackTrace();
-                            }
-                        }
-                    }
-
-                } catch (Exception e) {
-                    return -1;
-                }
-                return 1000;
-            }
-        };
-    }
-    public void TrimLogic() {
-        if (trimTicker == null || !trimTicker.isAlive()) {
-            trimTicker = new Looper() {
-                private final Supplier<Engine> supplier = createSupplier();
-
-                @Override
-                protected long loop() {
-                    long start = System.currentTimeMillis();
-                    trimAlive.reset();
-                    try {
-                        Engine engine = supplier.get();
-                        if (engine != null) {
-                            engine.getMantle().trim(tectonicLimit.get() / lastUse.size());
-                        }
-                    } catch (Throwable e) {
-                        Iris.reportError(e);
-                        Iris.info(C.RED + "EngineSVC: Failed to trim.");
-                        e.printStackTrace();
-                        return -1;
-                    }
-
-                    int size = lastUse.size();
-                    long time = (size > 0 ? 1000 / size : 1000) - (System.currentTimeMillis() - start);
-                    if (time <= 0)
-                        return 0;
-                    return time;
-                }
-            };
-            trimTicker.start();
-        }
-    }
-    public void UnloadLogic() {
-        if (unloadTicker == null || !unloadTicker.isAlive()) {
-            unloadTicker = new Looper() {
-                private final Supplier<Engine> supplier = createSupplier();
-
-                @Override
-                protected long loop() {
-                    long start = System.currentTimeMillis();
-                    unloadAlive.reset();
-                    try {
-                        Engine engine = supplier.get();
-                        if (engine != null) {
-                            long unloadStart = System.currentTimeMillis();
-                            int count = engine.getMantle().unloadTectonicPlate(tectonicLimit.get() / lastUse.size());
-                            if (count > 0) {
-                                Iris.debug(C.GOLD + "Unloaded " + C.YELLOW + count + " TectonicPlates in " + C.RED + Form.duration(System.currentTimeMillis() - unloadStart, 2));
-                            }
-                        }
-                    } catch (Throwable e) {
-                        Iris.reportError(e);
-                        Iris.info(C.RED + "EngineSVC: Failed to unload.");
-                        e.printStackTrace();
-                        return -1;
-                    }
-
-                    int size = lastUse.size();
-                    long time = (size > 0 ? 1000 / size : 1000) - (System.currentTimeMillis() - start);
-                    if (time <= 0)
-                        return 0;
-                    return time;
-                }
-            };
-            unloadTicker.start();
-        }
-    }
-
-    private Supplier<Engine> createSupplier() {
-        AtomicInteger i = new AtomicInteger();
-        return () -> {
-            List<World> worlds = Bukkit.getWorlds();
-            if (i.get() >= worlds.size()) {
-                i.set(0);
-            }
-            try {
-                for (int j = 0; j < worlds.size(); j++) {
-                    World world = worlds.get(i.getAndIncrement());
-                    PlatformChunkGenerator generator = IrisToolbelt.access(world);
-                    if (i.get() >= worlds.size()) {
-                        i.set(0);
-                    }
-
-                    if (generator != null) {
-                        Engine engine = generator.getEngine();
-                        boolean closed = engine.getMantle().getData().isClosed();
-                        if (engine != null && !engine.isStudio() && !closed) {
-                            lastUseLock.lock();
-                            lastUse.put(world, System.currentTimeMillis());
-                            lastUseLock.unlock();
-                            return engine;
-                        }
-                    }
-                }
-            } catch (Throwable e) {
-                Iris.info(C.RED + "EngineSVC: Failed to create supplier.");
-                e.printStackTrace();
-                Iris.reportError(e);
-            }
-            return null;
-        };
-    }
-
-    @Override
-    public void onDisable() {
-        cacheTicker.interrupt();
-        trimTicker.interrupt();
-        unloadTicker.interrupt();
-        lastUse.clear();
-    }
-}
--- a/core/src/main/java/com/volmit/iris/core/service/StudioSVC.java
+++ b/core/src/main/java/com/volmit/iris/core/service/StudioSVC.java
@@ -24,6 +24,7 @@ import com.volmit.iris.Iris;
 import com.volmit.iris.core.IrisSettings;
 import com.volmit.iris.core.ServerConfigurator;
 import com.volmit.iris.core.loader.IrisData;
+import com.volmit.iris.core.nms.INMS;
 import com.volmit.iris.core.pack.IrisPack;
 import com.volmit.iris.core.project.IrisProject;
 import com.volmit.iris.core.tools.IrisToolbelt;
@@ -63,7 +64,12 @@ public class StudioSVC implements IrisService {

            if (!f.exists()) {
                Iris.info("Downloading Default Pack " + pack);
-                downloadSearch(Iris.getSender(), pack, false);
+                if (pack.equals("overworld")) {
+                    String url = "https://github.com/IrisDimensions/overworld/releases/download/" + INMS.OVERWORLD_TAG + "/overworld.zip";
+                    Iris.service(StudioSVC.class).downloadRelease(Iris.getSender(), url, false, false);
+                } else {
+                    downloadSearch(Iris.getSender(), pack, false);
+                }
            }
        });
    }
--- a/core/src/main/java/com/volmit/iris/core/service/TreeSVC.java
+++ b/core/src/main/java/com/volmit/iris/core/service/TreeSVC.java
@@ -27,6 +27,7 @@ import com.volmit.iris.engine.platform.PlatformChunkGenerator;
 import com.volmit.iris.util.collection.KList;
 import com.volmit.iris.util.collection.KMap;
 import com.volmit.iris.util.data.Cuboid;
+import com.volmit.iris.util.data.IrisCustomData;
 import com.volmit.iris.util.math.BlockPosition;
 import com.volmit.iris.util.math.RNG;
 import com.volmit.iris.util.plugin.IrisService;
@@ -34,7 +35,6 @@ import com.volmit.iris.util.scheduling.J;
 import org.bukkit.*;
 import org.bukkit.block.Block;
 import org.bukkit.block.BlockState;
-import org.bukkit.block.TileState;
 import org.bukkit.block.data.BlockData;
 import org.bukkit.block.data.type.Sapling;
 import org.bukkit.event.EventHandler;
@@ -142,7 +142,9 @@ public class TreeSVC implements IrisService {
            public void set(int x, int y, int z, BlockData d) {
                Block b = event.getWorld().getBlockAt(x, y, z);
                BlockState state = b.getState();
-                state.setBlockData(d);
+                if (d instanceof IrisCustomData data)
+                    state.setBlockData(data.getBase());
+                else state.setBlockData(d);
                blockStateList.add(b.getState());
                dataCache.put(new Location(event.getWorld(), x, y, z), d);
            }
@@ -213,12 +215,17 @@ public class TreeSVC implements IrisService {
            block = false;

            if (!iGrow.isCancelled()) {
-                for (BlockState block : iGrow.getBlocks()) {
-                    Location l = block.getLocation();
+                for (BlockState state : iGrow.getBlocks()) {
+                    Location l = state.getLocation();

-                    if (dataCache.containsKey(l)) {
-                        l.getBlock().setBlockData(dataCache.get(l), false);
-                    }
+                    BlockData d = dataCache.get(l);
+                    if (d == null) continue;
+                    Block block = l.getBlock();
+
+                    if (d instanceof IrisCustomData data) {
+                        block.setBlockData(data.getBase(), false);
+                        Iris.service(ExternalDataSVC.class).processUpdate(engine, block, data.getCustom());
+                    } else block.setBlockData(d);
                }
            }
        });
--- a/core/src/main/java/com/volmit/iris/core/service/WandSVC.java
+++ b/core/src/main/java/com/volmit/iris/core/service/WandSVC.java
@@ -30,15 +30,12 @@ import com.volmit.iris.util.format.C;
 import com.volmit.iris.util.math.M;
 import com.volmit.iris.util.matter.Matter;
 import com.volmit.iris.util.matter.WorldMatter;
-import com.volmit.iris.util.misc.E;
 import com.volmit.iris.util.plugin.IrisService;
 import com.volmit.iris.util.plugin.VolmitSender;
 import com.volmit.iris.util.scheduling.J;
-import com.volmit.iris.util.scheduling.S;
 import com.volmit.iris.util.scheduling.SR;
 import com.volmit.iris.util.scheduling.jobs.Job;
 import org.bukkit.*;
-import org.bukkit.block.Block;
 import org.bukkit.enchantments.Enchantment;
 import org.bukkit.entity.Player;
 import org.bukkit.event.EventHandler;
@@ -56,11 +53,11 @@ import java.awt.Color;
 import java.util.ArrayList;
 import java.util.Objects;
 import java.util.concurrent.CountDownLatch;
-import java.util.concurrent.atomic.AtomicInteger;
+
+import static com.volmit.iris.util.data.registry.Particles.CRIT_MAGIC;
+import static com.volmit.iris.util.data.registry.Particles.REDSTONE;

 public class WandSVC implements IrisService {
-    private static final Particle CRIT_MAGIC = E.getOrDefault(Particle.class, "CRIT_MAGIC", "CRIT");
-    private static final Particle REDSTONE = E.getOrDefault(Particle.class,  "REDSTONE", "DUST");
    private static final int MS_PER_TICK = Integer.parseInt(System.getProperty("iris.ms_per_tick", "30"));

    private static ItemStack dust;
@@ -76,7 +73,7 @@ public class WandSVC implements IrisService {
     * @param p The wand player
     * @return The new object
     */
-    public static IrisObject createSchematic(Player p) {
+    public static IrisObject createSchematic(Player p, boolean legacy) {
        if (!isHoldingWand(p)) {
            return null;
        }
@@ -132,7 +129,7 @@ public class WandSVC implements IrisService {
                                        continue;

                                    BlockVector bv = b.getLocation().subtract(c.getLowerNE().toVector()).toVector().toBlockVector();
-                                    s.setUnsigned(bv.getBlockX(), bv.getBlockY(), bv.getBlockZ(), b);
+                                    s.setUnsigned(bv.getBlockX(), bv.getBlockY(), bv.getBlockZ(), b, legacy);
                                } finally {
                                    i++;
                                }
--- a/core/src/main/java/com/volmit/iris/core/tools/IrisCreator.java
+++ b/core/src/main/java/com/volmit/iris/core/tools/IrisCreator.java
@@ -22,12 +22,11 @@ import com.google.common.util.concurrent.AtomicDouble;
 import com.volmit.iris.Iris;
 import com.volmit.iris.core.IrisSettings;
 import com.volmit.iris.core.ServerConfigurator;
+import com.volmit.iris.core.nms.INMS;
 import com.volmit.iris.core.pregenerator.PregenTask;
 import com.volmit.iris.core.service.StudioSVC;
-import com.volmit.iris.engine.framework.Engine;
 import com.volmit.iris.engine.object.IrisDimension;
 import com.volmit.iris.engine.platform.PlatformChunkGenerator;
-import com.volmit.iris.core.safeguard.UtilsSFG;
 import com.volmit.iris.util.exceptions.IrisException;
 import com.volmit.iris.util.format.C;
 import com.volmit.iris.util.format.Form;
@@ -46,7 +45,6 @@ import java.util.concurrent.CompletableFuture;
 import java.util.concurrent.atomic.AtomicBoolean;
 import java.util.concurrent.atomic.AtomicReference;
 import java.util.function.Supplier;
-import static com.volmit.iris.core.safeguard.IrisSafeguard.unstablemode;

 /**
 * Makes it a lot easier to setup an engine, world, studio or whatever
@@ -86,7 +84,6 @@ public class IrisCreator {
     * Benchmark mode
     */
    private boolean benchmark = false;
-    private boolean smartVanillaHeight = false;

    public static boolean removeFromBukkitYml(String name) throws IOException {
        YamlConfiguration yml = YamlConfiguration.loadConfiguration(BUKKIT_YML);
@@ -126,14 +123,11 @@ public class IrisCreator {
        if (sender == null)
            sender = Iris.getSender();

-        if (!studio()) {
-            Iris.service(StudioSVC.class).installIntoWorld(sender, d.getLoadKey(), new File(Bukkit.getWorldContainer(), name()));
-        }
-        if (benchmark) {
+        if (!studio() || benchmark) {
            Iris.service(StudioSVC.class).installIntoWorld(sender, d.getLoadKey(), new File(Bukkit.getWorldContainer(), name()));
        }

-        PlatformChunkGenerator access = null;
+        PlatformChunkGenerator access;
        AtomicReference<World> world = new AtomicReference<>();
        AtomicDouble pp = new AtomicDouble(0);
        O<Boolean> done = new O<>();
@@ -143,7 +137,6 @@ public class IrisCreator {
                .name(name)
                .seed(seed)
                .studio(studio)
-                .smartVanillaHeight(smartVanillaHeight)
                .create();
        ServerConfigurator.installDataPacks(false);

@@ -178,7 +171,7 @@ public class IrisCreator {

        try {
            J.sfut(() -> {
-                world.set(wc.createWorld());
+                world.set(INMS.get().createWorld(wc));
            }).get();
        } catch (Throwable e) {
            e.printStackTrace();
--- a/core/src/main/java/com/volmit/iris/core/tools/IrisPackBenchmarking.java
+++ b/core/src/main/java/com/volmit/iris/core/tools/IrisPackBenchmarking.java
@@ -9,8 +9,6 @@ import com.volmit.iris.util.collection.KList;
 import com.volmit.iris.util.collection.KMap;
 import com.volmit.iris.util.exceptions.IrisException;
 import com.volmit.iris.util.format.Form;
-import com.volmit.iris.util.math.Position2;
-
 import com.volmit.iris.util.scheduling.J;
 import com.volmit.iris.util.scheduling.PrecisionStopwatch;
 import lombok.Getter;
@@ -27,44 +25,44 @@ import java.nio.file.attribute.BasicFileAttributes;
 import java.time.Clock;
 import java.time.LocalDateTime;
 import java.util.Collections;
-import java.util.concurrent.*;


 public class IrisPackBenchmarking {
    @Getter
    public static IrisPackBenchmarking instance;
-     public static boolean benchmarkInProgress = false;
-     private IrisDimension IrisDimension;
-     private int radius;
-     private boolean finished = false;
-    PrecisionStopwatch stopwatch;
+    public static boolean benchmarkInProgress = false;
+    private final PrecisionStopwatch stopwatch = new PrecisionStopwatch();
+    private final IrisDimension dimension;
+    private final int radius;
+    private final boolean gui;

-    public IrisPackBenchmarking(IrisDimension dimension, int r) {
+    public IrisPackBenchmarking(IrisDimension dimension, int radius, boolean gui) {
        instance = this;
-        this.IrisDimension = dimension;
-        this.radius = r;
+        this.dimension = dimension;
+        this.radius = radius;
+        this.gui = gui;
        runBenchmark();
    }

    private void runBenchmark() {
-        this.stopwatch = new PrecisionStopwatch();
-        ExecutorService service = Executors.newSingleThreadExecutor();
-        service.submit(() -> {
-            Iris.info("Setting up benchmark environment ");
-            benchmarkInProgress = true;
-            File file = new File("benchmark");
-            if (file.exists()) {
-                deleteDirectory(file.toPath());
-            }
-            createBenchmark();
-            while (!IrisToolbelt.isIrisWorld(Bukkit.getWorld("benchmark"))) {
-                J.sleep(1000);
-                Iris.debug("Iris PackBenchmark: Waiting...");
-            }
-            Iris.info("Starting Benchmark!");
-            stopwatch.begin();
-            startBenchmark();
-        });
+        Thread.ofVirtual()
+                .name("PackBenchmarking")
+                .start(() -> {
+                    Iris.info("Setting up benchmark environment ");
+                    benchmarkInProgress = true;
+                    File file = new File("benchmark");
+                    if (file.exists()) {
+                        deleteDirectory(file.toPath());
+                    }
+                    createBenchmark();
+                    while (!IrisToolbelt.isIrisWorld(Bukkit.getWorld("benchmark"))) {
+                        J.sleep(1000);
+                        Iris.debug("Iris PackBenchmark: Waiting...");
+                    }
+                    Iris.info("Starting Benchmark!");
+                    stopwatch.begin();
+                    startBenchmark();
+                });

    }

@@ -88,14 +86,14 @@ public class IrisPackBenchmarking {
            File profilers = new File("plugins" + File.separator + "Iris" + File.separator + "packbenchmarks");
            profilers.mkdir();

-            File results = new File("plugins " + File.separator + "Iris", IrisDimension.getName() + LocalDateTime.now(Clock.systemDefaultZone()) + ".txt");
-            results.createNewFile();
+            File results = new File(profilers, dimension.getName() + " " + LocalDateTime.now(Clock.systemDefaultZone()).toString().replace(':', '-') + ".txt");
+            results.getParentFile().mkdirs();
            KMap<String, Double> metrics = engine.getMetrics().pull();
            try (FileWriter writer = new FileWriter(results)) {
                writer.write("-----------------\n");
                writer.write("Results:\n");
-                writer.write("Dimension: " + IrisDimension.getName() + "\n");
-                writer.write("- Date of Benchmark: " +  LocalDateTime.now(Clock.systemDefaultZone()) + "\n");
+                writer.write("Dimension: " + dimension.getName() + "\n");
+                writer.write("- Date of Benchmark: " + LocalDateTime.now(Clock.systemDefaultZone()) + "\n");
                writer.write("\n");
                writer.write("Metrics");
                for (String m : metrics.k()) {
@@ -103,7 +101,7 @@ public class IrisPackBenchmarking {
                    writer.write("- " + m + ": " + i);
                }
                writer.write("- " + metrics);
-                writer.write("Benchmark: " +  LocalDateTime.now(Clock.systemDefaultZone()) + "\n");
+                writer.write("Benchmark: " + LocalDateTime.now(Clock.systemDefaultZone()) + "\n");
                writer.write("- Total time: " + time + "\n");
                writer.write("- Average CPS: " + calculateAverage(cps) + "\n");
                writer.write("  - Median CPS: " + calculateMedian(cps) + "\n");
@@ -116,17 +114,24 @@ public class IrisPackBenchmarking {
                e.printStackTrace();
            }

-            Bukkit.getServer().unloadWorld("benchmark", true);
+            J.s(() -> {
+                var world = Bukkit.getWorld("benchmark");
+                if (world == null) return;
+                IrisToolbelt.evacuate(world);
+                Bukkit.unloadWorld(world, true);
+            });
+
            stopwatch.end();
        } catch (Exception e) {
            Iris.error("Something has gone wrong!");
            e.printStackTrace();
        }
    }
-     private void createBenchmark(){
+
+    private void createBenchmark() {
        try {
            IrisToolbelt.createWorld()
-                    .dimension(IrisDimension.getName())
+                    .dimension(dimension.getLoadKey())
                    .name("benchmark")
                    .seed(1337)
                    .studio(false)
@@ -137,17 +142,14 @@ public class IrisPackBenchmarking {
        }
    }

-     private void startBenchmark(){
-        int x = 0;
-        int z = 0;
-            IrisToolbelt.pregenerate(PregenTask
-                    .builder()
-                    .gui(false)
-                    .center(new Position2(x, z))
-                    .width(5)
-                    .height(5)
-                    .build(), Bukkit.getWorld("benchmark")
-            );
+    private void startBenchmark() {
+        IrisToolbelt.pregenerate(PregenTask
+                .builder()
+                .gui(gui)
+                .radiusX(radius)
+                .radiusZ(radius)
+                .build(), Bukkit.getWorld("benchmark")
+        );
    }

    private double calculateAverage(KList<Integer> list) {
@@ -179,7 +181,7 @@ public class IrisPackBenchmarking {

    private boolean deleteDirectory(Path dir) {
        try {
-            Files.walkFileTree(dir, new SimpleFileVisitor<Path>() {
+            Files.walkFileTree(dir, new SimpleFileVisitor<>() {
                @Override
                public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException {
                    Files.delete(file);
--- a/core/src/main/java/com/volmit/iris/core/tools/IrisWorldCreator.java
+++ b/core/src/main/java/com/volmit/iris/core/tools/IrisWorldCreator.java
@@ -21,10 +21,13 @@ package com.volmit.iris.core.tools;
 import com.volmit.iris.core.loader.IrisData;
 import com.volmit.iris.engine.object.*;
 import com.volmit.iris.engine.platform.BukkitChunkGenerator;
+import com.volmit.iris.util.reflect.WrappedField;
 import org.bukkit.Bukkit;
 import org.bukkit.World;
 import org.bukkit.WorldCreator;
+import org.bukkit.WorldType;
 import org.bukkit.generator.ChunkGenerator;
+import sun.misc.Unsafe;

 import java.io.File;

@@ -32,7 +35,6 @@ public class IrisWorldCreator {
    private String name;
    private boolean studio = false;
    private String dimensionName = null;
-    private boolean smartVanillaHeight = false;
    private long seed = 1337;

    public IrisWorldCreator() {
@@ -64,11 +66,6 @@ public class IrisWorldCreator {
        return this;
    }

-    public IrisWorldCreator smartVanillaHeight(boolean smartVanillaHeight) {
-        this.smartVanillaHeight = smartVanillaHeight;
-        return this;
-    }
-
    public WorldCreator create() {
        IrisDimension dim = IrisData.loadAnyDimension(dimensionName);

@@ -82,7 +79,7 @@ public class IrisWorldCreator {
                .build();
        ChunkGenerator g = new BukkitChunkGenerator(w, studio, studio
                ? dim.getLoader().getDataFolder() :
-                new File(w.worldFolder(), "iris/pack"), dimensionName, smartVanillaHeight);
+                new File(w.worldFolder(), "iris/pack"), dimensionName);


        return new WorldCreator(name)
--- a/core/src/main/java/com/volmit/iris/core/wand/WandSelection.java
+++ b/core/src/main/java/com/volmit/iris/core/wand/WandSelection.java
@@ -20,8 +20,6 @@ package com.volmit.iris.core.wand;

 import com.volmit.iris.util.data.Cuboid;
 import com.volmit.iris.util.math.M;
-import com.volmit.iris.util.math.RNG;
-import com.volmit.iris.util.misc.E;
 import org.bukkit.Location;
 import org.bukkit.Particle;
 import org.bukkit.entity.Player;
@@ -29,8 +27,9 @@ import org.bukkit.util.Vector;

 import java.awt.*;

+import static com.volmit.iris.util.data.registry.Particles.REDSTONE;
+
 public class WandSelection {
-    private static final Particle REDSTONE = E.getOrDefault(Particle.class, "REDSTONE", "DUST");
    private final Cuboid c;
    private final Player p;
    private static final double STEP = 0.10;
--- a/core/src/main/java/com/volmit/iris/engine/IrisComplex.java
+++ b/core/src/main/java/com/volmit/iris/engine/IrisComplex.java
@@ -29,6 +29,7 @@ import com.volmit.iris.util.collection.KMap;
 import com.volmit.iris.util.collection.KSet;
 import com.volmit.iris.util.context.IrisContext;
 import com.volmit.iris.util.data.DataProvider;
+import com.volmit.iris.util.interpolation.IrisInterpolation.NoiseKey;
 import com.volmit.iris.util.math.M;
 import com.volmit.iris.util.math.RNG;
 import com.volmit.iris.util.noise.CNG;
@@ -292,9 +293,11 @@ public class IrisComplex implements DataProvider {
            return 0;
        }

+        KMap<NoiseKey, IrisBiome> cache = new KMap<>();
        double hi = interpolator.interpolate(x, z, (xx, zz) -> {
            try {
                IrisBiome bx = baseBiomeStream.get(xx, zz);
+                cache.put(new NoiseKey(xx, zz), bx);
                double b = 0;

                for (IrisGenerator gen : generators) {
@@ -313,7 +316,11 @@ public class IrisComplex implements DataProvider {

        double lo = interpolator.interpolate(x, z, (xx, zz) -> {
            try {
-                IrisBiome bx = baseBiomeStream.get(xx, zz);
+                IrisBiome bx = cache.get(new NoiseKey(xx, zz));
+                if (bx == null) {
+                    bx = baseBiomeStream.get(xx, zz);
+                    cache.put(new NoiseKey(xx, zz), bx);
+                }
                double b = 0;

                for (IrisGenerator gen : generators) {
--- a/core/src/main/java/com/volmit/iris/engine/IrisEngine.java
+++ b/core/src/main/java/com/volmit/iris/engine/IrisEngine.java
@@ -21,10 +21,10 @@ package com.volmit.iris.engine;
 import com.google.common.util.concurrent.AtomicDouble;
 import com.google.gson.Gson;
 import com.volmit.iris.Iris;
-import com.volmit.iris.core.IrisSettings;
 import com.volmit.iris.core.ServerConfigurator;
 import com.volmit.iris.core.events.IrisEngineHotloadEvent;
 import com.volmit.iris.core.gui.PregeneratorJob;
+import com.volmit.iris.core.loader.ResourceLoader;
 import com.volmit.iris.core.nms.container.BlockPos;
 import com.volmit.iris.core.nms.container.Pair;
 import com.volmit.iris.core.project.IrisProject;
@@ -43,6 +43,7 @@ import com.volmit.iris.util.format.C;
 import com.volmit.iris.util.format.Form;
 import com.volmit.iris.util.hunk.Hunk;
 import com.volmit.iris.util.io.IO;
+import com.volmit.iris.util.io.JarScanner;
 import com.volmit.iris.util.mantle.MantleFlag;
 import com.volmit.iris.util.math.M;
 import com.volmit.iris.util.math.RNG;
@@ -53,7 +54,6 @@ import com.volmit.iris.util.scheduling.PrecisionStopwatch;
 import lombok.Data;
 import lombok.EqualsAndHashCode;
 import lombok.ToString;
-import org.bukkit.Bukkit;
 import org.bukkit.Material;
 import org.bukkit.block.Biome;
 import org.bukkit.block.data.BlockData;
@@ -61,18 +61,23 @@ import org.bukkit.command.CommandSender;

 import java.io.File;
 import java.io.IOException;
+import java.lang.reflect.Constructor;
+import java.lang.reflect.InvocationTargetException;
+import java.util.Collections;
 import java.util.HashSet;
+import java.util.Map;
 import java.util.Set;
+import java.util.concurrent.CompletableFuture;
 import java.util.concurrent.atomic.AtomicBoolean;
 import java.util.concurrent.atomic.AtomicInteger;
 import java.util.concurrent.atomic.AtomicLong;
-import java.util.regex.Matcher;
-import java.util.regex.Pattern;

@Data
@EqualsAndHashCode(exclude = "context")
@ToString(exclude = "context")
 public class IrisEngine implements Engine {
+    private static final Map<Class<? extends IrisEngineService>, Constructor<? extends IrisEngineService>> SERVICES = scanServices();
+    private final KMap<Class<? extends IrisEngineService>, IrisEngineService> services;
    private final AtomicInteger bud;
    private final AtomicInteger buds;
    private final AtomicInteger generated;
@@ -92,6 +97,7 @@ public class IrisEngine implements Engine {
    private final AtomicBoolean cleaning;
    private final ChronoLatch cleanLatch;
    private final SeedManager seedManager;
+    private CompletableFuture<Long> hash32;
    private EngineMode mode;
    private EngineEffects effects;
    private EngineExecutionEnvironment execution;
@@ -112,6 +118,7 @@ public class IrisEngine implements Engine {
        getEngineData();
        verifySeed();
        this.seedManager = new SeedManager(target.getWorld().getRawWorldSeed());
+        services = new KMap<>();
        bud = new AtomicInteger(0);
        buds = new AtomicInteger(0);
        metrics = new EngineMetrics(32);
@@ -138,6 +145,26 @@ public class IrisEngine implements Engine {
        Iris.debug("Engine Initialized " + getCacheID());
    }

+    @SuppressWarnings("unchecked")
+    private static Map<Class<? extends IrisEngineService>, Constructor<? extends IrisEngineService>> scanServices() {
+        JarScanner js = new JarScanner(Iris.instance.getJarFile(), "com.volmit.iris.engine.service");
+        J.attempt(js::scan);
+        KMap<Class<? extends IrisEngineService>, Constructor<? extends IrisEngineService>> map = new KMap<>();
+        js.getClasses()
+                .stream()
+                .filter(IrisEngineService.class::isAssignableFrom)
+                .map(c -> (Class<? extends IrisEngineService>) c)
+                .forEach(c -> {
+                    try {
+                        map.put(c, c.getConstructor(Engine.class));
+                    } catch (NoSuchMethodException e) {
+                        Iris.warn("Failed to load service " + c.getName() + " due to missing constructor");
+                    }
+                });
+
+        return Collections.unmodifiableMap(map);
+    }
+
    private void verifySeed() {
        if (getEngineData().getSeed() != null && getEngineData().getSeed() != target.getWorld().getRawWorldSeed()) {
            target.getWorld().setRawWorldSeed(getEngineData().getSeed());
@@ -162,6 +189,8 @@ public class IrisEngine implements Engine {
        execution.close();
        effects.close();
        mode.close();
+        services.values().forEach(s -> s.onDisable(true));
+        services.values().forEach(Iris.instance::unregisterListener);

        J.a(() -> new IrisProject(getData().getDataFolder()).updateWorkspace());
    }
@@ -170,12 +199,39 @@ public class IrisEngine implements Engine {
        try {
            Iris.debug("Setup Engine " + getCacheID());
            cacheId = RNG.r.nextInt();
+            boolean hotload = true;
+            if (services.isEmpty()) {
+                SERVICES.forEach((s, c) -> {
+                    try {
+                        services.put(s, c.newInstance(this));
+                    } catch (InstantiationException | IllegalAccessException |
+                             InvocationTargetException e) {
+                        Iris.error("Failed to create service " + s.getName());
+                        e.printStackTrace();
+                    }
+                });
+                hotload = false;
+            }
+            for (var service : services.values()) {
+                service.onEnable(hotload);
+                Iris.instance.registerListener(service);
+            }
+
            worldManager = new IrisWorldManager(this);
            complex = new IrisComplex(this);
            execution = new IrisExecutionEnvironment(this);
            effects = new IrisEngineEffects(this);
+            hash32 = new CompletableFuture<>();
            setupMode();
            J.a(this::computeBiomeMaxes);
+            J.a(() -> {
+                File[] roots = getData().getLoaders()
+                        .values()
+                        .stream()
+                        .map(ResourceLoader::getRoot)
+                        .toArray(File[]::new);
+                hash32.complete(IO.hashRecursive(roots));
+            });
        } catch (Throwable e) {
            Iris.error("FAILED TO SETUP ENGINE!");
            e.printStackTrace();
@@ -410,6 +466,7 @@ public class IrisEngine implements Engine {
        PregeneratorJob.shutdownInstance();
        closed = true;
        J.car(art);
+        services.values().forEach(s -> s.onDisable(false));
        getWorldManager().close();
        getTarget().close();
        saveEngineData();
--- a/core/src/main/java/com/volmit/iris/engine/IrisEngineMantle.java
+++ b/core/src/main/java/com/volmit/iris/engine/IrisEngineMantle.java
@@ -18,7 +18,7 @@

 package com.volmit.iris.engine;

-import com.volmit.iris.Iris;
+import com.volmit.iris.core.nms.container.Pair;
 import com.volmit.iris.engine.data.cache.AtomicCache;
 import com.volmit.iris.engine.framework.Engine;
 import com.volmit.iris.engine.mantle.EngineMantle;
@@ -27,23 +27,13 @@ import com.volmit.iris.engine.mantle.components.MantleCarvingComponent;
 import com.volmit.iris.engine.mantle.components.MantleFluidBodyComponent;
 import com.volmit.iris.engine.mantle.components.MantleJigsawComponent;
 import com.volmit.iris.engine.mantle.components.MantleObjectComponent;
-import com.volmit.iris.engine.object.*;
 import com.volmit.iris.util.collection.KList;
 import com.volmit.iris.util.collection.KMap;
-import com.volmit.iris.util.collection.KSet;
-import com.volmit.iris.util.format.C;
-import com.volmit.iris.util.format.Form;
 import com.volmit.iris.util.mantle.Mantle;
-import com.volmit.iris.util.parallel.BurstExecutor;
-import lombok.Data;
-import lombok.EqualsAndHashCode;
-import lombok.ToString;
-import org.bukkit.util.BlockVector;
+import lombok.*;

 import java.io.File;
-import java.io.IOException;
-import java.util.Map;
-import java.util.concurrent.atomic.AtomicInteger;
+import java.util.stream.Collectors;

@Data
@EqualsAndHashCode(exclude = "engine")
@@ -51,8 +41,9 @@ import java.util.concurrent.atomic.AtomicInteger;
 public class IrisEngineMantle implements EngineMantle {
    private final Engine engine;
    private final Mantle mantle;
-    private final KList<MantleComponent> components;
-    private final int radius;
+    @Getter(AccessLevel.NONE)
+    private final KMap<Integer, KList<MantleComponent>> components;
+    private final AtomicCache<KList<Pair<KList<MantleComponent>, Integer>>> componentsCache = new AtomicCache<>();
    private final AtomicCache<Integer> radCache = new AtomicCache<>();
    private final MantleObjectComponent object;
    private final MantleJigsawComponent jigsaw;
@@ -60,8 +51,7 @@ public class IrisEngineMantle implements EngineMantle {
    public IrisEngineMantle(Engine engine) {
        this.engine = engine;
        this.mantle = new Mantle(new File(engine.getWorld().worldFolder(), "mantle"), engine.getTarget().getHeight());
-        radius = radCache.aquire(this::computeParallaxSize);
-        components = new KList<>();
+        components = new KMap<>();
        registerComponent(new MantleCarvingComponent(this));
        registerComponent(new MantleFluidBodyComponent(this));
        jigsaw = new MantleJigsawComponent(this);
@@ -70,9 +60,49 @@ public class IrisEngineMantle implements EngineMantle {
        registerComponent(object);
    }

+    @Override
+    public int getRadius() {
+        if (components.isEmpty()) return 0;
+        return getComponents().getFirst().getB();
+    }
+
+    @Override
+    public int getRealRadius() {
+        if (components.isEmpty()) return 0;
+        return getComponents().getLast().getB();
+    }
+
+    @Override
+    public KList<Pair<KList<MantleComponent>, Integer>> getComponents() {
+        return componentsCache.aquire(() -> {
+            var list = components.keySet()
+                    .stream()
+                    .sorted()
+                    .map(components::get)
+                    .map(components -> {
+                        int radius = components.stream()
+                                .mapToInt(MantleComponent::getRadius)
+                                .max()
+                                .orElse(0);
+                        return new Pair<>(components, radius);
+                    })
+                    .collect(Collectors.toCollection(KList::new));
+
+
+            int radius = 0;
+            for (var pair : list.reversed()) {
+                radius += pair.getB();
+                pair.setB(Math.ceilDiv(radius, 16));
+            }
+
+            return list;
+        });
+    }
+
    @Override
    public void registerComponent(MantleComponent c) {
-        components.add(c);
+        components.computeIfAbsent(c.getPriority(), k -> new KList<>()).add(c);
+        componentsCache.reset();
    }

    @Override
@@ -84,243 +114,4 @@ public class IrisEngineMantle implements EngineMantle {
    public MantleObjectComponent getObjectComponent() {
        return object;
    }
-
-    private KList<IrisRegion> getAllRegions() {
-        KList<IrisRegion> r = new KList<>();
-
-        for (String i : getEngine().getDimension().getRegions()) {
-            r.add(getEngine().getData().getRegionLoader().load(i));
-        }
-
-        return r;
-    }
-
-    private KList<IrisBiome> getAllBiomes() {
-        KList<IrisBiome> r = new KList<>();
-
-        for (IrisRegion i : getAllRegions()) {
-            r.addAll(i.getAllBiomes(getEngine()));
-        }
-
-        return r;
-    }
-
-    private void warn(String ob, BlockVector bv) {
-        if (Math.max(bv.getBlockX(), bv.getBlockZ()) > 128) {
-            Iris.warn("Object " + ob + " has a large size (" + bv + ") and may increase memory usage!");
-        }
-    }
-
-    private void warnScaled(String ob, BlockVector bv, double ms) {
-        if (Math.max(bv.getBlockX(), bv.getBlockZ()) > 128) {
-            Iris.warn("Object " + ob + " has a large size (" + bv + ") and may increase memory usage! (Object scaled up to " + Form.pc(ms, 2) + ")");
-        }
-    }
-
-    private int computeParallaxSize() {
-        Iris.verbose("Calculating the Parallax Size in Parallel");
-        AtomicInteger xg = new AtomicInteger(0);
-        AtomicInteger zg = new AtomicInteger();
-        xg.set(0);
-        zg.set(0);
-        int jig = 0;
-        KSet<String> objects = new KSet<>();
-        KMap<IrisObjectScale, KList<String>> scalars = new KMap<>();
-        int x = xg.get();
-        int z = zg.get();
-
-        if (getEngine().getDimension().isUseMantle()) {
-            KList<IrisRegion> r = getAllRegions();
-            KList<IrisBiome> b = getAllBiomes();
-
-            for (IrisBiome i : b) {
-                for (IrisObjectPlacement j : i.getObjects()) {
-                    if (j.getScale().canScaleBeyond()) {
-                        scalars.put(j.getScale(), j.getPlace());
-                    } else {
-                        objects.addAll(j.getPlace());
-                    }
-                }
-
-                for (IrisJigsawStructurePlacement j : i.getJigsawStructures()) {
-                    jig = Math.max(jig, getData().getJigsawStructureLoader().load(j.getStructure()).getMaxDimension());
-                }
-            }
-
-            for (IrisRegion i : r) {
-                for (IrisObjectPlacement j : i.getObjects()) {
-                    if (j.getScale().canScaleBeyond()) {
-                        scalars.put(j.getScale(), j.getPlace());
-                    } else {
-                        objects.addAll(j.getPlace());
-                    }
-                }
-
-                for (IrisJigsawStructurePlacement j : i.getJigsawStructures()) {
-                    jig = Math.max(jig, getData().getJigsawStructureLoader().load(j.getStructure()).getMaxDimension());
-                }
-            }
-
-            for (IrisJigsawStructurePlacement j : getEngine().getDimension().getJigsawStructures()) {
-                jig = Math.max(jig, getData().getJigsawStructureLoader().load(j.getStructure()).getMaxDimension());
-            }
-
-            if (getEngine().getDimension().getStronghold() != null) {
-                try {
-                    jig = Math.max(jig, getData().getJigsawStructureLoader().load(getEngine().getDimension().getStronghold()).getMaxDimension());
-                } catch (Throwable e) {
-                    Iris.reportError(e);
-                    e.printStackTrace();
-                }
-            }
-
-            Iris.verbose("Checking sizes for " + Form.f(objects.size()) + " referenced objects.");
-            BurstExecutor e = getEngine().getTarget().getBurster().burst(objects.size());
-            KMap<String, BlockVector> sizeCache = new KMap<>();
-            for (String i : objects) {
-                e.queue(() -> {
-                    try {
-                        BlockVector bv = sizeCache.computeIfAbsent(i, (k) -> {
-                            try {
-                                return IrisObject.sampleSize(getData().getObjectLoader().findFile(i));
-                            } catch (IOException ex) {
-                                Iris.reportError(ex);
-                                ex.printStackTrace();
-                            }
-
-                            return null;
-                        });
-
-                        if (bv == null) {
-                            throw new RuntimeException();
-                        }
-
-                        warn(i, bv);
-
-                        synchronized (xg) {
-                            xg.getAndSet(Math.max(bv.getBlockX(), xg.get()));
-                        }
-
-                        synchronized (zg) {
-                            zg.getAndSet(Math.max(bv.getBlockZ(), zg.get()));
-                        }
-                    } catch (Throwable ed) {
-                        Iris.reportError(ed);
-
-                    }
-                });
-            }
-
-            for (Map.Entry<IrisObjectScale, KList<String>> entry : scalars.entrySet()) {
-                double ms = entry.getKey().getMaximumScale();
-                for (String j : entry.getValue()) {
-                    e.queue(() -> {
-                        try {
-                            BlockVector bv = sizeCache.computeIfAbsent(j, (k) -> {
-                                try {
-                                    return IrisObject.sampleSize(getData().getObjectLoader().findFile(j));
-                                } catch (IOException ioException) {
-                                    Iris.reportError(ioException);
-                                    ioException.printStackTrace();
-                                }
-
-                                return null;
-                            });
-
-                            if (bv == null) {
-                                throw new RuntimeException();
-                            }
-
-                            warnScaled(j, bv, ms);
-
-                            synchronized (xg) {
-                                xg.getAndSet((int) Math.max(Math.ceil(bv.getBlockX() * ms), xg.get()));
-                            }
-
-                            synchronized (zg) {
-                                zg.getAndSet((int) Math.max(Math.ceil(bv.getBlockZ() * ms), zg.get()));
-                            }
-                        } catch (Throwable ee) {
-                            Iris.reportError(ee);
-
-                        }
-                    });
-                }
-            }
-
-            e.complete();
-
-            x = xg.get();
-            z = zg.get();
-
-            for (IrisDepositGenerator i : getEngine().getDimension().getDeposits()) {
-                int max = i.getMaxDimension();
-                x = Math.max(max, x);
-                z = Math.max(max, z);
-            }
-
-            for (IrisRegion v : r) {
-                for (IrisDepositGenerator i : v.getDeposits()) {
-                    int max = i.getMaxDimension();
-                    x = Math.max(max, x);
-                    z = Math.max(max, z);
-                }
-            }
-
-            for (IrisBiome v : b) {
-                for (IrisDepositGenerator i : v.getDeposits()) {
-                    int max = i.getMaxDimension();
-                    x = Math.max(max, x);
-                    z = Math.max(max, z);
-                }
-            }
-        } else {
-            return 0;
-        }
-
-        x = Math.max(z, x);
-        int u = x;
-        int c = Math.max(computeCarvingRange(), computeBodyRange());
-        x = Math.max(jig, x);
-        x = Math.max(x, c);
-        x = (Math.max(x, 16) + 16) >> 4;
-        x = x % 2 == 0 ? x + 1 : x;
-        Iris.info("Mantle Size: " + x + " Chunks");
-        Iris.info("  Object Mantle Size: " + u + " (" + ((Math.max(u, 16) + 16) >> 4) + ")");
-        Iris.info("  Jigsaw Mantle Size: " + jig + " (" + ((Math.max(jig, 16) + 16) >> 4) + ")");
-        Iris.info("  Carving Mantle Size: " + c + " (" + ((Math.max(c, 16) + 16) >> 4) + ")");
-        return x;
-    }
-
-    private int computeBodyRange() {
-        int m = 0;
-
-        m = Math.max(m, getDimension().getFluidBodies().getMaxRange(getData()));
-
-        for (IrisRegion i : getDimension().getAllRegions(getEngine())) {
-            m = Math.max(m, i.getFluidBodies().getMaxRange(getData()));
-        }
-
-        for (IrisBiome i : getDimension().getAllBiomes(getEngine())) {
-            m = Math.max(m, i.getFluidBodies().getMaxRange(getData()));
-        }
-
-        return m;
-    }
-
-    private int computeCarvingRange() {
-        int m = 0;
-
-        m = Math.max(m, getDimension().getCarving().getMaxRange(getData()));
-
-        for (IrisRegion i : getDimension().getAllRegions(getEngine())) {
-            m = Math.max(m, i.getCarving().getMaxRange(getData()));
-        }
-
-        for (IrisBiome i : getDimension().getAllBiomes(getEngine())) {
-            m = Math.max(m, i.getCarving().getMaxRange(getData()));
-        }
-
-        return m;
-    }
 }
--- a/core/src/main/java/com/volmit/iris/engine/IrisWorldManager.java
+++ b/core/src/main/java/com/volmit/iris/engine/IrisWorldManager.java
@@ -27,7 +27,6 @@ import com.volmit.iris.engine.object.*;
 import com.volmit.iris.util.collection.KList;
 import com.volmit.iris.util.collection.KMap;
 import com.volmit.iris.util.collection.KSet;
-import com.volmit.iris.util.format.Form;
 import com.volmit.iris.util.mantle.Mantle;
 import com.volmit.iris.util.mantle.MantleFlag;
 import com.volmit.iris.util.math.M;
@@ -62,6 +61,7 @@ import java.util.concurrent.CompletableFuture;
 import java.util.concurrent.ExecutionException;
 import java.util.concurrent.Future;
 import java.util.concurrent.atomic.AtomicBoolean;
+import java.util.function.Predicate;
 import java.util.stream.Collectors;
 import java.util.stream.Stream;

@@ -71,7 +71,6 @@ public class IrisWorldManager extends EngineAssignedWorldManager {
    private final Looper looper;
    private final int id;
    private final KList<Runnable> updateQueue = new KList<>();
-    private final ChronoLatch cl;
    private final ChronoLatch clw;
    private final ChronoLatch ecl;
    private final ChronoLatch cln;
@@ -82,12 +81,10 @@ public class IrisWorldManager extends EngineAssignedWorldManager {
    private long charge = 0;
    private int actuallySpawned = 0;
    private int cooldown = 0;
-    private List<Entity> precount = new KList<>();
    private KSet<Position2> injectBiomes = new KSet<>();

    public IrisWorldManager() {
        super(null);
-        cl = null;
        ecl = null;
        cln = null;
        clw = null;
@@ -102,7 +99,6 @@ public class IrisWorldManager extends EngineAssignedWorldManager {
        chunkUpdater = new ChronoLatch(3000);
        chunkDiscovery = new ChronoLatch(5000);
        cln = new ChronoLatch(60000);
-        cl = new ChronoLatch(3000);
        ecl = new ChronoLatch(250);
        clw = new ChronoLatch(1000, true);
        id = engine.getCacheID();
@@ -150,27 +146,12 @@ public class IrisWorldManager extends EngineAssignedWorldManager {
                        engine.getEngineData().cleanup(getEngine());
                    }

-                    if (precount != null) {
-                        entityCount = 0;
-                        for (Entity i : precount) {
-                            if (i instanceof LivingEntity) {
-                                if (!i.isDead()) {
-                                    entityCount++;
-                                }
-                            }
-                        }
-
-                        precount = null;
-                    }
-
                    if (energy < 650) {
                        if (ecl.flip()) {
                            energy *= 1 + (0.02 * M.clip((1D - getEntitySaturation()), 0D, 1D));
                            fixEnergy();
                        }
                    }
-
-                    onAsyncTick();
                }

                return IrisSettings.get().getWorld().getAsyncTickIntervalMS();
@@ -213,7 +194,7 @@ public class IrisWorldManager extends EngineAssignedWorldManager {
                            int finalZ = c.getZ() + z;
                            J.a(() -> getMantle().raiseFlag(finalX, finalZ, MantleFlag.INITIAL_SPAWNED_MARKER,
                                    () -> {
-                                        J.a(() -> spawnIn(cx, true), RNG.r.i(5, 200));
+                                        J.a(() -> spawnIn(cx), RNG.r.i(5, 200));
                                        getSpawnersFromMarkers(cx).forEach((blockf, spawners) -> {
                                            if (spawners.isEmpty()) {
                                                return;
@@ -221,7 +202,7 @@ public class IrisWorldManager extends EngineAssignedWorldManager {

                                            IrisPosition block = new IrisPosition(blockf.getX(), blockf.getY() + getEngine().getWorld().minHeight(), blockf.getZ());
                                            IrisSpawner s = new KList<>(spawners).getRandom();
-                                            spawn(block, s, true);
+                                            spawn(block, s);
                                        });
                                    }));
                        }
@@ -231,95 +212,16 @@ public class IrisWorldManager extends EngineAssignedWorldManager {
        }
    }

-    private boolean onAsyncTick() {
-        if (getEngine().isClosed()) {
-            return false;
-        }
-
-        actuallySpawned = 0;
-
-        if (energy < 100) {
-            J.sleep(200);
-            return false;
-        }
-
-        if (!getEngine().getWorld().hasRealWorld()) {
-            Iris.debug("Can't spawn. No real world");
-            J.sleep(5000);
-            return false;
-        }
-
-        double epx = getEntitySaturation();
-        if (epx > IrisSettings.get().getWorld().getTargetSpawnEntitiesPerChunk()) {
-            Iris.debug("Can't spawn. The entity per chunk ratio is at " + Form.pc(epx, 2) + " > 100% (total entities " + entityCount + ")");
-            J.sleep(5000);
-            return false;
-        }
-
-        if (cl.flip()) {
-            try {
-                J.s(() -> precount = getEngine().getWorld().realWorld().getEntities());
-            } catch (Throwable e) {
-                close();
-            }
-        }
-
-        int spawnBuffer = RNG.r.i(2, 12);
-
-        Chunk[] cc = getEngine().getWorld().realWorld().getLoadedChunks();
-        while (spawnBuffer-- > 0) {
-            if (cc.length == 0) {
-                Iris.debug("Can't spawn. No chunks!");
-                return false;
-            }
-
-            Chunk c = cc[RNG.r.nextInt(cc.length)];
-
-            if (!c.isLoaded() || !Chunks.isSafe(c.getWorld(), c.getX(), c.getZ())) {
-                continue;
-            }
-
-            spawnIn(c, false);
-        }
-
-        energy -= (actuallySpawned / 2D);
-        return actuallySpawned > 0;
-    }
-
    private void fixEnergy() {
        energy = M.clip(energy, 1D, getDimension().getMaximumEnergy());
    }

-    private void spawnIn(Chunk c, boolean initial) {
+    private void spawnIn(Chunk c) {
        if (getEngine().isClosed()) {
            return;
        }

-        if (initial) {
-            energy += 1.2;
-        }
-
-        //@builder
-        IrisBiome biome = IrisSettings.get().getWorld().isAnbientEntitySpawningSystem()
-                ? getEngine().getSurfaceBiome(c) : null;
-        IrisEntitySpawn v = IrisSettings.get().getWorld().isAnbientEntitySpawningSystem()
-                ? spawnRandomly(Stream.concat(getData().getSpawnerLoader()
-                                .loadAll(getDimension().getEntitySpawners())
-                                .shuffleCopy(RNG.r).stream()
-                                .filter(this::canSpawn)
-                                .filter((i) -> i.isValid(biome))
-                                .flatMap((i) -> stream(i, initial)),
-                        Stream.concat(getData().getSpawnerLoader()
-                                        .loadAll(getEngine().getRegion(c.getX() << 4, c.getZ() << 4).getEntitySpawners())
-                                        .shuffleCopy(RNG.r).stream().filter(this::canSpawn)
-                                        .flatMap((i) -> stream(i, initial)),
-                                getData().getSpawnerLoader()
-                                        .loadAll(getEngine().getSurfaceBiome(c.getX() << 4, c.getZ() << 4).getEntitySpawners())
-                                        .shuffleCopy(RNG.r).stream().filter(this::canSpawn)
-                                        .flatMap((i) -> stream(i, initial))))
-                .collect(Collectors.toList()))
-                .popRandom(RNG.r) : null;
-        //@done
+        energy += 1.2;

        if (IrisSettings.get().getWorld().isMarkerEntitySpawningSystem()) {
            getSpawnersFromMarkers(c).forEach((blockf, spawners) -> {
@@ -329,110 +231,82 @@ public class IrisWorldManager extends EngineAssignedWorldManager {

                IrisPosition block = new IrisPosition(blockf.getX(), blockf.getY() + getEngine().getWorld().minHeight(), blockf.getZ());
                IrisSpawner s = new KList<>(spawners).getRandom();
-                spawn(block, s, false);
                J.a(() -> getMantle().raiseFlag(c.getX(), c.getZ(), MantleFlag.INITIAL_SPAWNED_MARKER,
-                        () -> spawn(block, s, true)));
+                        () -> spawn(block, s)));
            });
        }

-        if (v != null && v.getReferenceSpawner() != null) {
-            int maxEntCount = v.getReferenceSpawner().getMaxEntitiesPerChunk();
+        if (!IrisSettings.get().getWorld().isAnbientEntitySpawningSystem()) {
+            return;
+        }

-            for (Entity i : c.getEntities()) {
-                if (i instanceof LivingEntity) {
-                    if (-maxEntCount <= 0) {
-                        return;
-                    }
-                }
-            }
+        //@builder
+        Predicate<IrisSpawner> filter = i -> i.canSpawn(getEngine(), c.getX(), c.getZ());
+        ChunkCounter counter = new ChunkCounter(c.getEntities());

-            try {
-                spawn(c, v);
-            } catch (Throwable e) {
-                J.s(() -> spawn(c, v));
-            }
+        IrisBiome biome = getEngine().getSurfaceBiome(c);
+        IrisEntitySpawn v = spawnRandomly(Stream.concat(getData().getSpawnerLoader()
+                                .loadAll(getDimension().getEntitySpawners())
+                                .shuffleCopy(RNG.r)
+                                .stream()
+                                .filter(filter)
+                                .filter((i) -> i.isValid(biome)),
+                        Stream.concat(getData()
+                                        .getSpawnerLoader()
+                                        .loadAll(getEngine().getRegion(c.getX() << 4, c.getZ() << 4).getEntitySpawners())
+                                        .shuffleCopy(RNG.r)
+                                        .stream()
+                                        .filter(filter),
+                                getData().getSpawnerLoader()
+                                        .loadAll(getEngine().getSurfaceBiome(c.getX() << 4, c.getZ() << 4).getEntitySpawners())
+                                        .shuffleCopy(RNG.r)
+                                        .stream()
+                                        .filter(filter)))
+                .filter(counter)
+                .flatMap(this::stream)
+                .collect(Collectors.toList()))
+                .getRandom();
+        //@done
+        if (v == null || v.getReferenceSpawner() == null)
+            return;
+
+        try {
+            spawn(c, v);
+        } catch (Throwable e) {
+            J.s(() -> spawn(c, v));
        }
    }

    private void spawn(Chunk c, IrisEntitySpawn i) {
-        boolean allow = true;
-
-        if (!i.getReferenceSpawner().getMaximumRatePerChunk().isInfinite()) {
-            allow = false;
-            IrisEngineChunkData cd = getEngine().getEngineData().getChunk(c.getX(), c.getZ());
-            IrisEngineSpawnerCooldown sc = null;
-            for (IrisEngineSpawnerCooldown j : cd.getCooldowns()) {
-                if (j.getSpawner().equals(i.getReferenceSpawner().getLoadKey())) {
-                    sc = j;
-                    break;
-                }
-            }
-
-            if (sc == null) {
-                sc = new IrisEngineSpawnerCooldown();
-                sc.setSpawner(i.getReferenceSpawner().getLoadKey());
-                cd.getCooldowns().add(sc);
-            }
-
-            if (sc.canSpawn(i.getReferenceSpawner().getMaximumRatePerChunk())) {
-                sc.spawn(getEngine());
-                allow = true;
-            }
-        }
-
-        if (allow) {
-            int s = i.spawn(getEngine(), c, RNG.r);
-            actuallySpawned += s;
-            if (s > 0) {
-                getCooldown(i.getReferenceSpawner()).spawn(getEngine());
-                energy -= s * ((i.getEnergyMultiplier() * i.getReferenceSpawner().getEnergyMultiplier() * 1));
-            }
+        IrisSpawner ref = i.getReferenceSpawner();
+        int s = i.spawn(getEngine(), c, RNG.r);
+        actuallySpawned += s;
+        if (s > 0) {
+            ref.spawn(getEngine(), c.getX(), c.getZ());
+            energy -= s * ((i.getEnergyMultiplier() * ref.getEnergyMultiplier() * 1));
        }
    }

-    private void spawn(IrisPosition c, IrisEntitySpawn i) {
-        boolean allow = true;
+    private void spawn(IrisPosition pos, IrisEntitySpawn i) {
+        IrisSpawner ref = i.getReferenceSpawner();
+        if (!ref.canSpawn(getEngine(), pos.getX() >> 4, pos.getZ()))
+            return;

-        if (!i.getReferenceSpawner().getMaximumRatePerChunk().isInfinite()) {
-            allow = false;
-            IrisEngineChunkData cd = getEngine().getEngineData().getChunk(c.getX() >> 4, c.getZ() >> 4);
-            IrisEngineSpawnerCooldown sc = null;
-            for (IrisEngineSpawnerCooldown j : cd.getCooldowns()) {
-                if (j.getSpawner().equals(i.getReferenceSpawner().getLoadKey())) {
-                    sc = j;
-                    break;
-                }
-            }
-
-            if (sc == null) {
-                sc = new IrisEngineSpawnerCooldown();
-                sc.setSpawner(i.getReferenceSpawner().getLoadKey());
-                cd.getCooldowns().add(sc);
-            }
-
-            if (sc.canSpawn(i.getReferenceSpawner().getMaximumRatePerChunk())) {
-                sc.spawn(getEngine());
-                allow = true;
-            }
-        }
-
-        if (allow) {
-            int s = i.spawn(getEngine(), c, RNG.r);
-            actuallySpawned += s;
-            if (s > 0) {
-                getCooldown(i.getReferenceSpawner()).spawn(getEngine());
-                energy -= s * ((i.getEnergyMultiplier() * i.getReferenceSpawner().getEnergyMultiplier() * 1));
-            }
+        int s = i.spawn(getEngine(), pos, RNG.r);
+        actuallySpawned += s;
+        if (s > 0) {
+            ref.spawn(getEngine(), pos.getX() >> 4, pos.getZ() >> 4);
+            energy -= s * ((i.getEnergyMultiplier() * ref.getEnergyMultiplier() * 1));
        }
    }

-    private Stream<IrisEntitySpawn> stream(IrisSpawner s, boolean initial) {
-        for (IrisEntitySpawn i : initial ? s.getInitialSpawns() : s.getSpawns()) {
+    private Stream<IrisEntitySpawn> stream(IrisSpawner s) {
+        for (IrisEntitySpawn i : s.getInitialSpawns()) {
            i.setReferenceSpawner(s);
            i.setReferenceMarker(s.getReferenceMarker());
        }

-        return (initial ? s.getInitialSpawns() : s.getSpawns()).stream();
+        return (s.getInitialSpawns()).stream();
    }

    private KList<IrisEntitySpawn> spawnRandomly(List<IrisEntitySpawn> types) {
@@ -450,31 +324,6 @@ public class IrisWorldManager extends EngineAssignedWorldManager {
        return rarityTypes;
    }

-    public boolean canSpawn(IrisSpawner i) {
-        return i.isValid(getEngine().getWorld().realWorld())
-                && getCooldown(i).canSpawn(i.getMaximumRate());
-    }
-
-    private IrisEngineSpawnerCooldown getCooldown(IrisSpawner i) {
-        IrisEngineData ed = getEngine().getEngineData();
-        IrisEngineSpawnerCooldown cd = null;
-
-        for (IrisEngineSpawnerCooldown j : ed.getSpawnerCooldowns()) {
-            if (j.getSpawner().equals(i.getLoadKey())) {
-                cd = j;
-            }
-        }
-
-        if (cd == null) {
-            cd = new IrisEngineSpawnerCooldown();
-            cd.setSpawner(i.getLoadKey());
-            cd.setLastSpawn(M.ms() - i.getMaximumRate().getInterval());
-            ed.getSpawnerCooldowns().add(cd);
-        }
-
-        return cd;
-    }
-
    @Override
    public void onTick() {

@@ -504,7 +353,7 @@ public class IrisWorldManager extends EngineAssignedWorldManager {
        }
    }

-    private void spawn(IrisPosition block, IrisSpawner spawner, boolean initial) {
+    private void spawn(IrisPosition block, IrisSpawner spawner) {
        if (getEngine().isClosed()) {
            return;
        }
@@ -513,7 +362,7 @@ public class IrisWorldManager extends EngineAssignedWorldManager {
            return;
        }

-        KList<IrisEntitySpawn> s = initial ? spawner.getInitialSpawns() : spawner.getSpawns();
+        KList<IrisEntitySpawn> s = spawner.getInitialSpawns();
        if (s.isEmpty()) {
            return;
        }
@@ -708,4 +557,27 @@ public class IrisWorldManager extends EngineAssignedWorldManager {

        return (double) entityCount / (getEngine().getWorld().realWorld().getLoadedChunks().length + 1) * 1.28;
    }
+
+    @Data
+    private static class ChunkCounter implements Predicate<IrisSpawner> {
+        private final Entity[] entities;
+        private transient int index = 0;
+        private transient int count = 0;
+
+        @Override
+        public boolean test(IrisSpawner spawner) {
+            int max = spawner.getMaxEntitiesPerChunk();
+            if (max <= count)
+                return false;
+
+            while (index < entities.length) {
+                if (entities[index++] instanceof LivingEntity) {
+                    if (++count >= max)
+                        return false;
+                }
+            }
+
+            return true;
+        }
+    }
 }
--- a/core/src/main/java/com/volmit/iris/engine/data/chunk/LinkedTerrainChunk.java
+++ b/core/src/main/java/com/volmit/iris/engine/data/chunk/LinkedTerrainChunk.java
@@ -21,7 +21,7 @@ package com.volmit.iris.engine.data.chunk;
 import com.volmit.iris.core.nms.BiomeBaseInjector;
 import com.volmit.iris.core.nms.INMS;
 import com.volmit.iris.util.data.IrisBiomeStorage;
-import com.volmit.iris.util.data.IrisBlockData;
+import com.volmit.iris.util.data.IrisCustomData;
 import lombok.Setter;
 import org.bukkit.Bukkit;
 import org.bukkit.Material;
@@ -121,7 +121,7 @@ public class LinkedTerrainChunk implements TerrainChunk {

    @Override
    public synchronized void setBlock(int x, int y, int z, BlockData blockData) {
-        if (blockData instanceof IrisBlockData d)
+        if (blockData instanceof IrisCustomData d)
            blockData = d.getBase();
        rawChunkData.setBlock(x, y, z, blockData);
    }
--- a/core/src/main/java/com/volmit/iris/engine/data/chunk/MCATerrainChunk.java
+++ b/core/src/main/java/com/volmit/iris/engine/data/chunk/MCATerrainChunk.java
@@ -20,7 +20,7 @@ package com.volmit.iris.engine.data.chunk;

 import com.volmit.iris.Iris;
 import com.volmit.iris.core.nms.BiomeBaseInjector;
-import com.volmit.iris.util.data.IrisBlockData;
+import com.volmit.iris.util.data.IrisCustomData;
 import com.volmit.iris.util.nbt.mca.Chunk;
 import com.volmit.iris.util.nbt.mca.NBTWorld;
 import lombok.AllArgsConstructor;
@@ -89,7 +89,7 @@ public class MCATerrainChunk implements TerrainChunk {
        if (blockData == null) {
            Iris.error("NULL BD");
        }
-        if (blockData instanceof IrisBlockData data)
+        if (blockData instanceof IrisCustomData data)
            blockData = data.getBase();

        mcaChunk.setBlockStateAt(xx, y, zz, NBTWorld.getCompound(blockData), false);
--- a/core/src/main/java/com/volmit/iris/engine/decorator/IrisCeilingDecorator.java
+++ b/core/src/main/java/com/volmit/iris/engine/decorator/IrisCeilingDecorator.java
@@ -18,18 +18,16 @@

 package com.volmit.iris.engine.decorator;

-import com.volmit.iris.engine.data.cache.Cache;
 import com.volmit.iris.engine.framework.Engine;
 import com.volmit.iris.engine.object.IrisBiome;
 import com.volmit.iris.engine.object.IrisDecorationPart;
 import com.volmit.iris.engine.object.IrisDecorator;
-import com.volmit.iris.util.data.B;
 import com.volmit.iris.util.documentation.BlockCoordinates;
 import com.volmit.iris.util.hunk.Hunk;
+import com.volmit.iris.util.math.RNG;
 import org.bukkit.Material;
 import org.bukkit.block.BlockFace;
 import org.bukkit.block.data.BlockData;
-import org.bukkit.block.data.MultipleFacing;
 import org.bukkit.block.data.type.PointedDripstone;

 public class IrisCeilingDecorator extends IrisEngineDecorator {
@@ -40,20 +38,14 @@ public class IrisCeilingDecorator extends IrisEngineDecorator {
    @BlockCoordinates
    @Override
    public void decorate(int x, int z, int realX, int realX1, int realX_1, int realZ, int realZ1, int realZ_1, Hunk<BlockData> data, IrisBiome biome, int height, int max) {
-        IrisDecorator decorator = getDecorator(biome, realX, realZ);
+        RNG rng = getRNG(realX, realZ);
+        IrisDecorator decorator = getDecorator(rng, biome, realX, realZ);
+
        if (decorator != null) {
            if (!decorator.isStacking()) {
-                if (height >= 0 || height < getEngine().getHeight()) {
-                    if (null != decorator.getBlockDataForTop(biome, getRng(), realX, height, realZ, getData())) {
-                        data.set(x, height, z, decorator.getBlockData100(biome, getRng(), realX, height, realZ, getData()));
-                        height--;
-                        data.set(x, height, z, decorator.getBlockDataForTop(biome, getRng(), realX, height, realZ, getData()));
-                    } else {
-                        data.set(x, height, z, decorator.getBlockData100(biome, getRng(), realX, height, realZ, getData()));
-                    }
-                }
+                data.set(x, height, z, fixFaces(decorator.getBlockData100(biome, rng, realX, height, realZ, getData()), data, x, z, realX, height, realZ));
            } else {
-                int stack = decorator.getHeight(getRng().nextParallelRNG(Cache.key(realX, realZ)), realX, realZ, getData());
+                int stack = decorator.getHeight(rng, realX, realZ, getData());
                if (decorator.isScaleStack()) {
                    stack = Math.min((int) Math.ceil((double) max * ((double) stack / 100)), decorator.getAbsoluteMaxStack());
                } else {
@@ -61,7 +53,7 @@ public class IrisCeilingDecorator extends IrisEngineDecorator {
                }

                if (stack == 1) {
-                    data.set(x, height, z, decorator.getBlockDataForTop(biome, getRng(), realX, height, realZ, getData()));
+                    data.set(x, height, z, decorator.getBlockDataForTop(biome, rng, realX, height, realZ, getData()));
                    return;
                }

@@ -74,8 +66,8 @@ public class IrisCeilingDecorator extends IrisEngineDecorator {
                    double threshold = (((double) i) / (double) (stack - 1));

                    BlockData bd = threshold >= decorator.getTopThreshold() ?
-                            decorator.getBlockDataForTop(biome, getRng(), realX, h, realZ, getData()) :
-                            decorator.getBlockData100(biome, getRng(), realX, h, realZ, getData());
+                            decorator.getBlockDataForTop(biome, rng, realX, h, realZ, getData()) :
+                            decorator.getBlockData100(biome, rng, realX, h, realZ, getData());

                    if (bd instanceof PointedDripstone) {
                        PointedDripstone.Thickness th = PointedDripstone.Thickness.BASE;
@@ -105,24 +97,4 @@ public class IrisCeilingDecorator extends IrisEngineDecorator {
            }
        }
    }
-
-    private BlockData fixFaces(BlockData b, int x, int y, int z) {
-        if (B.isVineBlock(b)) {
-            MultipleFacing data = (MultipleFacing) b.clone();
-            boolean found = false;
-            for (BlockFace f : BlockFace.values()) {
-                if (!f.isCartesian())
-                    continue;
-                Material m = getEngine().getMantle().get(x + f.getModX(), y + f.getModY(), z + f.getModZ()).getMaterial();
-                if (m.isSolid()) {
-                    found = true;
-                    data.setFace(f, m.isSolid());
-                }
-            }
-            if (!found)
-                data.setFace(BlockFace.UP, true);
-            return data;
-        }
-        return b;
-    }
 }
--- a/core/src/main/java/com/volmit/iris/engine/decorator/IrisEngineDecorator.java
+++ b/core/src/main/java/com/volmit/iris/engine/decorator/IrisEngineDecorator.java
@@ -19,7 +19,6 @@
 package com.volmit.iris.engine.decorator;

 import com.volmit.iris.Iris;
-import com.volmit.iris.engine.data.cache.Cache;
 import com.volmit.iris.engine.framework.Engine;
 import com.volmit.iris.engine.framework.EngineAssignedComponent;
 import com.volmit.iris.engine.framework.EngineDecorator;
@@ -27,30 +26,42 @@ import com.volmit.iris.engine.object.IrisBiome;
 import com.volmit.iris.engine.object.IrisDecorationPart;
 import com.volmit.iris.engine.object.IrisDecorator;
 import com.volmit.iris.util.collection.KList;
+import com.volmit.iris.util.data.B;
+import com.volmit.iris.util.hunk.Hunk;
+import com.volmit.iris.util.documentation.BlockCoordinates;
 import com.volmit.iris.util.math.RNG;
 import lombok.Getter;
+import org.bukkit.block.BlockFace;
+import org.bukkit.block.BlockSupport;
+import org.bukkit.block.data.BlockData;
+import org.bukkit.block.data.MultipleFacing;

 public abstract class IrisEngineDecorator extends EngineAssignedComponent implements EngineDecorator {
-
-    @Getter
-    private final RNG rng;
-
    @Getter
    private final IrisDecorationPart part;
+    private final long seed;
+    private final long modX, modZ;

    public IrisEngineDecorator(Engine engine, String name, IrisDecorationPart part) {
        super(engine, name + " Decorator");
        this.part = part;
-        this.rng = new RNG(getSeed() + 29356788 - (part.ordinal() * 10439677L));
+        this.seed = getSeed() + 29356788 - (part.ordinal() * 10439677L);
+        this.modX = 29356788 ^ (part.ordinal() + 6);
+        this.modZ = 10439677 ^ (part.ordinal() + 1);
    }

-    protected IrisDecorator getDecorator(IrisBiome biome, double realX, double realZ) {
-        KList<IrisDecorator> v = new KList<>();
-        RNG rng = new RNG(Cache.key((int) realX, (int) realZ));
+    @BlockCoordinates
+    protected RNG getRNG(int x, int z) {
+        return new RNG(x * modX + z * modZ + seed);
+    }

+    protected IrisDecorator getDecorator(RNG rng, IrisBiome biome, double realX, double realZ) {
+        KList<IrisDecorator> v = new KList<>();
+
+        RNG gRNG = new RNG(seed);
        for (IrisDecorator i : biome.getDecorators()) {
            try {
-                if (i.getPartOf().equals(part) && i.getBlockData(biome, this.rng, realX, realZ, getData()) != null) {
+                if (i.getPartOf().equals(part) && i.getBlockData(biome, gRNG, realX, realZ, getData()) != null) {
                    v.add(i);
                }
            } catch (Throwable e) {
@@ -65,4 +76,40 @@ public abstract class IrisEngineDecorator extends EngineAssignedComponent implem

        return null;
    }
+
+    protected BlockData fixFaces(BlockData b, Hunk<BlockData> hunk, int rX, int rZ, int x, int y, int z) {
+        if (B.isVineBlock(b)) {
+            MultipleFacing data = (MultipleFacing) b.clone();
+            data.getFaces().forEach(f -> data.setFace(f, false));
+
+            boolean found = false;
+            for (BlockFace f : BlockFace.values()) {
+                if (!f.isCartesian())
+                    continue;
+                int yy = y + f.getModY();
+
+                BlockData r = getEngine().getMantle().get(x + f.getModX(), yy, z + f.getModZ());
+                if (r.isFaceSturdy(f.getOppositeFace(), BlockSupport.FULL)) {
+                    found = true;
+                    data.setFace(f, true);
+                    continue;
+                }
+
+                int xx = rX + f.getModX();
+                int zz = rZ + f.getModZ();
+                if (xx < 0 || xx > 15 || zz < 0 || zz > 15 || yy < 0 || yy > hunk.getHeight())
+                    continue;
+
+                r = hunk.get(xx, yy, zz);
+                if (r.isFaceSturdy(f.getOppositeFace(), BlockSupport.FULL)) {
+                    found = true;
+                    data.setFace(f, true);
+                }
+            }
+            if (!found)
+                data.setFace(BlockFace.DOWN, true);
+            return data;
+        }
+        return b;
+    }
 }
--- a/core/src/main/java/com/volmit/iris/engine/decorator/IrisSeaFloorDecorator.java
+++ b/core/src/main/java/com/volmit/iris/engine/decorator/IrisSeaFloorDecorator.java
@@ -18,13 +18,13 @@

 package com.volmit.iris.engine.decorator;

-import com.volmit.iris.engine.data.cache.Cache;
 import com.volmit.iris.engine.framework.Engine;
 import com.volmit.iris.engine.object.IrisBiome;
 import com.volmit.iris.engine.object.IrisDecorationPart;
 import com.volmit.iris.engine.object.IrisDecorator;
 import com.volmit.iris.util.documentation.BlockCoordinates;
 import com.volmit.iris.util.hunk.Hunk;
+import com.volmit.iris.util.math.RNG;
 import org.bukkit.block.data.BlockData;

 public class IrisSeaFloorDecorator extends IrisEngineDecorator {
@@ -35,7 +35,8 @@ public class IrisSeaFloorDecorator extends IrisEngineDecorator {
    @BlockCoordinates
    @Override
    public void decorate(int x, int z, int realX, int realX1, int realX_1, int realZ, int realZ1, int realZ_1, Hunk<BlockData> data, IrisBiome biome, int height, int max) {
-        IrisDecorator decorator = getDecorator(biome, realX, realZ);
+        RNG rng = getRNG(realX, realZ);
+        IrisDecorator decorator = getDecorator(rng, biome, realX, realZ);

        if (decorator != null) {
            if (!decorator.isStacking()) {
@@ -44,25 +45,17 @@ public class IrisSeaFloorDecorator extends IrisEngineDecorator {
                    return;
                }
                if (height >= 0 || height < getEngine().getHeight()) {
-                    if (null != decorator.getBlockDataForTop(biome, getRng(), realX, height, realZ, getData())) {
-                        if (height == getDimension().getFluidHeight() - 1) {
-                            data.set(x, height, z, decorator.getBlockData100(biome, getRng(), realX, height, realZ, getData()));
-                            height++;
-                            data.set(x, height, z, decorator.getBlockDataForTop(biome, getRng(), realX, height, realZ, getData()));
-                        }
-                    } else {
-                        data.set(x, height, z, decorator.getBlockData100(biome, getRng(), realX, height, realZ, getData()));
-                    }
+                    data.set(x, height, z, decorator.getBlockData100(biome, rng, realX, height, realZ, getData()));
                }
            } else {
-                int stack = decorator.getHeight(getRng().nextParallelRNG(Cache.key(realX, realZ)), realX, realZ, getData());
+                int stack = decorator.getHeight(rng, realX, realZ, getData());
                if (decorator.isScaleStack()) {
                    int maxStack = max - height;
                    stack = (int) Math.ceil((double) maxStack * ((double) stack / 100));
                } else stack = Math.min(stack, max - height);

                if (stack == 1) {
-                    data.set(x, height, z, decorator.getBlockDataForTop(biome, getRng(), realX, height, realZ, getData()));
+                    data.set(x, height, z, decorator.getBlockDataForTop(biome, rng, realX, height, realZ, getData()));
                    return;
                }

@@ -74,8 +67,8 @@ public class IrisSeaFloorDecorator extends IrisEngineDecorator {

                    double threshold = ((double) i) / (stack - 1);
                    data.set(x, h, z, threshold >= decorator.getTopThreshold() ?
-                            decorator.getBlockDataForTop(biome, getRng(), realX, h, realZ, getData()) :
-                            decorator.getBlockData100(biome, getRng(), realX, h, realZ, getData()));
+                            decorator.getBlockDataForTop(biome, rng, realX, h, realZ, getData()) :
+                            decorator.getBlockData100(biome, rng, realX, h, realZ, getData()));
                }
            }
        }
--- a/core/src/main/java/com/volmit/iris/engine/decorator/IrisSeaSurfaceDecorator.java
+++ b/core/src/main/java/com/volmit/iris/engine/decorator/IrisSeaSurfaceDecorator.java
@@ -18,13 +18,13 @@

 package com.volmit.iris.engine.decorator;

-import com.volmit.iris.engine.data.cache.Cache;
 import com.volmit.iris.engine.framework.Engine;
 import com.volmit.iris.engine.object.IrisBiome;
 import com.volmit.iris.engine.object.IrisDecorationPart;
 import com.volmit.iris.engine.object.IrisDecorator;
 import com.volmit.iris.util.documentation.BlockCoordinates;
 import com.volmit.iris.util.hunk.Hunk;
+import com.volmit.iris.util.math.RNG;
 import org.bukkit.block.data.BlockData;

 public class IrisSeaSurfaceDecorator extends IrisEngineDecorator {
@@ -35,28 +35,23 @@ public class IrisSeaSurfaceDecorator extends IrisEngineDecorator {
    @BlockCoordinates
    @Override
    public void decorate(int x, int z, int realX, int realX1, int realX_1, int realZ, int realZ1, int realZ_1, Hunk<BlockData> data, IrisBiome biome, int height, int max) {
-        IrisDecorator decorator = getDecorator(biome, realX, realZ);
+        RNG rng = getRNG(realX, realZ);
+        IrisDecorator decorator = getDecorator(rng, biome, realX, realZ);

        if (decorator != null) {
            if (!decorator.isStacking()) {
                if (height >= 0 || height < getEngine().getHeight()) {
-                    if (null != decorator.getBlockDataForTop(biome, getRng(), realX, height, realZ, getData())) {
-                        data.set(x, height, z, decorator.getBlockData100(biome, getRng(), realX, height, realZ, getData()));
-                        height++;
-                        data.set(x, height, z, decorator.getBlockDataForTop(biome, getRng(), realX, height, realZ, getData()));
-                    } else {
-                        data.set(x, height, z, decorator.getBlockData100(biome, getRng(), realX, height, realZ, getData()));
-                    }
+                    data.set(x, height + 1, z, decorator.getBlockData100(biome, rng, realX, height, realZ, getData()));
                }
            } else {
-                int stack = decorator.getHeight(getRng().nextParallelRNG(Cache.key(realX, realZ)), realX, realZ, getData());
+                int stack = decorator.getHeight(rng, realX, realZ, getData());
                if (decorator.isScaleStack()) {
                    int maxStack = max - height;
                    stack = (int) Math.ceil((double) maxStack * ((double) stack / 100));
                }

                if (stack == 1) {
-                    data.set(x, height, z, decorator.getBlockDataForTop(biome, getRng(), realX, height, realZ, getData()));
+                    data.set(x, height, z, decorator.getBlockDataForTop(biome, rng, realX, height, realZ, getData()));
                    return;
                }

@@ -68,8 +63,8 @@ public class IrisSeaSurfaceDecorator extends IrisEngineDecorator {

                    double threshold = ((double) i) / (stack - 1);
                    data.set(x, h + 1, z, threshold >= decorator.getTopThreshold() ?
-                            decorator.getBlockDataForTop(biome, getRng().nextParallelRNG(i), realX, h, realZ, getData()) :
-                            decorator.getBlockData100(biome, getRng().nextParallelRNG(i), realX, h, realZ, getData()));
+                            decorator.getBlockDataForTop(biome, rng, realX, h, realZ, getData()) :
+                            decorator.getBlockData100(biome, rng, realX, h, realZ, getData()));
                }
            }
        }
--- a/core/src/main/java/com/volmit/iris/engine/decorator/IrisShoreLineDecorator.java
+++ b/core/src/main/java/com/volmit/iris/engine/decorator/IrisShoreLineDecorator.java
@@ -18,13 +18,13 @@

 package com.volmit.iris.engine.decorator;

-import com.volmit.iris.engine.data.cache.Cache;
 import com.volmit.iris.engine.framework.Engine;
 import com.volmit.iris.engine.object.IrisBiome;
 import com.volmit.iris.engine.object.IrisDecorationPart;
 import com.volmit.iris.engine.object.IrisDecorator;
 import com.volmit.iris.util.documentation.BlockCoordinates;
 import com.volmit.iris.util.hunk.Hunk;
+import com.volmit.iris.util.math.RNG;
 import org.bukkit.block.data.BlockData;

 public class IrisShoreLineDecorator extends IrisEngineDecorator {
@@ -42,7 +42,8 @@ public class IrisShoreLineDecorator extends IrisEngineDecorator {
                    Math.round(getComplex().getHeightStream().get(realX, realZ1)) < getComplex().getFluidHeight() ||
                    Math.round(getComplex().getHeightStream().get(realX, realZ_1)) < getComplex().getFluidHeight()
            ) {
-                IrisDecorator decorator = getDecorator(biome, realX, realZ);
+                RNG rng = getRNG(realX, realZ);
+                IrisDecorator decorator = getDecorator(rng, biome, realX, realZ);

                if (decorator != null) {
                    if (!decorator.isForcePlace() && !decorator.getSlopeCondition().isDefault()
@@ -51,22 +52,16 @@ public class IrisShoreLineDecorator extends IrisEngineDecorator {
                    }

                    if (!decorator.isStacking()) {
-                        if (null != decorator.getBlockDataForTop(biome, getRng(), realX, height, realZ, getData())) {
-                            data.set(x, height, z, decorator.getBlockData100(biome, getRng(), realX, height, realZ, getData()));
-                            height++;
-                            data.set(x, height, z, decorator.getBlockDataForTop(biome, getRng(), realX, height, realZ, getData()));
-                        } else {
-                            data.set(x, height, z, decorator.getBlockData100(biome, getRng(), realX, height, realZ, getData()));
-                        }
+                        data.set(x, height + 1, z, decorator.getBlockData100(biome, rng, realX, height, realZ, getData()));
                    } else {
-                        int stack = decorator.getHeight(getRng().nextParallelRNG(Cache.key(realX, realZ)), realX, realZ, getData());
+                        int stack = decorator.getHeight(rng, realX, realZ, getData());
                        if (decorator.isScaleStack()) {
                            int maxStack = max - height;
                            stack = (int) Math.ceil((double) maxStack * ((double) stack / 100));
                        } else stack = Math.min(max - height, stack);

                        if (stack == 1) {
-                            data.set(x, height, z, decorator.getBlockDataForTop(biome, getRng(), realX, height, realZ, getData()));
+                            data.set(x, height, z, decorator.getBlockDataForTop(biome, rng, realX, height, realZ, getData()));
                            return;
                        }

@@ -74,8 +69,8 @@ public class IrisShoreLineDecorator extends IrisEngineDecorator {
                            int h = height + i;
                            double threshold = ((double) i) / (stack - 1);
                            data.set(x, h + 1, z, threshold >= decorator.getTopThreshold() ?
-                                    decorator.getBlockDataForTop(biome, getRng(), realX, h, realZ, getData()) :
-                                    decorator.getBlockData100(biome, getRng(), realX, h, realZ, getData()));
+                                    decorator.getBlockDataForTop(biome, rng, realX, h, realZ, getData()) :
+                                    decorator.getBlockData100(biome, rng, realX, h, realZ, getData()));
                        }
                    }
                }
--- a/core/src/main/java/com/volmit/iris/engine/decorator/IrisSurfaceDecorator.java
+++ b/core/src/main/java/com/volmit/iris/engine/decorator/IrisSurfaceDecorator.java
@@ -19,7 +19,6 @@
 package com.volmit.iris.engine.decorator;

 import com.volmit.iris.Iris;
-import com.volmit.iris.engine.data.cache.Cache;
 import com.volmit.iris.engine.framework.Engine;
 import com.volmit.iris.engine.object.InferredType;
 import com.volmit.iris.engine.object.IrisBiome;
@@ -28,11 +27,11 @@ import com.volmit.iris.engine.object.IrisDecorator;
 import com.volmit.iris.util.data.B;
 import com.volmit.iris.util.documentation.BlockCoordinates;
 import com.volmit.iris.util.hunk.Hunk;
+import com.volmit.iris.util.math.RNG;
 import org.bukkit.Material;
 import org.bukkit.block.BlockFace;
 import org.bukkit.block.data.Bisected;
 import org.bukkit.block.data.BlockData;
-import org.bukkit.block.data.MultipleFacing;
 import org.bukkit.block.data.type.PointedDripstone;

 public class IrisSurfaceDecorator extends IrisEngineDecorator {
@@ -48,7 +47,8 @@ public class IrisSurfaceDecorator extends IrisEngineDecorator {
        }

        BlockData bd, bdx;
-        IrisDecorator decorator = getDecorator(biome, realX, realZ);
+        RNG rng = getRNG(realX, realZ);
+        IrisDecorator decorator = getDecorator(rng, biome, realX, realZ);
        bdx = data.get(x, height, z);
        boolean underwater = height < getDimension().getFluidHeight();

@@ -59,7 +59,7 @@ public class IrisSurfaceDecorator extends IrisEngineDecorator {
            }

            if (!decorator.isStacking()) {
-                bd = decorator.getBlockData100(biome, getRng(), realX, height, realZ, getData());
+                bd = decorator.getBlockData100(biome, rng, realX, height, realZ, getData());

                if (!underwater) {
                    if (!canGoOn(bd, bdx) && (!decorator.isForcePlace() && decorator.getForceBlock() == null)) {
@@ -68,12 +68,12 @@ public class IrisSurfaceDecorator extends IrisEngineDecorator {
                }

                if (decorator.getForceBlock() != null) {
-                    data.set(x, height, z, fixFaces(decorator.getForceBlock().getBlockData(getData()), x, height, z));
+                    data.set(x, height, z, fixFaces(decorator.getForceBlock().getBlockData(getData()), data, x, z, realX, height, realZ));
                } else if (!decorator.isForcePlace()) {
                    if (decorator.getWhitelist() != null && decorator.getWhitelist().stream().noneMatch(d -> d.getBlockData(getData()).equals(bdx))) {
                        return;
                    }
-                    if (decorator.getBlacklist() != null && decorator.getWhitelist().stream().anyMatch(d -> d.getBlockData(getData()).equals(bdx))) {
+                    if (decorator.getBlacklist() != null && decorator.getBlacklist().stream().anyMatch(d -> d.getBlockData(getData()).equals(bdx))) {
                        return;
                    }
                }
@@ -91,14 +91,14 @@ public class IrisSurfaceDecorator extends IrisEngineDecorator {
                }

                if (B.isAir(data.get(x, height + 1, z))) {
-                    data.set(x, height + 1, z, fixFaces(bd, x, height + 1, z));
+                    data.set(x, height + 1, z, fixFaces(bd, data, x, z, realX, height + 1, realZ));
                }
            } else {
                if (height < getDimension().getFluidHeight()) {
                    max = getDimension().getFluidHeight();
                }

-                int stack = decorator.getHeight(getRng().nextParallelRNG(Cache.key(realX, realZ)), realX, realZ, getData());
+                int stack = decorator.getHeight(rng, realX, realZ, getData());

                if (decorator.isScaleStack()) {
                    stack = Math.min((int) Math.ceil((double) max * ((double) stack / 100)), decorator.getAbsoluteMaxStack());
@@ -107,7 +107,7 @@ public class IrisSurfaceDecorator extends IrisEngineDecorator {
                }

                if (stack == 1) {
-                    data.set(x, height, z, decorator.getBlockDataForTop(biome, getRng(), realX, height, realZ, getData()));
+                    data.set(x, height, z, decorator.getBlockDataForTop(biome, rng, realX, height, realZ, getData()));
                    return;
                }

@@ -115,8 +115,8 @@ public class IrisSurfaceDecorator extends IrisEngineDecorator {
                    int h = height + i;
                    double threshold = ((double) i) / (stack - 1);
                    bd = threshold >= decorator.getTopThreshold() ?
-                            decorator.getBlockDataForTop(biome, getRng(), realX, h, realZ, getData()) :
-                            decorator.getBlockData100(biome, getRng(), realX, h, realZ, getData());
+                            decorator.getBlockDataForTop(biome, rng, realX, h, realZ, getData()) :
+                            decorator.getBlockData100(biome, rng, realX, h, realZ, getData());

                    if (bd == null) {
                        break;
@@ -158,24 +158,4 @@ public class IrisSurfaceDecorator extends IrisEngineDecorator {
            }
        }
    }
-
-    private BlockData fixFaces(BlockData b, int x, int y, int z) {
-        if (B.isVineBlock(b)) {
-            MultipleFacing data = (MultipleFacing) b.clone();
-            boolean found = false;
-            for (BlockFace f : BlockFace.values()) {
-                if (!f.isCartesian())
-                    continue;
-                Material m = getEngine().getMantle().get(x + f.getModX(), y + f.getModY(), z + f.getModZ()).getMaterial();
-                if (m.isSolid()) {
-                    found = true;
-                    data.setFace(f, m.isSolid());
-                }
-            }
-            if (!found)
-                data.setFace(BlockFace.UP, true);
-            return data;
-        }
-        return b;
-    }
 }
--- a/core/src/main/java/com/volmit/iris/engine/framework/Engine.java
+++ b/core/src/main/java/com/volmit/iris/engine/framework/Engine.java
@@ -20,6 +20,7 @@ package com.volmit.iris.engine.framework;

 import com.volmit.iris.Iris;
 import com.volmit.iris.core.IrisSettings;
+import com.volmit.iris.core.events.IrisLootEvent;
 import com.volmit.iris.core.gui.components.RenderType;
 import com.volmit.iris.core.gui.components.Renderer;
 import com.volmit.iris.core.link.Identifier;
@@ -27,6 +28,7 @@ import com.volmit.iris.core.loader.IrisData;
 import com.volmit.iris.core.loader.IrisRegistrant;
 import com.volmit.iris.core.nms.container.BlockPos;
 import com.volmit.iris.core.nms.container.Pair;
+import com.volmit.iris.core.pregenerator.ChunkUpdater;
 import com.volmit.iris.core.service.ExternalDataSVC;
 import com.volmit.iris.engine.IrisComplex;
 import com.volmit.iris.engine.data.cache.Cache;
@@ -40,7 +42,7 @@ import com.volmit.iris.util.context.ChunkContext;
 import com.volmit.iris.util.context.IrisContext;
 import com.volmit.iris.util.data.B;
 import com.volmit.iris.util.data.DataProvider;
-import com.volmit.iris.util.data.IrisBlockData;
+import com.volmit.iris.util.data.IrisCustomData;
 import com.volmit.iris.util.documentation.BlockCoordinates;
 import com.volmit.iris.util.documentation.ChunkCoordinates;
 import com.volmit.iris.util.format.C;
@@ -57,15 +59,13 @@ import com.volmit.iris.util.matter.TileWrapper;
 import com.volmit.iris.util.matter.slices.container.JigsawPieceContainer;
 import com.volmit.iris.util.parallel.BurstExecutor;
 import com.volmit.iris.util.parallel.MultiBurst;
+import com.volmit.iris.util.reflect.W;
 import com.volmit.iris.util.scheduling.ChronoLatch;
 import com.volmit.iris.util.scheduling.J;
 import com.volmit.iris.util.scheduling.PrecisionStopwatch;
 import com.volmit.iris.util.stream.ProceduralStream;
 import io.papermc.lib.PaperLib;
-import org.bukkit.Bukkit;
-import org.bukkit.Chunk;
-import org.bukkit.Location;
-import org.bukkit.Material;
+import org.bukkit.*;
 import org.bukkit.block.Biome;
 import org.bukkit.block.Block;
 import org.bukkit.block.BlockFace;
@@ -76,10 +76,12 @@ import org.bukkit.inventory.Inventory;
 import org.bukkit.inventory.InventoryHolder;
 import org.bukkit.inventory.ItemStack;

-import java.awt.*;
+import java.awt.Color;
 import java.util.Arrays;
 import java.util.Set;
 import java.util.UUID;
+import java.util.concurrent.CompletableFuture;
+import java.util.concurrent.Semaphore;
 import java.util.concurrent.atomic.AtomicBoolean;
 import java.util.concurrent.atomic.AtomicInteger;
 import java.util.concurrent.atomic.AtomicLong;
@@ -257,10 +259,8 @@ public interface Engine extends DataProvider, Fallible, LootProvider, BlockUpdat
        if (B.isUpdatable(data)) {
            getMantle().updateBlock(x, y, z);
        }
-        if (data instanceof IrisBlockData d) {
-            getMantle().getMantle().set(x, y, z, d.getCustom());
-        } else {
-            getMantle().getMantle().remove(x, y, z, Identifier.class);
+        if (data instanceof IrisCustomData) {
+            getMantle().getMantle().flag(x >> 4, z >> 4, MantleFlag.CUSTOM, true);
        }
    }

@@ -273,33 +273,43 @@ public interface Engine extends DataProvider, Fallible, LootProvider, BlockUpdat
            for (int z = -1; z <= 1; z++) {
                if (c.getWorld().isChunkLoaded(c.getX() + x, c.getZ() + z))
                    continue;
-                Iris.debug("Chunk %s, %s [%s, %s] is not loaded".formatted(c.getX() + x, c.getZ() + z, x, z));
+                var msg = "Chunk %s, %s [%s, %s] is not loaded".formatted(c.getX() + x, c.getZ() + z, x, z);
+                if (W.getStack().getCallerClass().equals(ChunkUpdater.class)) Iris.warn(msg);
+                else Iris.debug(msg);
                return;
            }
        }
-        if (!getMantle().getMantle().isLoaded(c)) {
-            Iris.debug("Mantle Chunk " + c.getX() + c.getX() + " is not loaded");
+        var mantle = getMantle().getMantle();
+        if (!mantle.isLoaded(c)) {
+            var msg = "Mantle Chunk " + c.getX() + c.getX() + " is not loaded";
+            if (W.getStack().getCallerClass().equals(ChunkUpdater.class)) Iris.warn(msg);
+            else Iris.debug(msg);
            return;
        }

-        getMantle().getMantle().raiseFlag(c.getX(), c.getZ(), MantleFlag.TILE, () -> J.s(() -> {
-            getMantle().getMantle().iterateChunk(c.getX(), c.getZ(), TileWrapper.class, (x, y, z, v) -> {
+        var chunk = mantle.getChunk(c);
+        if (chunk.isFlagged(MantleFlag.ETCHED)) return;
+        chunk.flag(MantleFlag.ETCHED, true);
+
+        Semaphore semaphore = new Semaphore(3);
+        chunk.raiseFlag(MantleFlag.TILE, run(semaphore, () -> J.s(() -> {
+            mantle.iterateChunk(c.getX(), c.getZ(), TileWrapper.class, (x, y, z, v) -> {
                int betterY = y + getWorld().minHeight();
                if (!TileData.setTileState(c.getBlock(x, betterY, z), v.getData()))
                    Iris.warn("Failed to set tile entity data at [%d %d %d | %s] for tile %s!", x, betterY, z, c.getBlock(x, betterY, z).getBlockData().getMaterial().getKey(), v.getData().getMaterial().name());
            });
-        }));
-        getMantle().getMantle().raiseFlag(c.getX(), c.getZ(), MantleFlag.CUSTOM, () -> J.s(() -> {
-            getMantle().getMantle().iterateChunk(c.getX(), c.getZ(), Identifier.class, (x, y, z, v) -> {
+        })));
+        chunk.raiseFlag(MantleFlag.CUSTOM, run(semaphore, () -> J.s(() -> {
+            mantle.iterateChunk(c.getX(), c.getZ(), Identifier.class, (x, y, z, v) -> {
                Iris.service(ExternalDataSVC.class).processUpdate(this, c.getBlock(x & 15, y + getWorld().minHeight(), z & 15), v);
            });
-        }));
+        })));

-        getMantle().getMantle().raiseFlag(c.getX(), c.getZ(), MantleFlag.UPDATE, () -> J.s(() -> {
+        chunk.raiseFlag(MantleFlag.UPDATE, run(semaphore, () -> J.s(() -> {
            PrecisionStopwatch p = PrecisionStopwatch.start();
            KMap<Long, Integer> updates = new KMap<>();
            RNG r = new RNG(Cache.key(c.getX(), c.getZ()));
-            getMantle().getMantle().iterateChunk(c.getX(), c.getZ(), MatterCavern.class, (x, yf, z, v) -> {
+            mantle.iterateChunk(c.getX(), c.getZ(), MatterCavern.class, (x, yf, z, v) -> {
                int y = yf + getWorld().minHeight();
                if (!B.isFluid(c.getBlock(x & 15, y, z & 15).getBlockData())) {
                    return;
@@ -329,7 +339,7 @@ public interface Engine extends DataProvider, Fallible, LootProvider, BlockUpdat
            });

            updates.forEach((k, v) -> update(Cache.keyX(k), v, Cache.keyZ(k), c, r));
-            getMantle().getMantle().iterateChunk(c.getX(), c.getZ(), MatterUpdate.class, (x, yf, z, v) -> {
+            mantle.iterateChunk(c.getX(), c.getZ(), MatterUpdate.class, (x, yf, z, v) -> {
                int y = yf + getWorld().minHeight();
                if (v != null && v.isUpdate()) {
                    int vx = x & 15;
@@ -340,9 +350,25 @@ public interface Engine extends DataProvider, Fallible, LootProvider, BlockUpdat
                    }
                }
            });
-            getMantle().getMantle().deleteChunkSlice(c.getX(), c.getZ(), MatterUpdate.class);
+            mantle.deleteChunkSlice(c.getX(), c.getZ(), MatterUpdate.class);
            getMetrics().getUpdates().put(p.getMilliseconds());
-        }, RNG.r.i(0, 20)));
+        }, RNG.r.i(0, 20))));
+
+        try {
+            semaphore.acquire(3);
+        } catch (InterruptedException ignored) {}
+    }
+
+    private static Runnable run(Semaphore semaphore, Runnable runnable) {
+        return () -> {
+            if (!semaphore.tryAcquire())
+                return;
+            try {
+                runnable.run();
+            } finally {
+                semaphore.release();
+            }
+        };
    }

    @BlockCoordinates
@@ -388,7 +414,7 @@ public interface Engine extends DataProvider, Fallible, LootProvider, BlockUpdat
                    if (tables.isEmpty())
                        return;
                    InventoryHolder m = (InventoryHolder) block.getState();
-                    addItems(false, m.getInventory(), rx, tables, slot, x, y, z, 15);
+                    addItems(false, m.getInventory(), rx, tables, slot, c.getWorld(), x, y, z, 15);

                } catch (Throwable e) {
                    Iris.reportError(e);
@@ -441,7 +467,10 @@ public interface Engine extends DataProvider, Fallible, LootProvider, BlockUpdat
    }

    @Override
-    default void injectTables(KList<IrisLootTable> list, IrisLootReference r) {
+    default void injectTables(KList<IrisLootTable> list, IrisLootReference r, boolean fallback) {
+        if (r.getMode().equals(IrisLootMode.FALLBACK) && !fallback)
+            return;
+
        if (r.getMode().equals(IrisLootMode.CLEAR) || r.getMode().equals(IrisLootMode.REPLACE)) {
            list.clear();
        }
@@ -476,10 +505,11 @@ public interface Engine extends DataProvider, Fallible, LootProvider, BlockUpdat
        IrisBiome biomeUnder = ry < he ? getComplex().getCaveBiomeStream().get(rx, rz) : biomeSurface;

        double multiplier = 1D * getDimension().getLoot().getMultiplier() * region.getLoot().getMultiplier() * biomeSurface.getLoot().getMultiplier() * biomeUnder.getLoot().getMultiplier();
-        injectTables(tables, getDimension().getLoot());
-        injectTables(tables, region.getLoot());
-        injectTables(tables, biomeSurface.getLoot());
-        injectTables(tables, biomeUnder.getLoot());
+        boolean fallback = tables.isEmpty();
+        injectTables(tables, getDimension().getLoot(), fallback);
+        injectTables(tables, region.getLoot(), fallback);
+        injectTables(tables, biomeSurface.getLoot(), fallback);
+        injectTables(tables, biomeUnder.getLoot(), fallback);

        if (tables.isNotEmpty()) {
            int target = (int) Math.round(tables.size() * multiplier);
@@ -497,16 +527,16 @@ public interface Engine extends DataProvider, Fallible, LootProvider, BlockUpdat
    }

    @Override
-    default void addItems(boolean debug, Inventory inv, RNG rng, KList<IrisLootTable> tables, InventorySlotType slot, int x, int y, int z, int mgf) {
+    default void addItems(boolean debug, Inventory inv, RNG rng, KList<IrisLootTable> tables, InventorySlotType slot, World world, int x, int y, int z, int mgf) {
        KList<ItemStack> items = new KList<>();

-        int b = 4;
        for (IrisLootTable i : tables) {
            if (i == null)
                continue;
-            b++;
-            items.addAll(i.getLoot(debug, rng, slot, x, y, z));
+            items.addAll(i.getLoot(debug, rng, slot, world, x, y, z));
        }
+        if (IrisLootEvent.callLootEvent(items, inv, world, x, y, z))
+            return;

        if (PaperLib.isPaper() && getWorld().hasRealWorld()) {
            PaperLib.getChunkAtAsync(getWorld().realWorld(), x >> 4, z >> 4).thenAccept((c) -> {
@@ -580,6 +610,8 @@ public interface Engine extends DataProvider, Fallible, LootProvider, BlockUpdat

    int getGenerated();

+    CompletableFuture<Long> getHash32();
+
    default <T> IrisPosition lookForStreamResult(T find, ProceduralStream<T> stream, Function2<T, T, Boolean> matcher, long timeout) {
        AtomicInteger checked = new AtomicInteger();
        AtomicLong time = new AtomicLong(M.ms());
--- a/core/src/main/java/com/volmit/iris/engine/framework/IrisLootEvent.java
+++ b/core/src/main/java/com/volmit/iris/engine/framework/IrisLootEvent.java
@@ -1,32 +0,0 @@
-package com.volmit.iris.engine.framework;
-
-import com.volmit.iris.engine.object.InventorySlotType;
-import com.volmit.iris.engine.object.IrisLootTable;
-import com.volmit.iris.util.collection.KList;
-import lombok.Getter;
-import org.bukkit.block.Block;
-import org.bukkit.event.Event;
-import org.bukkit.event.HandlerList;
-
-@Getter
-public class IrisLootEvent extends Event {
-    private static final HandlerList handlers = new HandlerList();
-    private final Engine engine;
-    private final Block block;
-    private final InventorySlotType slot;
-    private final KList<IrisLootTable> tables;
-
-    public IrisLootEvent(Engine engine, Block block, InventorySlotType slot, KList<IrisLootTable> tables) {
-        this.engine = engine;
-        this.block = block;
-        this.slot = slot;
-        this.tables = tables;
-    }
-    @Override
-    public HandlerList getHandlers() {
-        return handlers;
-    }
-    public static HandlerList getHandlerList() {
-        return handlers;
-    }
-}
--- a/core/src/main/java/com/volmit/iris/engine/framework/ListFunction.java
+++ b/core/src/main/java/com/volmit/iris/engine/framework/ListFunction.java
@@ -1,8 +1,10 @@
 package com.volmit.iris.engine.framework;

+import com.volmit.iris.core.loader.IrisData;
+
 import java.util.function.Function;

-public interface ListFunction<T, R> extends Function<T, R> {
+public interface ListFunction<R> extends Function<IrisData, R> {
    String key();
    String fancyName();
 }
--- a/core/src/main/java/com/volmit/iris/engine/framework/LootProvider.java
+++ b/core/src/main/java/com/volmit/iris/engine/framework/LootProvider.java
@@ -23,15 +23,16 @@ import com.volmit.iris.engine.object.IrisLootReference;
 import com.volmit.iris.engine.object.IrisLootTable;
 import com.volmit.iris.util.collection.KList;
 import com.volmit.iris.util.math.RNG;
+import org.bukkit.World;
 import org.bukkit.block.Block;
 import org.bukkit.inventory.Inventory;

 public interface LootProvider {
    void scramble(Inventory inventory, RNG rng);

-    void injectTables(KList<IrisLootTable> list, IrisLootReference r);
+    void injectTables(KList<IrisLootTable> list, IrisLootReference r, boolean fallback);

    KList<IrisLootTable> getLootTables(RNG rng, Block b);

-    void addItems(boolean debug, Inventory inv, RNG rng, KList<IrisLootTable> tables, InventorySlotType slot, int x, int y, int z, int mgf);
+    void addItems(boolean debug, Inventory inv, RNG rng, KList<IrisLootTable> tables, InventorySlotType slot, World world, int x, int y, int z, int mgf);
 }
--- a/core/src/main/java/com/volmit/iris/engine/framework/placer/WorldObjectPlacer.java
+++ b/core/src/main/java/com/volmit/iris/engine/framework/placer/WorldObjectPlacer.java
@@ -5,7 +5,7 @@ import com.volmit.iris.core.loader.IrisData;
 import com.volmit.iris.core.tools.IrisToolbelt;
 import com.volmit.iris.engine.data.cache.Cache;
 import com.volmit.iris.engine.framework.Engine;
-import com.volmit.iris.engine.framework.IrisLootEvent;
+import com.volmit.iris.core.events.IrisLootEvent;
 import com.volmit.iris.engine.mantle.EngineMantle;
 import com.volmit.iris.engine.object.IObjectPlacer;
 import com.volmit.iris.engine.object.InventorySlotType;
@@ -13,6 +13,7 @@ import com.volmit.iris.engine.object.IrisLootTable;
 import com.volmit.iris.engine.object.TileData;
 import com.volmit.iris.util.collection.KList;
 import com.volmit.iris.util.data.B;
+import com.volmit.iris.util.data.IrisCustomData;
 import com.volmit.iris.util.math.RNG;
 import lombok.EqualsAndHashCode;
 import lombok.Getter;
@@ -20,8 +21,6 @@ import org.bukkit.Bukkit;
 import org.bukkit.Material;
 import org.bukkit.World;
 import org.bukkit.block.Block;
-import org.bukkit.block.BlockState;
-import org.bukkit.block.TileState;
 import org.bukkit.block.data.BlockData;
 import org.bukkit.inventory.InventoryHolder;

@@ -74,13 +73,17 @@ public class WorldObjectPlacer implements IObjectPlacer {
                if (tables.isEmpty())
                    return;
                InventoryHolder m = (InventoryHolder) block.getState();
-                engine.addItems(false, m.getInventory(), rx, tables, slot, x, y, z, 15);
+                engine.addItems(false, m.getInventory(), rx, tables, slot, world, x, y, z, 15);
            } catch (Throwable e) {
                Iris.reportError(e);
            }
        }

-        block.setBlockData(d);
+
+        if (d instanceof IrisCustomData data) {
+            block.setBlockData(data.getBase());
+            Iris.warn("Tried to place custom block at " + x + ", " + y + ", " + z + " which is not supported!");
+        } else block.setBlockData(d);
    }

    @Override
--- a/core/src/main/java/com/volmit/iris/engine/jigsaw/PlannedStructure.java
+++ b/core/src/main/java/com/volmit/iris/engine/jigsaw/PlannedStructure.java
@@ -25,7 +25,6 @@ import com.volmit.iris.engine.framework.Engine;
 import com.volmit.iris.engine.framework.placer.WorldObjectPlacer;
 import com.volmit.iris.engine.object.*;
 import com.volmit.iris.util.collection.KList;
-import com.volmit.iris.util.data.IrisBlockData;
 import com.volmit.iris.util.mantle.Mantle;
 import com.volmit.iris.util.math.Position2;
 import com.volmit.iris.util.math.RNG;
@@ -50,16 +49,18 @@ public class PlannedStructure {
    private IrisPosition position;
    private IrisData data;
    private RNG rng;
+    private boolean forcePlace;
    private boolean verbose;
    private boolean terminating;

-    public PlannedStructure(IrisJigsawStructure structure, IrisPosition position, RNG rng) {
+    public PlannedStructure(IrisJigsawStructure structure, IrisPosition position, RNG rng, boolean forcePlace) {
        terminating = false;
        verbose = true;
        this.pieces = new KList<>();
        this.structure = structure;
        this.position = position;
        this.rng = rng;
+        this.forcePlace = forcePlace || structure.isForcePlace();
        this.data = structure.getLoader();
        generateStartPiece();

@@ -108,6 +109,9 @@ public class PlannedStructure {
        } else {
            options.setMode(i.getPiece().getPlaceMode());
        }
+        if (forcePlace) {
+            options.setForcePlace(true);
+        }

        IrisObject v = i.getObject();
        int sx = (v.getW() / 2);
@@ -150,9 +154,6 @@ public class PlannedStructure {
        return v.place(xx, height, zz, placer, options, rng, (b, data) -> {
            e.set(b.getX(), b.getY(), b.getZ(), v.getLoadKey() + "@" + id);
            e.set(b.getX(), b.getY(), b.getZ(), container);
-            if (data instanceof IrisBlockData d) {
-                e.set(b.getX(), b.getY(), b.getZ(), d.getCustom());
-            }
        }, null, getData().getEngine() != null ? getData() : eng.getData()) != -1;
    }

--- a/core/src/main/java/com/volmit/iris/engine/mantle/EngineMantle.java
+++ b/core/src/main/java/com/volmit/iris/engine/mantle/EngineMantle.java
@@ -20,10 +20,10 @@ package com.volmit.iris.engine.mantle;

 import com.volmit.iris.core.IrisSettings;
 import com.volmit.iris.core.loader.IrisData;
+import com.volmit.iris.core.nms.container.Pair;
 import com.volmit.iris.engine.IrisComplex;
 import com.volmit.iris.engine.framework.Engine;
 import com.volmit.iris.engine.framework.EngineTarget;
-import com.volmit.iris.engine.framework.SeedManager;
 import com.volmit.iris.engine.mantle.components.MantleJigsawComponent;
 import com.volmit.iris.engine.mantle.components.MantleObjectComponent;
 import com.volmit.iris.engine.object.IObjectPlacer;
@@ -34,6 +34,7 @@ import com.volmit.iris.util.collection.KList;
 import com.volmit.iris.util.context.ChunkContext;
 import com.volmit.iris.util.context.IrisContext;
 import com.volmit.iris.util.data.B;
+import com.volmit.iris.util.data.IrisCustomData;
 import com.volmit.iris.util.documentation.BlockCoordinates;
 import com.volmit.iris.util.documentation.ChunkCoordinates;
 import com.volmit.iris.util.hunk.Hunk;
@@ -44,7 +45,6 @@ import com.volmit.iris.util.matter.*;
 import com.volmit.iris.util.matter.slices.UpdateMatter;
 import com.volmit.iris.util.parallel.BurstExecutor;
 import com.volmit.iris.util.parallel.MultiBurst;
-import org.bukkit.block.TileState;
 import org.bukkit.block.data.BlockData;

 import java.util.concurrent.TimeUnit;
@@ -59,7 +59,9 @@ public interface EngineMantle extends IObjectPlacer {

    int getRadius();

-    KList<MantleComponent> getComponents();
+    int getRealRadius();
+
+    KList<Pair<KList<MantleComponent>, Integer>> getComponents();

    void registerComponent(MantleComponent c);

@@ -103,7 +105,10 @@ public interface EngineMantle extends IObjectPlacer {

    @Override
    default void set(int x, int y, int z, BlockData d) {
-        getMantle().set(x, y, z, d == null ? AIR : d);
+        if (d instanceof IrisCustomData data) {
+            getMantle().set(x, y, z, data.getBase());
+            getMantle().set(x, y, z, data.getCustom());
+        } else getMantle().set(x, y, z, d == null ? AIR : d);
    }

    @Override
@@ -187,39 +192,37 @@ public interface EngineMantle extends IObjectPlacer {
        return getEngine().burst();
    }

-    default int getRealRadius() {
-        return (int) Math.ceil(getRadius() / 2D);
-    }
-
-
    @ChunkCoordinates
    default void generateMatter(int x, int z, boolean multicore, ChunkContext context) {
-        synchronized (this) {
-            if (!getEngine().getDimension().isUseMantle()) {
-                return;
-            }
+        if (!getEngine().getDimension().isUseMantle()) {
+            return;
+        }

-            int s = getRealRadius();
-            BurstExecutor burst = burst().burst(multicore);
-            MantleWriter writer = getMantle().write(this, x, z, s * 2);
-            for (int i = -s; i <= s; i++) {
-                for (int j = -s; j <= s; j++) {
-                    int xx = i + x;
-                    int zz = j + z;
-                    burst.queue(() -> {
-                        IrisContext.touch(getEngine().getContext());
-                        getMantle().raiseFlag(xx, zz, MantleFlag.PLANNED, () -> {
-                            MantleChunk mc = getMantle().getChunk(xx, zz);
+        try (MantleWriter writer = getMantle().write(this, x, z, getRadius() * 2)) {
+            var iterator = getComponents().iterator();
+            while (iterator.hasNext()) {
+                var pair = iterator.next();
+                int radius = pair.getB();
+                boolean last = !iterator.hasNext();
+                BurstExecutor burst = burst().burst(radius * 2 + 1);
+                burst.setMulticore(multicore);

-                            for (MantleComponent k : getComponents()) {
-                                generateMantleComponent(writer, xx, zz, k, mc, context);
-                            }
+                for (int i = -radius; i <= radius; i++) {
+                    for (int j = -radius; j <= radius; j++) {
+                        int xx = x + i;
+                        int zz = z + j;
+                        MantleChunk mc = getMantle().getChunk(xx, zz);
+
+                        burst.queue(() -> {
+                            IrisContext.touch(getEngine().getContext());
+                            pair.getA().forEach(k -> generateMantleComponent(writer, xx, zz, k, mc, context));
+                            if (last) mc.flag(MantleFlag.PLANNED, true);
                        });
-                    });
+                    }
                }
-            }

-            burst.complete();
+                burst.complete();
+            }
        }
    }

--- a/core/src/main/java/com/volmit/iris/engine/mantle/IrisMantleComponent.java
+++ b/core/src/main/java/com/volmit/iris/engine/mantle/IrisMantleComponent.java
@@ -29,4 +29,5 @@ import lombok.ToString;
 public abstract class IrisMantleComponent implements MantleComponent {
    private final EngineMantle engineMantle;
    private final MantleFlag flag;
+    private final int priority;
 }
--- a/core/src/main/java/com/volmit/iris/engine/mantle/MantleComponent.java
+++ b/core/src/main/java/com/volmit/iris/engine/mantle/MantleComponent.java
@@ -26,11 +26,12 @@ import com.volmit.iris.util.documentation.ChunkCoordinates;
 import com.volmit.iris.util.mantle.Mantle;
 import com.volmit.iris.util.mantle.MantleFlag;
 import com.volmit.iris.util.parallel.BurstExecutor;
+import org.jetbrains.annotations.NotNull;

-public interface MantleComponent {
-    default int getRadius() {
-        return getEngineMantle().getRealRadius();
-    }
+public interface MantleComponent extends Comparable<MantleComponent> {
+    int getPriority();
+
+    int getRadius();

    default IrisData getData() {
        return getEngineMantle().getData();
@@ -62,4 +63,9 @@ public interface MantleComponent {

    @ChunkCoordinates
    void generateLayer(MantleWriter writer, int x, int z, ChunkContext context);
+
+    @Override
+    default int compareTo(@NotNull MantleComponent o) {
+        return Integer.compare(getPriority(), o.getPriority());
+    }
 }
--- a/core/src/main/java/com/volmit/iris/engine/mantle/MantleWriter.java
+++ b/core/src/main/java/com/volmit/iris/engine/mantle/MantleWriter.java
@@ -29,13 +29,13 @@ import com.volmit.iris.engine.object.IrisPosition;
 import com.volmit.iris.engine.object.TileData;
 import com.volmit.iris.util.collection.KMap;
 import com.volmit.iris.util.collection.KSet;
+import com.volmit.iris.util.data.IrisCustomData;
 import com.volmit.iris.util.function.Function3;
 import com.volmit.iris.util.mantle.Mantle;
 import com.volmit.iris.util.mantle.MantleChunk;
 import com.volmit.iris.util.math.RNG;
 import com.volmit.iris.util.matter.Matter;
 import lombok.Data;
-import org.bukkit.block.TileState;
 import org.bukkit.block.data.BlockData;
 import org.bukkit.util.Vector;

@@ -44,7 +44,7 @@ import java.util.List;
 import java.util.Set;

@Data
-public class MantleWriter implements IObjectPlacer {
+public class MantleWriter implements IObjectPlacer, AutoCloseable {
    private final EngineMantle engineMantle;
    private final Mantle mantle;
    private final KMap<Long, MantleChunk> cachedChunks;
@@ -62,7 +62,7 @@ public class MantleWriter implements IObjectPlacer {

        for (int i = -radius; i <= radius; i++) {
            for (int j = -radius; j <= radius; j++) {
-                cachedChunks.put(Cache.key(i + x, j + z), mantle.getChunk(i + x, j + z));
+                cachedChunks.put(Cache.key(i + x, j + z), mantle.getChunk(i + x, j + z).use());
            }
        }
    }
@@ -167,7 +167,10 @@ public class MantleWriter implements IObjectPlacer {

    @Override
    public void set(int x, int y, int z, BlockData d) {
-        setData(x, y, z, d);
+        if (d instanceof IrisCustomData data) {
+            setData(x, y, z, data.getBase());
+            setData(x, y, z, data.getCustom());
+        } else setData(x, y, z, d);
    }

    @Override
@@ -633,4 +636,12 @@ public class MantleWriter implements IObjectPlacer {
        return cx >= this.x - radius && cx <= this.x + radius
                && cz >= this.z - radius && cz <= this.z + radius;
    }
+
+    @Override
+    public void close() {
+        cachedChunks.values().removeIf(c -> {
+            c.release();
+            return true;
+        });
+    }
 }
--- a/core/src/main/java/com/volmit/iris/engine/mantle/components/MantleCarvingComponent.java
+++ b/core/src/main/java/com/volmit/iris/engine/mantle/components/MantleCarvingComponent.java
@@ -29,10 +29,14 @@ import com.volmit.iris.util.context.ChunkContext;
 import com.volmit.iris.util.documentation.ChunkCoordinates;
 import com.volmit.iris.util.mantle.MantleFlag;
 import com.volmit.iris.util.math.RNG;
+import lombok.Getter;

+@Getter
 public class MantleCarvingComponent extends IrisMantleComponent {
+    private final int radius = computeRadius();
+
    public MantleCarvingComponent(EngineMantle engineMantle) {
-        super(engineMantle, MantleFlag.CARVED);
+        super(engineMantle, MantleFlag.CARVED, 0);
    }

    @Override
@@ -56,4 +60,21 @@ public class MantleCarvingComponent extends IrisMantleComponent {
    private void carve(IrisCarving carving, MantleWriter writer, RNG rng, int cx, int cz) {
        carving.doCarving(writer, rng, getEngineMantle().getEngine(), cx << 4, -1, cz << 4);
    }
+
+    private int computeRadius() {
+        var dimension = getDimension();
+        int max = 0;
+
+        max = Math.max(max, dimension.getCarving().getMaxRange(getData()));
+
+        for (var i : dimension.getAllRegions(this::getData)) {
+            max = Math.max(max, i.getCarving().getMaxRange(getData()));
+        }
+
+        for (var i : dimension.getAllBiomes(this::getData)) {
+            max = Math.max(max, i.getCarving().getMaxRange(getData()));
+        }
+
+        return max;
+    }
 }
--- a/core/src/main/java/com/volmit/iris/engine/mantle/components/MantleFluidBodyComponent.java
+++ b/core/src/main/java/com/volmit/iris/engine/mantle/components/MantleFluidBodyComponent.java
@@ -29,10 +29,14 @@ import com.volmit.iris.util.context.ChunkContext;
 import com.volmit.iris.util.documentation.ChunkCoordinates;
 import com.volmit.iris.util.mantle.MantleFlag;
 import com.volmit.iris.util.math.RNG;
+import lombok.Getter;

+@Getter
 public class MantleFluidBodyComponent extends IrisMantleComponent {
+    private final int radius = computeRadius();
+
    public MantleFluidBodyComponent(EngineMantle engineMantle) {
-        super(engineMantle, MantleFlag.FLUID_BODIES);
+        super(engineMantle, MantleFlag.FLUID_BODIES, 0);
    }

    @Override
@@ -56,4 +60,20 @@ public class MantleFluidBodyComponent extends IrisMantleComponent {
    private void generate(IrisFluidBodies bodies, MantleWriter writer, RNG rng, int cx, int cz) {
        bodies.generate(writer, rng, getEngineMantle().getEngine(), cx << 4, -1, cz << 4);
    }
+
+    private int computeRadius() {
+        int max = 0;
+
+        max = Math.max(max, getDimension().getFluidBodies().getMaxRange(getData()));
+
+        for (IrisRegion i : getDimension().getAllRegions(this::getData)) {
+            max = Math.max(max, i.getFluidBodies().getMaxRange(getData()));
+        }
+
+        for (IrisBiome i : getDimension().getAllBiomes(this::getData)) {
+            max = Math.max(max, i.getFluidBodies().getMaxRange(getData()));
+        }
+
+        return max;
+    }
 }
--- a/core/src/main/java/com/volmit/iris/engine/mantle/components/MantleJigsawComponent.java
+++ b/core/src/main/java/com/volmit/iris/engine/mantle/components/MantleJigsawComponent.java
@@ -34,15 +34,18 @@ import com.volmit.iris.util.math.Position2;
 import com.volmit.iris.util.math.RNG;
 import com.volmit.iris.util.matter.slices.container.JigsawStructuresContainer;
 import com.volmit.iris.util.noise.CNG;
+import lombok.Getter;
 import org.jetbrains.annotations.Nullable;

 import java.util.List;

 public class MantleJigsawComponent extends IrisMantleComponent {
+    @Getter
+    private final int radius = computeRadius();
    private final CNG cng;

    public MantleJigsawComponent(EngineMantle engineMantle) {
-        super(engineMantle, MantleFlag.JIGSAW);
+        super(engineMantle, MantleFlag.JIGSAW, 1);
        cng = NoiseStyle.STATIC.create(new RNG(jigsaw()));
    }

@@ -66,7 +69,7 @@ public class MantleJigsawComponent extends IrisMantleComponent {
                for (Position2 pos : poss) {
                    if (x == pos.getX() >> 4 && z == pos.getZ() >> 4) {
                        IrisJigsawStructure structure = getData().getJigsawStructureLoader().load(getDimension().getStronghold());
-                        place(writer, pos.toIris(), structure, new RNG(seed));
+                        place(writer, pos.toIris(), structure, new RNG(seed), true);
                        return;
                    }
                }
@@ -87,12 +90,14 @@ public class MantleJigsawComponent extends IrisMantleComponent {
    private boolean placeStructures(MantleWriter writer, long seed, int x, int z, KList<IrisJigsawStructurePlacement> structures,
            KSet<Position2> cachedRegions, KMap<String, KSet<Position2>> cache, KMap<Position2, Double> distanceCache) {
        IrisJigsawStructurePlacement i = pick(structures, seed, x, z);
-        if (i == null || checkMinDistances(i.collectMinDistances(), x, z, cachedRegions, cache, distanceCache))
-            return false;
+        try {
+            if (i == null || checkMinDistances(i.collectMinDistances(), x, z, cachedRegions, cache, distanceCache))
+                return false;
+        } catch (Throwable ignored) {}
        RNG rng = new RNG(seed);
        IrisPosition position = new IrisPosition((x << 4) + rng.nextInt(15), 0, (z << 4) + rng.nextInt(15));
        IrisJigsawStructure structure = getData().getJigsawStructureLoader().load(i.getStructure());
-        return place(writer, position, structure, rng);
+        return place(writer, position, structure, rng, false);
    }

    @ChunkCoordinates
@@ -156,16 +161,41 @@ public class MantleJigsawComponent extends IrisMantleComponent {
    @ChunkCoordinates
    private IrisJigsawStructurePlacement pick(List<IrisJigsawStructurePlacement> structures, long seed, int x, int z) {
        return IRare.pick(structures.stream()
-                .filter(p -> p.shouldPlace(getDimension().getJigsawStructureDivisor(), jigsaw(), x, z))
+                .filter(p -> p.shouldPlace(getData(), getDimension().getJigsawStructureDivisor(), jigsaw(), x, z))
                .toList(), new RNG(seed).nextDouble());
    }

    @BlockCoordinates
-    private boolean place(MantleWriter writer, IrisPosition position, IrisJigsawStructure structure, RNG rng) {
-        return new PlannedStructure(structure, position, rng).place(writer, getMantle(), writer.getEngine());
+    private boolean place(MantleWriter writer, IrisPosition position, IrisJigsawStructure structure, RNG rng, boolean forcePlace) {
+        return new PlannedStructure(structure, position, rng, forcePlace).place(writer, getMantle(), writer.getEngine());
    }

    private long jigsaw() {
        return getEngineMantle().getEngine().getSeedManager().getJigsaw();
    }
+
+    private int computeRadius() {
+        var dimension = getDimension();
+
+        KSet<String> structures = new KSet<>();
+        for (var placement : dimension.getJigsawStructures()) {
+            structures.add(placement.getStructure());
+        }
+        for (var region : dimension.getAllRegions(this::getData)) {
+            for (var placement : region.getJigsawStructures()) {
+                structures.add(placement.getStructure());
+            }
+        }
+        for (var biome : dimension.getAllBiomes(this::getData)) {
+            for (var placement : biome.getJigsawStructures()) {
+                structures.add(placement.getStructure());
+            }
+        }
+
+        int max = 0;
+        for (var structure : structures) {
+            max = Math.max(max, getData().getJigsawStructureLoader().load(structure).getMaxDimension());
+        }
+        return max;
+    }
 }
--- a/core/src/main/java/com/volmit/iris/engine/mantle/components/MantleObjectComponent.java
+++ b/core/src/main/java/com/volmit/iris/engine/mantle/components/MantleObjectComponent.java
@@ -24,23 +24,34 @@ import com.volmit.iris.engine.mantle.EngineMantle;
 import com.volmit.iris.engine.mantle.IrisMantleComponent;
 import com.volmit.iris.engine.mantle.MantleWriter;
 import com.volmit.iris.engine.object.*;
+import com.volmit.iris.util.collection.KList;
+import com.volmit.iris.util.collection.KMap;
 import com.volmit.iris.util.collection.KSet;
 import com.volmit.iris.util.context.ChunkContext;
 import com.volmit.iris.util.data.B;
-import com.volmit.iris.util.data.IrisBlockData;
 import com.volmit.iris.util.documentation.BlockCoordinates;
 import com.volmit.iris.util.documentation.ChunkCoordinates;
+import com.volmit.iris.util.format.Form;
 import com.volmit.iris.util.mantle.MantleFlag;
 import com.volmit.iris.util.math.RNG;
 import com.volmit.iris.util.matter.MatterStructurePOI;
 import com.volmit.iris.util.noise.CNG;
 import com.volmit.iris.util.noise.NoiseType;
+import com.volmit.iris.util.parallel.BurstExecutor;
+import lombok.Getter;
+import org.bukkit.util.BlockVector;

+import java.io.IOException;
+import java.util.Map;
 import java.util.Set;
+import java.util.concurrent.atomic.AtomicInteger;

+@Getter
 public class MantleObjectComponent extends IrisMantleComponent {
+    private final int radius = computeRadius();
+
    public MantleObjectComponent(EngineMantle engineMantle) {
-        super(engineMantle, MantleFlag.OBJECT);
+        super(engineMantle, MantleFlag.OBJECT, 1);
    }

    @Override
@@ -104,9 +115,6 @@ public class MantleObjectComponent extends IrisMantleComponent {
                if (objectPlacement.isDolphinTarget() && objectPlacement.isUnderwater() && B.isStorageChest(data)) {
                    writer.setData(b.getX(), b.getY(), b.getZ(), MatterStructurePOI.BURIED_TREASURE);
                }
-                if (data instanceof IrisBlockData d) {
-                    writer.setData(b.getX(), b.getY(), b.getZ(), d.getCustom());
-                }
            }, null, getData());
        }
    }
@@ -146,4 +154,112 @@ public class MantleObjectComponent extends IrisMantleComponent {

        return v;
    }
+
+    private int computeRadius() {
+        var dimension = getDimension();
+
+        AtomicInteger xg = new AtomicInteger();
+        AtomicInteger zg = new AtomicInteger();
+
+        KSet<String> objects = new KSet<>();
+        KMap<IrisObjectScale, KList<String>> scalars = new KMap<>();
+        for (var region : dimension.getAllRegions(this::getData)) {
+            for (var j : region.getObjects()) {
+                if (j.getScale().canScaleBeyond()) {
+                    scalars.put(j.getScale(), j.getPlace());
+                } else {
+                    objects.addAll(j.getPlace());
+                }
+            }
+        }
+        for (var biome : dimension.getAllBiomes(this::getData)) {
+            for (var j : biome.getObjects()) {
+                if (j.getScale().canScaleBeyond()) {
+                    scalars.put(j.getScale(), j.getPlace());
+                } else {
+                    objects.addAll(j.getPlace());
+                }
+            }
+        }
+
+        BurstExecutor e = getEngineMantle().getTarget().getBurster().burst(objects.size());
+        KMap<String, BlockVector> sizeCache = new KMap<>();
+        for (String i : objects) {
+            e.queue(() -> {
+                try {
+                    BlockVector bv = sizeCache.computeIfAbsent(i, (k) -> {
+                        try {
+                            return IrisObject.sampleSize(getData().getObjectLoader().findFile(i));
+                        } catch (IOException ex) {
+                            Iris.reportError(ex);
+                            ex.printStackTrace();
+                        }
+
+                        return null;
+                    });
+
+                    if (bv == null) {
+                        throw new RuntimeException();
+                    }
+
+                    if (Math.max(bv.getBlockX(), bv.getBlockZ()) > 128) {
+                        Iris.warn("Object " + i + " has a large size (" + bv + ") and may increase memory usage!");
+                    }
+
+                    synchronized (xg) {
+                        xg.getAndSet(Math.max(bv.getBlockX(), xg.get()));
+                    }
+
+                    synchronized (zg) {
+                        zg.getAndSet(Math.max(bv.getBlockZ(), zg.get()));
+                    }
+                } catch (Throwable ed) {
+                    Iris.reportError(ed);
+
+                }
+            });
+        }
+
+        for (Map.Entry<IrisObjectScale, KList<String>> entry : scalars.entrySet()) {
+            double ms = entry.getKey().getMaximumScale();
+            for (String j : entry.getValue()) {
+                e.queue(() -> {
+                    try {
+                        BlockVector bv = sizeCache.computeIfAbsent(j, (k) -> {
+                            try {
+                                return IrisObject.sampleSize(getData().getObjectLoader().findFile(j));
+                            } catch (IOException ioException) {
+                                Iris.reportError(ioException);
+                                ioException.printStackTrace();
+                            }
+
+                            return null;
+                        });
+
+                        if (bv == null) {
+                            throw new RuntimeException();
+                        }
+
+                        if (Math.max(bv.getBlockX(), bv.getBlockZ()) > 128) {
+                            Iris.warn("Object " + j + " has a large size (" + bv + ") and may increase memory usage! (Object scaled up to " + Form.pc(ms, 2) + ")");
+                        }
+
+                        synchronized (xg) {
+                            xg.getAndSet((int) Math.max(Math.ceil(bv.getBlockX() * ms), xg.get()));
+                        }
+
+                        synchronized (zg) {
+                            zg.getAndSet((int) Math.max(Math.ceil(bv.getBlockZ() * ms), zg.get()));
+                        }
+                    } catch (Throwable ee) {
+                        Iris.reportError(ee);
+
+                    }
+                });
+            }
+        }
+
+        e.complete();
+        return Math.max(xg.get(), zg.get());
+    }
 }
--- a/core/src/main/java/com/volmit/iris/engine/mode/ModeOverworld.java
+++ b/core/src/main/java/com/volmit/iris/engine/mode/ModeOverworld.java
@@ -25,10 +25,7 @@ import com.volmit.iris.engine.framework.Engine;
 import com.volmit.iris.engine.framework.EngineMode;
 import com.volmit.iris.engine.framework.EngineStage;
 import com.volmit.iris.engine.framework.IrisEngineMode;
-import com.volmit.iris.engine.modifier.IrisCarveModifier;
-import com.volmit.iris.engine.modifier.IrisDepositModifier;
-import com.volmit.iris.engine.modifier.IrisPerfectionModifier;
-import com.volmit.iris.engine.modifier.IrisPostModifier;
+import com.volmit.iris.engine.modifier.*;
 import org.bukkit.block.data.BlockData;

 public class ModeOverworld extends IrisEngineMode implements EngineMode {
@@ -41,6 +38,7 @@ public class ModeOverworld extends IrisEngineMode implements EngineMode {
        var post = new IrisPostModifier(getEngine());
        var deposit = new IrisDepositModifier(getEngine());
        var perfection = new IrisPerfectionModifier(getEngine());
+        var custom = new IrisCustomModifier(getEngine());
        EngineStage sBiome = (x, z, k, p, m, c) -> biome.actuate(x, z, p, m, c);
        EngineStage sGenMatter = (x, z, k, p, m, c) -> generateMatter(x >> 4, z >> 4, m, c);
        EngineStage sTerrain = (x, z, k, p, m, c) -> terrain.actuate(x, z, k, m, c);
@@ -50,6 +48,7 @@ public class ModeOverworld extends IrisEngineMode implements EngineMode {
        EngineStage sPost = (x, z, k, p, m, c) -> post.modify(x, z, k, m, c);
        EngineStage sInsertMatter = (x, z, K, p, m, c) -> getMantle().insertMatter(x >> 4, z >> 4, BlockData.class, K, m);
        EngineStage sPerfection = (x, z, k, p, m, c) -> perfection.modify(x, z, k, m, c);
+        EngineStage sCustom = (x, z, k, p, m, c) -> custom.modify(x, z, k, m, c);

        registerStage(burst(
                sGenMatter,
@@ -65,6 +64,6 @@ public class ModeOverworld extends IrisEngineMode implements EngineMode {
                sDecorant
        ));
        registerStage(sPerfection);
-
+        registerStage(sCustom);
    }
 }
--- a/core/src/main/java/com/volmit/iris/engine/modifier/IrisCarveModifier.java
+++ b/core/src/main/java/com/volmit/iris/engine/modifier/IrisCarveModifier.java
@@ -57,7 +57,7 @@ public class IrisCarveModifier extends EngineAssignedModifier<BlockData> {
    public void onModify(int x, int z, Hunk<BlockData> output, boolean multicore, ChunkContext context) {
        PrecisionStopwatch p = PrecisionStopwatch.start();
        Mantle mantle = getEngine().getMantle().getMantle();
-        MantleChunk mc = getEngine().getMantle().getMantle().getChunk(x, z);
+        MantleChunk mc = getEngine().getMantle().getMantle().getChunk(x, z).use();
        KMap<Long, KList<Integer>> positions = new KMap<>();
        KMap<IrisPosition, MatterCavern> walls = new KMap<>();
        Consumer4<Integer, Integer, Integer, MatterCavern> iterator = (xx, yy, zz, c) -> {
@@ -166,6 +166,7 @@ public class IrisCarveModifier extends EngineAssignedModifier<BlockData> {
        });

        getEngine().getMetrics().getDeposit().put(p.getMilliseconds());
+        mc.release();
    }

    private void processZone(Hunk<BlockData> output, MantleChunk mc, Mantle mantle, CaveZone zone, int rx, int rz, int xx, int zz) {
@@ -211,14 +212,6 @@ public class IrisCarveModifier extends EngineAssignedModifier<BlockData> {

        biome.setInferredType(InferredType.CAVE);

-        for (IrisDecorator i : biome.getDecorators()) {
-            if (i.getPartOf().equals(IrisDecorationPart.NONE) && B.isSolid(output.get(rx, zone.getFloor() - 1, rz))) {
-                decorant.getSurfaceDecorator().decorate(rx, rz, xx, xx, xx, zz, zz, zz, output, biome, zone.getFloor() - 1, zone.airThickness());
-            } else if (i.getPartOf().equals(IrisDecorationPart.CEILING) && B.isSolid(output.get(rx, zone.getCeiling() + 1, rz))) {
-                decorant.getCeilingDecorator().decorate(rx, rz, xx, xx, xx, zz, zz, zz, output, biome, zone.getCeiling(), zone.airThickness());
-            }
-        }
-
        KList<BlockData> blocks = biome.generateLayers(getDimension(), xx, zz, rng, 3, zone.floor, getData(), getComplex());

        for (int i = 0; i < zone.floor - 1; i++) {
@@ -260,6 +253,14 @@ public class IrisCarveModifier extends EngineAssignedModifier<BlockData> {
                output.set(rx, zone.ceiling + i + 1, rz, b);
            }
        }
+
+        for (IrisDecorator i : biome.getDecorators()) {
+            if (i.getPartOf().equals(IrisDecorationPart.NONE) && B.isSolid(output.get(rx, zone.getFloor() - 1, rz))) {
+                decorant.getSurfaceDecorator().decorate(rx, rz, xx, xx, xx, zz, zz, zz, output, biome, zone.getFloor() - 1, zone.airThickness());
+            } else if (i.getPartOf().equals(IrisDecorationPart.CEILING) && B.isSolid(output.get(rx, zone.getCeiling() + 1, rz))) {
+                decorant.getCeilingDecorator().decorate(rx, rz, xx, xx, xx, zz, zz, zz, output, biome, zone.getCeiling(), zone.airThickness());
+            }
+        }
    }

    @Data
--- a/core/src/main/java/com/volmit/iris/engine/modifier/IrisCustomModifier.java
+++ b/core/src/main/java/com/volmit/iris/engine/modifier/IrisCustomModifier.java
@@ -0,0 +1,43 @@
+package com.volmit.iris.engine.modifier;
+import com.volmit.iris.core.link.Identifier;
+import com.volmit.iris.engine.framework.Engine;
+import com.volmit.iris.engine.framework.EngineAssignedModifier;
+import com.volmit.iris.util.context.ChunkContext;
+import com.volmit.iris.util.data.IrisCustomData;
+import com.volmit.iris.util.hunk.Hunk;
+import com.volmit.iris.util.mantle.MantleFlag;
+import com.volmit.iris.util.parallel.BurstExecutor;
+import com.volmit.iris.util.parallel.MultiBurst;
+import org.bukkit.block.data.BlockData;
+public class IrisCustomModifier extends EngineAssignedModifier<BlockData> {
+    public IrisCustomModifier(Engine engine) {
+        super(engine, "Custom");
+    }
+    @Override
+    public void onModify(int x, int z, Hunk<BlockData> output, boolean multicore, ChunkContext context) {
+        var mc = getEngine().getMantle().getMantle().getChunk(x >> 4, z >> 4);
+        if (!mc.isFlagged(MantleFlag.CUSTOM_ACTIVE)) return;
+        mc.use();
+
+        BurstExecutor burst = MultiBurst.burst.burst(output.getHeight());
+        burst.setMulticore(multicore);
+        for (int y = 0; y < output.getHeight(); y++) {
+            int finalY = y;
+            burst.queue(() -> {
+                for (int rX = 0; rX < output.getWidth(); rX++) {
+                    for (int rZ = 0; rZ < output.getDepth(); rZ++) {
+                        BlockData b = output.get(rX, finalY, rZ);
+                        if (!(b instanceof IrisCustomData d)) continue;
+
+                        mc.getOrCreate(finalY >> 4)
+                                .slice(Identifier.class)
+                                .set(rX, finalY & 15, rZ, d.getCustom());
+                        output.set(rX, finalY, rZ, d.getBase());
+                    }
+                }
+            });
+        }
+        burst.complete();
+        mc.release();
+    }
+}
--- a/core/src/main/java/com/volmit/iris/engine/modifier/IrisDepositModifier.java
+++ b/core/src/main/java/com/volmit/iris/engine/modifier/IrisDepositModifier.java
@@ -20,10 +20,7 @@ package com.volmit.iris.engine.modifier;

 import com.volmit.iris.engine.framework.Engine;
 import com.volmit.iris.engine.framework.EngineAssignedModifier;
-import com.volmit.iris.engine.object.IrisBiome;
-import com.volmit.iris.engine.object.IrisDepositGenerator;
-import com.volmit.iris.engine.object.IrisObject;
-import com.volmit.iris.engine.object.IrisRegion;
+import com.volmit.iris.engine.object.*;
 import com.volmit.iris.util.context.ChunkContext;
 import com.volmit.iris.util.data.B;
 import com.volmit.iris.util.data.HeightMap;
@@ -45,30 +42,26 @@ public class IrisDepositModifier extends EngineAssignedModifier<BlockData> {
    @Override
    public void onModify(int x, int z, Hunk<BlockData> output, boolean multicore, ChunkContext context) {
        PrecisionStopwatch p = PrecisionStopwatch.start();
-        generateDeposits(rng, output, Math.floorDiv(x, 16), Math.floorDiv(z, 16), multicore, context);
+        generateDeposits(output, Math.floorDiv(x, 16), Math.floorDiv(z, 16), multicore, context);
        getEngine().getMetrics().getDeposit().put(p.getMilliseconds());
    }

-    public void generateDeposits(RNG rx, Hunk<BlockData> terrain, int x, int z, boolean multicore, ChunkContext context) {
-        RNG ro = rx.nextParallelRNG(x * x).nextParallelRNG(z * z);
+    public void generateDeposits(Hunk<BlockData> terrain, int x, int z, boolean multicore, ChunkContext context) {
        IrisRegion region = context.getRegion().get(7, 7);
        IrisBiome biome = context.getBiome().get(7, 7);
        BurstExecutor burst = burst().burst(multicore);

+        long seed = x * 341873128712L + z * 132897987541L;
        for (IrisDepositGenerator k : getDimension().getDeposits()) {
-            burst.queue(() -> generate(k, terrain, ro, x, z, false, context));
+            burst.queue(() -> generate(k, terrain, rng.nextParallelRNG(seed), x, z, false, context));
        }

        for (IrisDepositGenerator k : region.getDeposits()) {
-            for (int l = 0; l < ro.i(k.getMinPerChunk(), k.getMaxPerChunk()); l++) {
-                burst.queue(() -> generate(k, terrain, ro, x, z, false, context));
-            }
+            burst.queue(() -> generate(k, terrain, rng.nextParallelRNG(seed), x, z, false, context));
        }

        for (IrisDepositGenerator k : biome.getDeposits()) {
-            for (int l = 0; l < ro.i(k.getMinPerChunk(), k.getMaxPerChunk()); l++) {
-                burst.queue(() -> generate(k, terrain, ro, x, z, false, context));
-            }
+            burst.queue(() -> generate(k, terrain, rng.nextParallelRNG(seed), x, z, false, context));
        }
        burst.complete();
    }
@@ -78,45 +71,48 @@ public class IrisDepositModifier extends EngineAssignedModifier<BlockData> {
    }

    public void generate(IrisDepositGenerator k, Hunk<BlockData> data, RNG rng, int cx, int cz, boolean safe, HeightMap he, ChunkContext context) {
-        for (int l = 0; l < rng.i(k.getMinPerChunk(), k.getMaxPerChunk()); l++) {
+        if (k.getSpawnChance() < rng.d())
+            return;
+
+        for (int l = 0; l < rng.i(k.getMinPerChunk(), k.getMaxPerChunk() + 1); l++) {
+            if (k.getPerClumpSpawnChance() < rng.d())
+                continue;
+
            IrisObject clump = k.getClump(rng, getData());

-            int af = (int) Math.floor(clump.getW() / 2D);
-            int bf = (int) Math.floor(16D - (clump.getW() / 2D));
+            int dim = clump.getW();
+            int min = dim / 2;
+            int max = (int) (16D - dim / 2D);

-            if (af > bf || af < 0 || bf > 15) {
-                af = 6;
-                bf = 9;
+            if (min > max || min < 0 || max > 15) {
+                min = 6;
+                max = 9;
            }

-            af = Math.max(af - 1, 0);
-            int x = rng.i(af, bf);
-            int z = rng.i(af, bf);
+            int x = rng.i(min, max + 1);
+            int z = rng.i(min, max + 1);
            int height = (he != null ? he.getHeight((cx << 4) + x, (cz << 4) + z) : (int) (Math.round(
                    context.getHeight().get(x, z)
            ))) - 7;

-            if (height <= 0) {
-                return;
-            }
+            if (height <= 0)
+                continue;

-            int i = Math.max(0, k.getMinHeight());
+            int minY = Math.max(0, k.getMinHeight());
            // TODO: WARNING HEIGHT
-            int a = Math.min(height, Math.min(getEngine().getHeight(), k.getMaxHeight()));
+            int maxY = Math.min(height, Math.min(getEngine().getHeight(), k.getMaxHeight()));

-            if (i >= a) {
-                return;
-            }
+            if (minY >= maxY)
+                continue;

-            int h = rng.i(i, a);
+            int y = rng.i(minY, maxY + 1);

-            if (h > k.getMaxHeight() || h < k.getMinHeight() || h > height - 2) {
-                return;
-            }
+            if (y > k.getMaxHeight() || y < k.getMinHeight() || y > height - 2)
+                continue;

            for (BlockVector j : clump.getBlocks().keySet()) {
                int nx = j.getBlockX() + x;
-                int ny = j.getBlockY() + h;
+                int ny = j.getBlockY() + y;
                int nz = j.getBlockZ() + z;

                if (ny > height || nx > 15 || nx < 0 || ny > getEngine().getHeight() || ny < 0 || nz < 0 || nz > 15) {
--- a/core/src/main/java/com/volmit/iris/engine/object/IObjectLoot.java
+++ b/core/src/main/java/com/volmit/iris/engine/object/IObjectLoot.java
@@ -0,0 +1,13 @@
+package com.volmit.iris.engine.object;
+
+import com.volmit.iris.core.loader.IrisData;
+import com.volmit.iris.util.collection.KList;
+import org.bukkit.block.data.BlockData;
+
+public interface IObjectLoot {
+    KList<IrisBlockData> getFilter();
+    KList<BlockData> getFilter(IrisData manager);
+    boolean isExact();
+    String getName();
+    int getWeight();
+}
--- a/core/src/main/java/com/volmit/iris/engine/object/IrisBiome.java
+++ b/core/src/main/java/com/volmit/iris/engine/object/IrisBiome.java
@@ -200,7 +200,7 @@ public class IrisBiome extends IrisRegistrant implements IRare {
            KMap<String, Integer> l = new KMap<>();

            for (IrisBiomeGeneratorLink i : getGenerators()) {
-                l.put(i.getGenerator(), i.getMax(engine));
+                l.put(i.getGenerator(), i.getMax());

            }

@@ -216,7 +216,7 @@ public class IrisBiome extends IrisRegistrant implements IRare {
            KMap<String, Integer> l = new KMap<>();

            for (IrisBiomeGeneratorLink i : getGenerators()) {
-                l.put(i.getGenerator(), i.getMin(engine));
+                l.put(i.getGenerator(), i.getMin());
            }

            return l;
@@ -457,7 +457,7 @@ public class IrisBiome extends IrisRegistrant implements IRare {
            int maxHeight = 0;

            for (IrisBiomeGeneratorLink i : getGenerators()) {
-                maxHeight += i.getMax(engine);
+                maxHeight += i.getMax();
            }

            return maxHeight;
@@ -470,7 +470,7 @@ public class IrisBiome extends IrisRegistrant implements IRare {
            int maxHeight = 0;

            for (IrisBiomeGeneratorLink i : getGenerators()) {
-                maxHeight += i.getMax(engine);
+                maxHeight += i.getMax();
            }

            int gg = 0;
--- a/core/src/main/java/com/volmit/iris/engine/object/IrisBiomeCustomSpawn.java
+++ b/core/src/main/java/com/volmit/iris/engine/object/IrisBiomeCustomSpawn.java
@@ -37,12 +37,10 @@ public class IrisBiomeCustomSpawn {
    private EntityType type = EntityType.COW;

    @MinNumber(1)
-    @MaxNumber(20)
    @Desc("The min to spawn")
    private int minCount = 2;

    @MinNumber(1)
-    @MaxNumber(20)
    @Desc("The max to spawn")
    private int maxCount = 5;

--- a/core/src/main/java/com/volmit/iris/engine/object/IrisBiomeGeneratorLink.java
+++ b/core/src/main/java/com/volmit/iris/engine/object/IrisBiomeGeneratorLink.java
@@ -18,9 +18,7 @@

 package com.volmit.iris.engine.object;

-import com.volmit.iris.Iris;
 import com.volmit.iris.engine.data.cache.AtomicCache;
-import com.volmit.iris.engine.framework.Engine;
 import com.volmit.iris.engine.object.annotations.*;
 import com.volmit.iris.util.data.DataProvider;
 import com.volmit.iris.util.interpolation.IrisInterpolation;
@@ -39,18 +37,16 @@ public class IrisBiomeGeneratorLink {
    @RegistryListResource(IrisGenerator.class)
    @Desc("The generator id")
    private String generator = "default";
-    @DependsOn({ "min", "max" })
+    @DependsOn({"min", "max"})
    @Required
    @MinNumber(-2032) // TODO: WARNING HEIGHT
    @MaxNumber(2032) // TODO: WARNING HEIGHT
    @Desc("The min block value (value + fluidHeight)")
-    @Getter(AccessLevel.NONE)
    private int min = 0;
-    @DependsOn({ "min", "max" })
+    @DependsOn({"min", "max"})
    @Required
    @MinNumber(-2032) // TODO: WARNING HEIGHT
    @MaxNumber(2032) // TODO: WARNING HEIGHT
-    @Getter(AccessLevel.NONE)
    @Desc("The max block value (value + fluidHeight)")
    private int max = 0;

@@ -66,70 +62,6 @@ public class IrisBiomeGeneratorLink {
        });
    }

-    private int[] getBiomeGeneratorsRaw(Engine engine) {
-        int max = engine.getDimension().getMinHeight();
-        int min = engine.getDimension().getMaxHeight();
-        for (IrisBiome biome : engine.getAllBiomes()) {
-            for (IrisBiomeGeneratorLink i : biome.getGenerators()) {
-                int biomeRawMax = i.getMaxRaw();
-                int biomeRawMin = i.getMinRaw();
-                if (max < biomeRawMax)
-                    max = biomeRawMax;
-                if (min > biomeRawMin)
-                    min = biomeRawMin;
-            }
-        }
-
-        return new int[] { min, max };
-    }
-
-    private int calculateHeight(Engine engine, int option) {
-        int dmx = engine.getDimension().getMaxHeight();
-        int dmn = engine.getDimension().getMinHeight();
-        int[] heights = getBiomeGeneratorsRaw(engine);
-        int gmx = heights[1];
-        int gmn = heights[0];
-
-        int mx = getMaxRaw();
-        int mn = getMinRaw();
-        if (engine.getDimension().isSmartVanillaHeight()) {
-            if (mx > 0)
-                mx = Math.min((int) (((float) mx / (float) gmx) * 300.0f), 300);
-            if (mx < 0)
-                mx = Math.min((int) (((float) mx / (float) gmn) * 300.0f), 56);
-
-            if (mn > 0)
-                mn = Math.min((int) (((float) mn / (float) gmx) * 300.0f), 300);
-            if (mn < 0)
-                mn = Math.min((int) (((float) mn / (float) gmn) * 300.0f), 56);
-        }
-
-        if (option == 1) {
-            return mx;
-        }
-        if (option == 0) {
-            return mn;
-        }
-        Iris.error("Fatal Generator error!");
-        return 0;
-    }
-
-    public int getMax(Engine engine) {
-        return calculateHeight(engine, 1);
-    }
-
-    public int getMin(Engine engine) {
-        return calculateHeight(engine, 0);
-    }
-
-    private int getMaxRaw() {
-        return max;
-    }
-
-    private int getMinRaw() {
-        return min;
-    }
-
    public double getHeight(DataProvider xg, double x, double z, long seed) {
        double g = getCachedGenerator(xg).getHeight(x, z, seed);
        g = g < 0 ? 0 : g;
--- a/core/src/main/java/com/volmit/iris/engine/object/IrisContextInjector.java
+++ b/core/src/main/java/com/volmit/iris/engine/object/IrisContextInjector.java
@@ -0,0 +1,66 @@
+package com.volmit.iris.engine.object;
+
+import com.volmit.iris.core.nms.INMS;
+import com.volmit.iris.core.nms.container.AutoClosing;
+import com.volmit.iris.util.collection.KList;
+import com.volmit.iris.util.misc.ServerProperties;
+import lombok.Getter;
+import org.bukkit.Bukkit;
+import org.bukkit.NamespacedKey;
+import org.bukkit.configuration.ConfigurationSection;
+import org.bukkit.configuration.file.YamlConfiguration;
+import org.bukkit.event.EventHandler;
+import org.bukkit.event.EventPriority;
+import org.bukkit.event.Listener;
+import org.bukkit.event.world.WorldInitEvent;
+
+import java.util.List;
+
+import static com.volmit.iris.Iris.instance;
+
+public class IrisContextInjector implements Listener {
+    @Getter
+    private static boolean missingDimensionTypes = false;
+    private AutoClosing autoClosing = null;
+
+    public IrisContextInjector() {
+        if (!Bukkit.getWorlds().isEmpty()) return;
+
+        String levelName = ServerProperties.LEVEL_NAME;
+        List<String> irisWorlds = irisWorlds();
+        boolean overworld = irisWorlds.contains(levelName);
+        boolean nether = irisWorlds.contains(levelName + "_nether");
+        boolean end = irisWorlds.contains(levelName + "_end");
+
+        if (INMS.get().missingDimensionTypes(overworld, nether, end)) {
+            missingDimensionTypes = true;
+            return;
+        }
+
+        if (overworld || nether || end) {
+            autoClosing = INMS.get().injectUncached(overworld, nether, end);
+        }
+
+        instance.registerListener(this);
+    }
+
+    @EventHandler(priority = EventPriority.LOWEST)
+    public void on(WorldInitEvent event) {
+        if (autoClosing != null) {
+            autoClosing.close();
+            autoClosing = null;
+        }
+        instance.unregisterListener(this);
+    }
+
+    private List<String> irisWorlds() {
+        var config = YamlConfiguration.loadConfiguration(ServerProperties.BUKKIT_YML);
+        ConfigurationSection section = config.getConfigurationSection("worlds");
+        if (section == null) return List.of();
+
+        return section.getKeys(false)
+                .stream()
+                .filter(k -> section.getString(k + ".generator", "").startsWith("Iris"))
+                .toList();
+    }
+}
--- a/core/src/main/java/com/volmit/iris/engine/object/IrisDepositGenerator.java
+++ b/core/src/main/java/com/volmit/iris/engine/object/IrisDepositGenerator.java
@@ -22,13 +22,14 @@ import com.volmit.iris.core.loader.IrisData;
 import com.volmit.iris.engine.data.cache.AtomicCache;
 import com.volmit.iris.engine.object.annotations.*;
 import com.volmit.iris.util.collection.KList;
+import com.volmit.iris.util.collection.KSet;
+import com.volmit.iris.util.math.BlockPosition;
 import com.volmit.iris.util.math.RNG;
 import lombok.AllArgsConstructor;
 import lombok.Data;
 import lombok.NoArgsConstructor;
 import lombok.experimental.Accessors;
 import org.bukkit.block.data.BlockData;
-import org.bukkit.util.BlockVector;

@Snippet("deposit")
@Accessors(chain = true)
@@ -69,6 +70,14 @@ public class IrisDepositGenerator {
    @MaxNumber(2048)
    @Desc("The minimum amount of clumps per chunk")
    private int minPerChunk = 0;
+    @MinNumber(0)
+    @MaxNumber(1)
+    @Desc("The change of the deposit spawning in a chunk")
+    private double spawnChance = 1;
+    @MinNumber(0)
+    @MaxNumber(1)
+    @Desc("The change of the a clump spawning in a chunk")
+    private double perClumpSpawnChance = 1;
    @Required
    @ArrayType(min = 1, type = IrisBlockData.class)
    @Desc("The palette of blocks to be used in this deposit generator")
@@ -90,35 +99,62 @@ public class IrisDepositGenerator {

            return objectsf;
        });
-        return objects.get(rng.i(0, objects.size() - 1));
+        return objects.get(rng.i(0, objects.size()));
    }

    public int getMaxDimension() {
-        return Math.min(11, (int) Math.round(Math.pow(maxSize, 1D / 3D)));
+        return Math.min(11, (int) Math.ceil(Math.cbrt(maxSize)));
    }

    private IrisObject generateClumpObject(RNG rngv, IrisData rdata) {
-        int s = rngv.i(minSize, maxSize);
-        int dim = Math.min(11, (int) Math.round(Math.pow(maxSize, 1D / 3D)));
-        int w = dim / 2;
+        int s = rngv.i(minSize, maxSize + 1);
+        if (s == 1) {
+            IrisObject o = new IrisObject(1, 1, 1);
+            o.getBlocks().put(o.getCenter(), nextBlock(rngv, rdata));
+            return o;
+        }
+
+        int dim = Math.min(11, (int) Math.ceil(Math.cbrt(s)));
        IrisObject o = new IrisObject(dim, dim, dim);

-        if (s == 1) {
-            o.getBlocks().put(o.getCenter(), nextBlock(rngv, rdata));
-        } else {
-            while (s > 0) {
-                s--;
-                BlockVector ang = new BlockVector(rngv.i(-w, w), rngv.i(-w, w), rngv.i(-w, w));
-                BlockVector pos = o.getCenter().clone().add(ang).toBlockVector();
-                o.getBlocks().put(pos, nextBlock(rngv, rdata));
+        int volume = dim * dim * dim;
+        if (s >= volume) {
+            int x = 0, y = 0, z = 0;
+
+            while (z < dim) {
+                o.setUnsigned(x++, y, z, nextBlock(rngv, rdata));
+
+                if (x == dim) {
+                    x = 0;
+                    y++;
+                }
+
+                if (y == dim) {
+                    y = 0;
+                    z++;
+                }
            }
+            return o;
+        }
+
+        KSet<BlockPosition> set = new KSet<>();
+        while (s > 0) {
+            BlockPosition ang = new BlockPosition(
+                    rngv.i(0, dim),
+                    rngv.i(0, dim),
+                    rngv.i(0, dim)
+            );
+            if (!set.add(ang)) continue;
+
+            s--;
+            o.setUnsigned(ang.getX(), ang.getY(), ang.getZ(), nextBlock(rngv, rdata));
        }

        return o;
    }

    private BlockData nextBlock(RNG rngv, IrisData rdata) {
-        return getBlockData(rdata).get(rngv.i(0, getBlockData(rdata).size() - 1));
+        return getBlockData(rdata).get(rngv.i(0, getBlockData(rdata).size()));
    }

    public KList<BlockData> getBlockData(IrisData rdata) {
--- a/core/src/main/java/com/volmit/iris/engine/object/IrisDimension.java
+++ b/core/src/main/java/com/volmit/iris/engine/object/IrisDimension.java
@@ -19,12 +19,16 @@
 package com.volmit.iris.engine.object;

 import com.volmit.iris.Iris;
+import com.volmit.iris.core.IrisSettings;
+import com.volmit.iris.core.ServerConfigurator.DimensionHeight;
 import com.volmit.iris.core.loader.IrisData;
 import com.volmit.iris.core.loader.IrisRegistrant;
+import com.volmit.iris.core.nms.INMS;
 import com.volmit.iris.core.nms.datapack.IDataFixer;
 import com.volmit.iris.engine.data.cache.AtomicCache;
 import com.volmit.iris.engine.object.annotations.*;
 import com.volmit.iris.util.collection.KList;
+import com.volmit.iris.util.collection.KSet;
 import com.volmit.iris.util.data.DataProvider;
 import com.volmit.iris.util.io.IO;
 import com.volmit.iris.util.json.JSONObject;
@@ -53,73 +57,6 @@ import java.io.IOException;
 public class IrisDimension extends IrisRegistrant {
    public static final BlockData STONE = Material.STONE.createBlockData();
    public static final BlockData WATER = Material.WATER.createBlockData();
-    private static final String DP_OVERWORLD_DEFAULT = """
-            {
-              "ambient_light": 0.0,
-              "bed_works": true,
-              "coordinate_scale": 1.0,
-              "effects": "minecraft:overworld",
-              "has_ceiling": false,
-              "has_raids": true,
-              "has_skylight": true,
-              "infiniburn": "#minecraft:infiniburn_overworld",
-              "monster_spawn_block_light_limit": 0,
-              "monster_spawn_light_level": {
-                "type": "minecraft:uniform",
-                "value": {
-                  "max_inclusive": 7,
-                  "min_inclusive": 0
-                }
-              },
-              "natural": true,
-              "piglin_safe": false,
-              "respawn_anchor_works": false,
-              "ultrawarm": false
-            }""";
-
-    private static final String DP_NETHER_DEFAULT = """
-            {
-              "ambient_light": 0.1,
-              "bed_works": false,
-              "coordinate_scale": 8.0,
-              "effects": "minecraft:the_nether",
-              "fixed_time": 18000,
-              "has_ceiling": true,
-              "has_raids": false,
-              "has_skylight": false,
-              "infiniburn": "#minecraft:infiniburn_nether",
-              "monster_spawn_block_light_limit": 15,
-              "monster_spawn_light_level": 7,
-              "natural": false,
-              "piglin_safe": true,
-              "respawn_anchor_works": true,
-              "ultrawarm": true
-            }""";
-
-    private static final String DP_END_DEFAULT = """
-            {
-              "ambient_light": 0.0,
-              "bed_works": false,
-              "coordinate_scale": 1.0,
-              "effects": "minecraft:the_end",
-              "fixed_time": 6000,
-              "has_ceiling": false,
-              "has_raids": true,
-              "has_skylight": false,
-              "infiniburn": "#minecraft:infiniburn_end",
-              "monster_spawn_block_light_limit": 0,
-              "monster_spawn_light_level": {
-                "type": "minecraft:uniform",
-                "value": {
-                  "max_inclusive": 7,
-                  "min_inclusive": 0
-                }
-              },
-              "natural": false,
-              "piglin_safe": false,
-              "respawn_anchor_works": false,
-              "ultrawarm": false
-            }""";
    private final transient AtomicCache<Position2> parallaxSize = new AtomicCache<>();
    private final transient AtomicCache<CNG> rockLayerGenerator = new AtomicCache<>();
    private final transient AtomicCache<CNG> fluidLayerGenerator = new AtomicCache<>();
@@ -233,8 +170,6 @@ public class IrisDimension extends IrisRegistrant {
    private IrisRange dimensionHeightEnd = new IrisRange(-64, 320);
    @Desc("Define the min and max Y bounds of this dimension. Please keep in mind that Iris internally generates from 0 to (max - min). \n\nFor example at -64 to 320, Iris is internally generating to 0 to 384, then on outputting chunks, it shifts it down by the min height (64 blocks). The default is -64 to 320. \n\nThe fluid height is placed at (fluid height + min height). So a fluid height of 63 would actually show up in the world at 1.")
    private IrisRange dimensionHeightNether = new IrisRange(-64, 320);
-    @Desc("Enable smart vanilla height")
-    private boolean smartVanillaHeight = false;
    @RegistryListResource(IrisBiome.class)
    @Desc("Keep this either undefined or empty. Setting any biome name into this will force iris to only generate the specified biome. Great for testing.")
    private String focus = "";
@@ -444,61 +379,35 @@ public class IrisDimension extends IrisRegistrant {
        return landBiomeStyle;
    }

-    public boolean installDataPack(IDataFixer fixer, DataProvider data, File datapacks, double ultimateMaxHeight, double ultimateMinHeight) {
-        boolean write = false;
-        boolean changed = false;
-
-        IO.delete(new File(datapacks, "iris/data/" + getLoadKey().toLowerCase()));
-
-        for (IrisBiome i : getAllBiomes(data)) {
-            if (i.isCustom()) {
-                write = true;
-
-                for (IrisBiomeCustom j : i.getCustomDerivitives()) {
-                    File output = new File(datapacks, "iris/data/" + getLoadKey().toLowerCase() + "/worldgen/biome/" + j.getId() + ".json");
-
-                    if (!output.exists()) {
-                        changed = true;
-                    }
-
-                    Iris.verbose("    Installing Data Pack Biome: " + output.getPath());
-                    output.getParentFile().mkdirs();
-                    try {
-                        IO.writeAll(output, j.generateJson(fixer));
-                    } catch (IOException e) {
-                        Iris.reportError(e);
-                        e.printStackTrace();
-                    }
-                }
-            }
-        }
-
-        if (!dimensionHeight.equals(new IrisRange(-64, 320)) && this.name.equalsIgnoreCase("overworld")) {
-            Iris.verbose("    Installing Data Pack Dimension Types: \"minecraft:overworld\", \"minecraft:the_nether\", \"minecraft:the_end\"");
-            dimensionHeight.setMax(ultimateMaxHeight);
-            dimensionHeight.setMin(ultimateMinHeight);
-            changed = writeDimensionType(fixer, changed, datapacks);
-        }
-
-        if (write) {
-            File mcm = new File(datapacks, "iris/pack.mcmeta");
-            try {
-                IO.writeAll(mcm, """
-                        {
-                            "pack": {
-                                "description": "Iris Data Pack. This pack contains all installed Iris Packs' resources.",
-                                "pack_format": 10
-                            }
+    public void installBiomes(IDataFixer fixer, DataProvider data, KList<File> folders, KSet<String> biomes) {
+        getAllBiomes(data)
+                .stream()
+                .filter(IrisBiome::isCustom)
+                .map(IrisBiome::getCustomDerivitives)
+                .flatMap(KList::stream)
+                .parallel()
+                .forEach(j -> {
+                    String json = j.generateJson(fixer);
+                    synchronized (biomes) {
+                        if (!biomes.add(j.getId())) {
+                            Iris.verbose("Duplicate Data Pack Biome: " + getLoadKey() + "/" + j.getId());
+                            return;
                        }
-                        """);
-            } catch (IOException e) {
-                Iris.reportError(e);
-                e.printStackTrace();
-            }
-            Iris.verbose("    Installing Data Pack MCMeta: " + mcm.getPath());
-        }
+                    }

-        return changed;
+                    for (File datapacks : folders) {
+                        File output = new File(datapacks, "iris/data/" + getLoadKey().toLowerCase() + "/worldgen/biome/" + j.getId() + ".json");
+
+                        Iris.verbose("    Installing Data Pack Biome: " + output.getPath());
+                        output.getParentFile().mkdirs();
+                        try {
+                            IO.writeAll(output, json);
+                        } catch (IOException e) {
+                            Iris.reportError(e);
+                            e.printStackTrace();
+                        }
+                    }
+                });
    }

    @Override
@@ -516,66 +425,55 @@ public class IrisDimension extends IrisRegistrant {

    }

-    public boolean writeDimensionType(IDataFixer fixer, boolean changed, File datapacks) {
-        File dimTypeOverworld = new File(datapacks, "iris/data/minecraft/dimension_type/overworld.json");
-        if (!dimTypeOverworld.exists())
-            changed = true;
-        dimTypeOverworld.getParentFile().mkdirs();
+    public static void writeShared(KList<File> folders, DimensionHeight height) {
+        Iris.verbose("    Installing Data Pack Dimension Types: \"iris:overworld\", \"iris:the_nether\", \"iris:the_end\"");
+        for (File datapacks : folders) {
+            write(datapacks, "overworld", height.overworldType());
+            write(datapacks, "the_nether", height.netherType());
+            write(datapacks, "the_end", height.endType());
+        }
+
+        String raw = """
+                        {
+                            "pack": {
+                                "description": "Iris Data Pack. This pack contains all installed Iris Packs' resources.",
+                                "pack_format": {}
+                            }
+                        }
+                        """.replace("{}", INMS.get().getDataVersion().getPackFormat() + "");
+
+        for (File datapacks : folders) {
+            File mcm = new File(datapacks, "iris/pack.mcmeta");
+            try {
+                IO.writeAll(mcm, raw);
+            } catch (IOException e) {
+                Iris.reportError(e);
+                e.printStackTrace();
+            }
+            Iris.verbose("    Installing Data Pack MCMeta: " + mcm.getPath());
+        }
+    }
+
+    private static void write(File datapacks, String type, String json) {
+        File dimType = new File(datapacks, "iris/data/iris/dimension_type/" + type + ".json");
+        File dimTypeVanilla = new File(datapacks, "iris/data/minecraft/dimension_type/" + type + ".json");
+
+        dimType.getParentFile().mkdirs();
        try {
-            IO.writeAll(dimTypeOverworld, generateDatapackJsonOverworld(fixer));
+            IO.writeAll(dimType, json);
        } catch (IOException e) {
            Iris.reportError(e);
            e.printStackTrace();
        }

-
-        File dimTypeNether = new File(datapacks, "iris/data/minecraft/dimension_type/the_nether.json");
-        if (!dimTypeNether.exists())
-            changed = true;
-        dimTypeNether.getParentFile().mkdirs();
-        try {
-            IO.writeAll(dimTypeNether, generateDatapackJsonNether(fixer));
-        } catch (IOException e) {
-            Iris.reportError(e);
-            e.printStackTrace();
+        if (IrisSettings.get().getGeneral().adjustVanillaHeight || dimTypeVanilla.exists()) {
+            dimTypeVanilla.getParentFile().mkdirs();
+            try {
+                IO.writeAll(dimTypeVanilla, json);
+            } catch (IOException e) {
+                Iris.reportError(e);
+                e.printStackTrace();
+            }
        }
-
-
-        File dimTypeEnd = new File(datapacks, "iris/data/minecraft/dimension_type/the_end.json");
-        if (!dimTypeEnd.exists())
-            changed = true;
-        dimTypeEnd.getParentFile().mkdirs();
-        try {
-            IO.writeAll(dimTypeEnd, generateDatapackJsonEnd(fixer));
-        } catch (IOException e) {
-            Iris.reportError(e);
-            e.printStackTrace();
-        }
-
-        return changed;
-    }
-
-    private String generateDatapackJsonOverworld(IDataFixer fixer) {
-        JSONObject obj = new JSONObject(DP_OVERWORLD_DEFAULT);
-        obj.put("min_y", dimensionHeight.getMin());
-        obj.put("height", dimensionHeight.getMax() - dimensionHeight.getMin());
-        obj.put("logical_height", logicalHeight);
-        return fixer.fixDimension(obj).toString(4);
-    }
-
-    private String generateDatapackJsonNether(IDataFixer fixer) {
-        JSONObject obj = new JSONObject(DP_NETHER_DEFAULT);
-        obj.put("min_y", dimensionHeightNether.getMin());
-        obj.put("height", dimensionHeightNether.getMax() - dimensionHeightNether.getMin());
-        obj.put("logical_height", logicalHeightNether);
-        return fixer.fixDimension(obj).toString(4);
-    }
-
-    private String generateDatapackJsonEnd(IDataFixer fixer) {
-        JSONObject obj = new JSONObject(DP_END_DEFAULT);
-        obj.put("min_y", dimensionHeightEnd.getMin());
-        obj.put("height", dimensionHeightEnd.getMax() - dimensionHeightEnd.getMin());
-        obj.put("logical_height", logicalHeightEnd);
-        return fixer.fixDimension(obj).toString(4);
    }
 }
--- a/core/src/main/java/com/volmit/iris/engine/object/IrisEngineChunkData.java
+++ b/core/src/main/java/com/volmit/iris/engine/object/IrisEngineChunkData.java
@@ -1,43 +0,0 @@
-/*
- * Iris is a World Generator for Minecraft Bukkit Servers
- * Copyright (c) 2022 Arcane Arts (Volmit Software)
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <https://www.gnu.org/licenses/>.
- */
-
-package com.volmit.iris.engine.object;
-
-import com.volmit.iris.engine.framework.Engine;
-import com.volmit.iris.util.collection.KList;
-import lombok.Data;
-
-@Data
-public class IrisEngineChunkData {
-    private long chunk;
-    private KList<IrisEngineSpawnerCooldown> cooldowns = new KList<>();
-
-    public void cleanup(Engine engine) {
-        for (IrisEngineSpawnerCooldown i : getCooldowns().copy()) {
-            IrisSpawner sp = engine.getData().getSpawnerLoader().load(i.getSpawner());
-
-            if (sp == null || i.canSpawn(sp.getMaximumRate())) {
-                getCooldowns().remove(i);
-            }
-        }
-    }
-
-    public boolean isEmpty() {
-        return cooldowns.isEmpty();
-    }
-}
--- a/core/src/main/java/com/volmit/iris/engine/object/IrisEngineData.java
+++ b/core/src/main/java/com/volmit/iris/engine/object/IrisEngineData.java
@@ -20,51 +20,31 @@ package com.volmit.iris.engine.object;

 import com.volmit.iris.engine.data.cache.Cache;
 import com.volmit.iris.engine.framework.Engine;
-import com.volmit.iris.util.collection.KList;
+import com.volmit.iris.util.collection.KMap;
 import lombok.Data;
+import lombok.EqualsAndHashCode;

@Data
-public class IrisEngineData {
+@EqualsAndHashCode(callSuper = true)
+public class IrisEngineData extends IrisSpawnerCooldowns {
    private IrisEngineStatistics statistics = new IrisEngineStatistics();
-    private KList<IrisEngineSpawnerCooldown> spawnerCooldowns = new KList<>();
-    private KList<IrisEngineChunkData> chunks = new KList<>();
+    private KMap<Long, IrisSpawnerCooldowns> chunks = new KMap<>();
    private Long seed = null;

    public void removeChunk(int x, int z) {
-        long k = Cache.key(x, z);
-        chunks.removeWhere((i) -> i.getChunk() == k);
+        chunks.remove(Cache.key(x, z));
    }

-    public IrisEngineChunkData getChunk(int x, int z) {
-        long k = Cache.key(x, z);
-
-        for (IrisEngineChunkData i : chunks) {
-            if (i.getChunk() == k) {
-                return i;
-            }
-        }
-
-        IrisEngineChunkData c = new IrisEngineChunkData();
-        c.setChunk(k);
-        chunks.add(c);
-        return c;
+    public IrisSpawnerCooldowns getChunk(int x, int z) {
+        return chunks.computeIfAbsent(Cache.key(x, z), k -> new IrisSpawnerCooldowns());
    }

    public void cleanup(Engine engine) {
-        for (IrisEngineSpawnerCooldown i : getSpawnerCooldowns().copy()) {
-            IrisSpawner sp = engine.getData().getSpawnerLoader().load(i.getSpawner());
+        super.cleanup(engine);

-            if (sp == null || i.canSpawn(sp.getMaximumRate())) {
-                getSpawnerCooldowns().remove(i);
-            }
-        }
-
-        for (IrisEngineChunkData i : chunks.copy()) {
-            i.cleanup(engine);
-
-            if (i.isEmpty()) {
-                getChunks().remove(i);
-            }
-        }
+        chunks.values().removeIf(chunk -> {
+            chunk.cleanup(engine);
+            return chunk.isEmpty();
+        });
    }
 }
--- a/Show More
+++ b/Show More
Author	SHA1	Message	Date
Julian Krings	9b96b4d619	fix deadlock when hotloading / closing engine	2025-04-18 20:30:54 +02:00
Julian Krings	9e0258089b	initial rewrite of the ambient entity spawning	2025-04-15 15:50:38 +02:00
Julian Krings	e6874a0e10	Merge branch 'refs/heads/dev' into feat/mob_spawning_v2	2025-04-13 21:37:42 +02:00
Aidan Aeternum	ab4770400e	v+	2025-04-10 04:49:32 -04:00
Aidan Aeternum	1a810d5d62	Merge pull request #1184 from VolmitSoftware/dev 3.6.6	2025-04-10 04:49:02 -04:00
Julian Krings	536d20bca7	remove context injection on world init	2025-04-09 12:16:03 +02:00
Julian Krings	9a691ac5b4	setup runServer for all supported versions	2025-04-09 10:57:35 +02:00
Julian Krings	71078a20a9	Don't inject world load context for main worlds to prevent incompatibilities	2025-04-08 21:15:19 +02:00
Julian Krings	74e2576ca2	Prevent saving the iris level stems	2025-04-06 16:31:35 +02:00
Julian Krings	407e51378c	fix applying x offset to z coords in Spiraler	2025-03-27 15:02:47 +01:00
Julian Krings	c468eb1ab1	make pregen use block radius as input	2025-03-27 15:02:47 +01:00
Aidan Aeternum	bdb7cc61e5	v+	2025-03-26 15:41:35 -04:00
Aidan Aeternum	e8f9e841c4	Merge pull request #1181 from VolmitSoftware/dev 3.6.5	2025-03-26 15:41:06 -04:00
Julian Krings	1b1b9d97b7	update overworld pack to 31020	2025-03-25 19:15:47 +01:00
Julian Krings	24355064ff	add safeguard for missing dimension types to prevent world corruption	2025-03-25 19:14:20 +01:00
Julian Krings	06a45056d9	use flat level source instead of trying to get the levelstems	2025-03-22 12:38:25 +01:00
Aidan Aeternum	dfe4894be7	v+	2025-03-18 16:40:33 -04:00
Aidan Aeternum	8eb2287ec0	Merge pull request #1178 from VolmitSoftware/dev 3.6.4	2025-03-18 16:34:22 -04:00
Julian Krings	c4f0722614	improve datapack setup speed	2025-03-18 16:18:37 +01:00
Julian Krings	7fa1484b21	fix levelstem injection not working for main worlds	2025-03-18 16:18:37 +01:00
Julian Krings	1c5eb8b910	automatically update vanilla dimension type if present in Iris datapack	2025-03-18 16:18:37 +01:00
Julian Krings	94bf530d93	add setting to enable changing to the vanilla dimension height values	2025-03-18 16:18:37 +01:00
Julian Krings	686ae57b5b	switch from world preset to direct level stems	2025-03-18 16:18:37 +01:00
Julian Krings	a911685aaf	Fix world gen datapack incompatibilities	2025-03-18 16:18:37 +01:00
Julian Krings	647214a335	implement engine services	2025-03-13 22:00:55 +01:00
Aidan Aeternum	6899761ca9	v+	2025-03-06 17:06:34 -05:00
Aidan Aeternum	a58958fd62	Merge pull request #1176 from VolmitSoftware/dev 3.6.3	2025-03-06 17:04:57 -05:00
Julian Krings	307f3c9158	implement version specific overworld tag (#1175 )	2025-03-06 15:57:30 +01:00
Julian Krings	4f275c2e06	Merge pull request #1174 from tavaresjoshua8/master Fix: Nexo 1.0	2025-03-06 15:55:54 +01:00
tavaresjoshua8	7e4e3f3cd8	Fix: Nexo 1.0 Release	2025-03-05 13:43:26 -07:00
Aidan Aeternum	84e5add564	v+	2025-02-23 14:39:52 -05:00
Aidan Aeternum	4d4adbb76f	Merge pull request #1172 from VolmitSoftware/dev 3.6.2	2025-02-23 14:39:29 -05:00
Julian Krings	ff2f285784	isolate iris world height into it's own dimension types (#1171 )	2025-02-20 23:41:19 +01:00
Aidan Aeternum	8b1636e78a	v+	2025-02-14 16:46:51 -05:00
Aidan Aeternum	3bdad10562	Merge pull request #1170 from VolmitSoftware/dev 3.6.1	2025-02-14 16:46:22 -05:00
Julian Krings	ac03a977aa	Mob spawning fixes (#1169 ) * fix cooldown being 0 in most cases * fix max entity count for spawners	2025-02-11 23:06:47 +01:00
Aidan Aeternum	d7270f66e1	v+	2025-02-06 16:16:11 -05:00
Aidan Aeternum	b220b1bffa	Merge pull request #1168 from VolmitSoftware/dev 3.6.0	2025-02-06 16:15:05 -05:00
Julian Krings	4796fe98cb	fix modern tile states not applying properly	2025-02-05 15:20:34 +01:00
Julian Krings	ece905ec6e	fix registry lookup failing on some server versions	2025-02-04 21:11:08 +01:00
Julian Krings	53c9e7c04c	drop 1.19.x support (#1167 )	2025-02-04 13:04:48 +01:00
Julian Krings	29f6f52443	add noise based spread type (#1164 )	2025-02-04 13:04:28 +01:00
Julian Krings	a778cc51a6	Expression functions (#1165 )	2025-02-04 13:03:49 +01:00
Julian Krings	c6963d0cd3	fix world delete command crashing servers (#1166 )	2025-02-04 13:03:33 +01:00
pixel	489844f61b	Updated README.md to JDK21	2025-02-03 22:19:38 +01:00
Aidan Aeternum	4d1b0246ca	v+	2025-02-01 10:55:58 -05:00
Aidan Aeternum	13f3511fa8	Merge pull request #1159 from VolmitSoftware/dev 3.5.9	2025-02-01 10:54:00 -05:00
Julian Krings	f6f2766315	fix ignoring some custom blocks (#1158 )	2025-01-30 13:12:15 +01:00
Aidan Aeternum	56530a1245	v+	2025-01-29 17:51:36 -05:00
Aidan Aeternum	210a1f29a7	Merge pull request #1156 from VolmitSoftware/dev 3.5.8	2025-01-29 15:51:16 -07:00
Julian Krings	847bf972ae	improve performance related to custom blocks (#1155 )	2025-01-27 15:22:10 +01:00
Aidan Aeternum	e5d21fdf7e	v+	2025-01-25 09:48:00 -07:00
Aidan Aeternum	0b2fd3b358	v+	2025-01-25 09:47:17 -07:00
Aidan Aeternum	10484d1226	Merge pull request #1153 from VolmitSoftware/dev 3.5.7	2025-01-25 09:46:58 -07:00
Julian Krings	ce0092c52a	Fix creation deadlock (#1154 )	2025-01-25 14:54:21 +01:00
Julian Krings	474e033c2b	Feat/1.21.4 (#1152 )	2025-01-24 18:03:12 +01:00
Aidan Aeternum	62aad1f497	v+	2025-01-23 14:46:15 -07:00
Aidan Aeternum	32b5157682	Update build.gradle	2025-01-23 14:44:53 -07:00
Aidan Aeternum	70717ea282	Merge pull request #1151 from VolmitSoftware/dev 3.5.6	2025-01-23 14:44:24 -07:00
Julian Krings	15975f108c	Fix compile	2025-01-22 22:52:21 +01:00
Julian Krings	66c66e82c1	remove "smart" vanilla height (#1150 )	2025-01-22 22:47:39 +01:00
Julian Krings	4f6da95d8e	fix radius calculation skipping pieces (#1149 )	2025-01-22 22:47:28 +01:00
Aidan Aeternum	b37ccbdf01	v+	2025-01-17 08:27:58 -05:00
Aidan Aeternum	30dbe0881a	Merge pull request #1145 from VolmitSoftware/dev 3.5.5	2025-01-17 05:26:26 -08:00
Julian Krings	20ad4657a9	fix null pointer preventing the entity schema from generating (#1142 )	2025-01-15 11:30:55 +01:00
Julian Krings	d4986f42a6	Fix decorator determinism (#1144 )	2025-01-15 11:30:34 +01:00
Aidan Aeternum	8df15c0c2d	v+	2025-01-12 14:12:43 -08:00
Aidan Aeternum	24e1c578c8	Merge pull request #1139 from VolmitSoftware/dev 3.5.4	2025-01-12 14:10:50 -08:00
Julian Krings	1c3bff7559	fix sculk veins not properly placing with decorators (#1137 )	2025-01-12 15:37:10 +01:00
Julian Krings	a09657b4d0	precalculate pack hash on engine setup (#1138 )	2025-01-12 15:36:54 +01:00
Aidan Aeternum	910220d3ca	v+	2025-01-08 18:22:26 -08:00
Aidan Aeternum	fc05c24e3a	Merge pull request #1135 from VolmitSoftware/dev 3.5.3	2025-01-08 18:20:43 -08:00
Julian Krings	e1a7e772cf	fix floating objects (#1134 )	2025-01-07 22:03:53 +01:00
Aidan Aeternum	3c6411c322	v+	2025-01-07 11:22:52 -08:00
Aidan Aeternum	628761affa	Merge pull request #1130 from VolmitSoftware/dev 3.5.2	2025-01-07 11:21:06 -08:00
Julian Krings	fa7b0f68ff	Merge pull request #1129 from VolmitSoftware/feat/deposits Feat/deposits	2025-01-05 16:25:03 +01:00
Aidan Aeternum	487d0ac237	Merge pull request #1128 from VolmitSoftware/dev 3.5.1	2025-01-04 09:57:30 -08:00
Julian Krings	e79e3fbe45	implement <1 deposit spawn chance	2025-01-04 03:46:08 +01:00
Julian Krings	23a0ab23aa	fixes to deposit clump generation and placement	2025-01-04 03:41:55 +01:00
Julian Krings	c78ffab948	fix deposit clump calculation	2025-01-03 00:33:49 +01:00
Julian Krings	d58f497b71	v+	2025-01-02 23:21:32 +01:00
Julian Krings	3284ab84c5	fix biome&region deposits being placed ^2	2025-01-02 23:15:27 +01:00
Julian Krings	5cf0ac9315	Merge pull request #1115 from VolmitSoftware/v3.4.3 V3.5.0	2025-01-02 19:37:22 +01:00
Julian Krings	4e4e820826	update overworld tag and make first setup use the tag rather than current codebase	2025-01-02 14:38:45 +01:00
Julian Krings	cb6e4570f4	add fallback loot mode	2025-01-02 13:28:20 +01:00
Julian Krings	fb59c7370d	partially revert commit `c93cb19563`	2025-01-02 12:33:59 +01:00
Julian Krings	c16e65f0a8	add force place option to IrisJigsawStructure	2025-01-02 12:33:59 +01:00
Julian Krings	d9681edf62	relocate IrisLootEvent to the proper package	2025-01-02 12:33:59 +01:00
repix	520c156d5f	Repix gradle update	2024-12-29 16:47:09 +01:00
Julian Krings	5c26ec2521	fix vanilla loottables not applying	2024-12-28 00:43:01 +01:00
Julian Krings	d192e2b6d1	add tabcomplete for vanilla loottables and fix some multi version compat	2024-12-27 18:14:29 +01:00
Julian Krings	5b60b655ed	some more optimizations	2024-12-26 17:54:02 +01:00
Julian Krings	97c7ac0528	some more bstats metrics	2024-12-26 11:22:06 +01:00
Julian Krings	090ff730a7	remove item type caching for schemas	2024-12-24 10:09:22 +01:00
Julian Krings	c1f797e7c9	update bstats	2024-12-23 23:37:01 +01:00
Julian Krings	4a1a6b80a6	minor performance increase	2024-12-23 23:36:25 +01:00
Julian Krings	e189b2389c	add vanilla loottables	2024-12-22 16:39:41 +01:00
Julian Krings	3265447536	woops	2024-12-14 16:43:42 +01:00
Julian Krings	8c7c9f89e1	add missing nullability annotations to data providers	2024-12-14 16:42:01 +01:00
Julian Krings	d7a991b9b3	fix NexoDataProvider	2024-12-14 16:40:04 +01:00
Julian Krings	abf6c93f2e	allow custom data provider registration	2024-12-14 16:39:41 +01:00
Julian Krings	1b76a66760	update iris core to jdk 21	2024-12-14 16:23:29 +01:00
RePixelatedMC	c83ac67b47	New features	2024-12-05 10:28:04 +01:00
Julian Krings	1dca502a90	add more safety to mantle	2024-11-27 19:45:08 +01:00
Julian Krings	cacef8c8fc	add legacy tile data reader	2024-11-25 20:05:21 +01:00
Julian Krings	623fd45ef4	fixes to nexo support	2024-11-24 19:00:51 +01:00
Julian Krings	007b4b0b53	whoops	2024-11-23 21:09:54 +01:00
Julian Krings	b6bacee095	replace Oraxen with Nexo support	2024-11-23 21:03:14 +01:00
Julian Krings	d5251350a1	initial 1.21.3 support	2024-11-16 20:19:28 +01:00
Julian Krings	1f9c72d093	fix compile	2024-11-09 13:58:10 +01:00
Julian Krings	a1495a10e5	updater fixes	2024-11-08 21:01:58 +01:00
Julian Krings	11ae48bea1	revert previous	2024-10-31 21:33:24 +01:00
Julian Krings	b0f4b29a2d	ehh	2024-10-31 21:05:07 +01:00
Julian Krings	c38bb1cd01	stability improvements for the chunk updater	2024-10-30 15:59:31 +01:00
Julian Krings	7faa727bd2	midsave ChunkUpdater improvements	2024-10-29 22:12:22 +01:00
Julian Krings	9e40259ca2	fix LegacyTileData not placing	2024-10-17 19:18:11 +02:00
Julian Krings	94a7692735	add force place for stronghold	2024-10-17 18:48:17 +02:00
Julian Krings	8b803a87f0	rename CrucibleDataProvider to MythicCrucibleDataProvider to fit naming conventions	2024-10-17 11:28:50 +02:00
Julian Krings	3ae6e92eaf	woops	2024-10-16 22:05:47 +02:00
Julian Krings	0f3c52a5aa	cleanup CrucibleDataProvider and fix furniture support	2024-10-16 21:59:38 +02:00
Schroddinger	747be7aa09	MythicCrucible support. Currently under testing. (cherry picked from commit 06d0f0748bfb3a69b663c2c3604b65f52cb4c5c2)	2024-10-16 21:37:54 +02:00
Brian Fopiano	d651f204f8	Merge pull request #1117 from hUwUtao/master make javadoc buildable...	2024-10-02 00:43:56 -04:00
stdpi	2bd3ac7a9b	Merge branch 'VolmitSoftware:master' into master	2024-09-25 02:00:31 +07:00
Brian Neumann-Fopiano	5e437b34e3	Revert "Update LICENSE.md" This reverts commit `6c6c9654c1`.	2024-09-24 14:58:10 -04:00
stdpi	a5ef89a128	add irisDev task to copy javadocs and sources jar	2024-09-22 17:35:00 +07:00
stdpi	558b8e4eca	add more jar package (javadocJar sourcesJar)	2024-09-22 16:09:48 +07:00
stdpi	0a001b8a63	fix: javadoc tolerate bad html and match encoding, ugh	2024-09-22 04:48:18 +07:00
Brian Fopiano	6c6c9654c1	Update LICENSE.md	2024-09-09 16:54:57 -04:00