diff --git a/bukkit/src/main/java/net/momirealms/craftengine/bukkit/block/behavior/DoorBlockBehavior.java b/bukkit/src/main/java/net/momirealms/craftengine/bukkit/block/behavior/DoorBlockBehavior.java
index 90f4efeeb..098092f9f 100644
--- a/bukkit/src/main/java/net/momirealms/craftengine/bukkit/block/behavior/DoorBlockBehavior.java
+++ b/bukkit/src/main/java/net/momirealms/craftengine/bukkit/block/behavior/DoorBlockBehavior.java
@@ -184,6 +184,11 @@ public class DoorBlockBehavior extends AbstractCanSurviveBlockBehavior {
         immutableBlockState.ifPresent(state -> FastNMS.INSTANCE.method$LevelWriter$setBlock(args[0], LocationUtils.above(pos), state.with(this.halfProperty, DoubleBlockHalf.UPPER).customBlockState().literalObject(), UpdateOption.UPDATE_ALL.flags()));
     }
 
+    @Override
+    public boolean hasMultiState(ImmutableBlockState baseState) {
+        return baseState.get(this.halfProperty) == DoubleBlockHalf.LOWER;
+    }
+
     @Override
     public ImmutableBlockState updateStateForPlacement(BlockPlaceContext context, ImmutableBlockState state) {
         World world  = context.getLevel();
diff --git a/bukkit/src/main/java/net/momirealms/craftengine/bukkit/block/behavior/DoubleHighBlockBehavior.java b/bukkit/src/main/java/net/momirealms/craftengine/bukkit/block/behavior/DoubleHighBlockBehavior.java
index e27a43b73..a384ceb20 100644
--- a/bukkit/src/main/java/net/momirealms/craftengine/bukkit/block/behavior/DoubleHighBlockBehavior.java
+++ b/bukkit/src/main/java/net/momirealms/craftengine/bukkit/block/behavior/DoubleHighBlockBehavior.java
@@ -117,6 +117,11 @@ public class DoubleHighBlockBehavior extends AbstractCanSurviveBlockBehavior {
         immutableBlockState.ifPresent(state -> FastNMS.INSTANCE.method$LevelWriter$setBlock(args[0], LocationUtils.above(pos), state.with(this.halfProperty, DoubleBlockHalf.UPPER).customBlockState().literalObject(), UpdateOption.UPDATE_ALL.flags()));
     }
 
+    @Override
+    public boolean hasMultiState(ImmutableBlockState baseState) {
+        return baseState.get(this.halfProperty) == DoubleBlockHalf.LOWER;
+    }
+
     @Override
     public boolean canPlaceMultiState(BlockAccessor accessor, BlockPos pos, ImmutableBlockState state) {
         if (pos.y() >= accessor.worldHeight().getMaxBuildHeight() - 1) {
diff --git a/bukkit/src/main/java/net/momirealms/craftengine/bukkit/block/behavior/UnsafeCompositeBlockBehavior.java b/bukkit/src/main/java/net/momirealms/craftengine/bukkit/block/behavior/UnsafeCompositeBlockBehavior.java
index 9be6f101b..c487b4ab1 100644
--- a/bukkit/src/main/java/net/momirealms/craftengine/bukkit/block/behavior/UnsafeCompositeBlockBehavior.java
+++ b/bukkit/src/main/java/net/momirealms/craftengine/bukkit/block/behavior/UnsafeCompositeBlockBehavior.java
@@ -121,7 +121,6 @@ public class UnsafeCompositeBlockBehavior extends BukkitBlockBehavior
         return previous;
     }
 
-
     @Override
     public Object getContainer(Object thisBlock, Object[] args) throws Exception {
         for (AbstractBlockBehavior behavior : this.behaviors) {
@@ -411,4 +410,14 @@ public class UnsafeCompositeBlockBehavior extends BukkitBlockBehavior
         }
         return true;
     }
+
+    @Override
+    public boolean hasMultiState(ImmutableBlockState baseState) {
+        for (AbstractBlockBehavior behavior : this.behaviors) {
+            if (behavior.hasMultiState(baseState)) {
+                return true;
+            }
+        }
+        return false;
+    }
 }
diff --git a/bukkit/src/main/java/net/momirealms/craftengine/bukkit/plugin/BukkitCraftEngine.java b/bukkit/src/main/java/net/momirealms/craftengine/bukkit/plugin/BukkitCraftEngine.java
index ed0f725db..aca7c652c 100644
--- a/bukkit/src/main/java/net/momirealms/craftengine/bukkit/plugin/BukkitCraftEngine.java
+++ b/bukkit/src/main/java/net/momirealms/craftengine/bukkit/plugin/BukkitCraftEngine.java
@@ -129,6 +129,11 @@ public class BukkitCraftEngine extends CraftEngine {
         } catch (Exception e) {
             throw new InjectionException("Error injecting loot entries", e);
         }
+        try {
+            FeatureInjector.init();
+        } catch (Exception e) {
+            throw new InjectionException("Error injecting features", e);
+        }
         try {
             BlockStateProviderInjector.init();
         } catch (Exception e) {
diff --git a/bukkit/src/main/java/net/momirealms/craftengine/bukkit/plugin/injector/BlockStateProviderInjector.java b/bukkit/src/main/java/net/momirealms/craftengine/bukkit/plugin/injector/BlockStateProviderInjector.java
index a910fb889..aace908c9 100644
--- a/bukkit/src/main/java/net/momirealms/craftengine/bukkit/plugin/injector/BlockStateProviderInjector.java
+++ b/bukkit/src/main/java/net/momirealms/craftengine/bukkit/plugin/injector/BlockStateProviderInjector.java
@@ -10,6 +10,8 @@ import java.util.Set;
 
 public final class BlockStateProviderInjector {
 
+    private BlockStateProviderInjector() {}
+
     public static void init() throws ReflectiveOperationException {
         CoreReflections.field$MappedRegistry$frozen.set(MBuiltInRegistries.BLOCKSTATE_PROVIDER_TYPE, false);
 
diff --git a/bukkit/src/main/java/net/momirealms/craftengine/bukkit/plugin/injector/FeatureInjector.java b/bukkit/src/main/java/net/momirealms/craftengine/bukkit/plugin/injector/FeatureInjector.java
new file mode 100644
index 000000000..9c7ff2cb7
--- /dev/null
+++ b/bukkit/src/main/java/net/momirealms/craftengine/bukkit/plugin/injector/FeatureInjector.java
@@ -0,0 +1,25 @@
+package net.momirealms.craftengine.bukkit.plugin.injector;
+
+import net.momirealms.craftengine.bukkit.nms.FastNMS;
+import net.momirealms.craftengine.bukkit.plugin.reflection.minecraft.CoreReflections;
+import net.momirealms.craftengine.bukkit.plugin.reflection.minecraft.MBuiltInRegistries;
+import net.momirealms.craftengine.bukkit.util.KeyUtils;
+import net.momirealms.craftengine.core.util.Key;
+
+import java.util.Set;
+
+public final class FeatureInjector {
+
+    private FeatureInjector() {}
+
+    public static void init() throws ReflectiveOperationException {
+        Object registry = MBuiltInRegistries.FEATURE;
+        CoreReflections.field$MappedRegistry$frozen.set(registry, false);
+        Object resourceLocation = KeyUtils.toResourceLocation(Key.of("craftengine:simple_block"));
+        Object type = FastNMS.INSTANCE.getCraftEngineCustomSimpleBlockFeature();
+        Object holder = CoreReflections.method$Registry$registerForHolder.invoke(null, registry, resourceLocation, type);
+        CoreReflections.method$Holder$Reference$bindValue.invoke(holder, type);
+        CoreReflections.field$Holder$Reference$tags.set(holder, Set.of());
+        CoreReflections.field$MappedRegistry$frozen.set(registry, true);
+    }
+}
diff --git a/bukkit/src/main/java/net/momirealms/craftengine/bukkit/plugin/injector/ProtectedFieldVisitor.java b/bukkit/src/main/java/net/momirealms/craftengine/bukkit/plugin/injector/ProtectedFieldVisitor.java
index 2aa8e66c3..e53215bed 100644
--- a/bukkit/src/main/java/net/momirealms/craftengine/bukkit/plugin/injector/ProtectedFieldVisitor.java
+++ b/bukkit/src/main/java/net/momirealms/craftengine/bukkit/plugin/injector/ProtectedFieldVisitor.java
@@ -18,6 +18,8 @@ import java.lang.reflect.Modifier;
 public final class ProtectedFieldVisitor {
     private static FieldAccessor internalFieldAccessor;
 
+    private ProtectedFieldVisitor() {}
+
     public static void init() throws ReflectiveOperationException {
         ByteBuddy byteBuddy = new ByteBuddy(ClassFileVersion.JAVA_V17);
         // InternalFieldAccessor Interface
diff --git a/bukkit/src/main/java/net/momirealms/craftengine/bukkit/plugin/injector/RecipeInjector.java b/bukkit/src/main/java/net/momirealms/craftengine/bukkit/plugin/injector/RecipeInjector.java
index 179b62e47..056cac825 100644
--- a/bukkit/src/main/java/net/momirealms/craftengine/bukkit/plugin/injector/RecipeInjector.java
+++ b/bukkit/src/main/java/net/momirealms/craftengine/bukkit/plugin/injector/RecipeInjector.java
@@ -40,6 +40,8 @@ public final class RecipeInjector {
     private static Class<?> clazz$InjectedRepairItemRecipe;
     private static Class<?> clazz$InjectedFireworkStarFadeRecipe;
 
+    private RecipeInjector() {}
+
     public static void init() {
         ByteBuddy byteBuddy = new ByteBuddy(ClassFileVersion.JAVA_V17);
 
diff --git a/bukkit/src/main/java/net/momirealms/craftengine/bukkit/plugin/injector/WorldStorageInjector.java b/bukkit/src/main/java/net/momirealms/craftengine/bukkit/plugin/injector/WorldStorageInjector.java
index fd65f8003..0d90bceef 100644
--- a/bukkit/src/main/java/net/momirealms/craftengine/bukkit/plugin/injector/WorldStorageInjector.java
+++ b/bukkit/src/main/java/net/momirealms/craftengine/bukkit/plugin/injector/WorldStorageInjector.java
@@ -43,6 +43,8 @@ public final class WorldStorageInjector {
     private static Class<?> clazz$InjectedPalettedContainer;
     private static MethodHandle constructor$InjectedLevelChunkSection;
 
+    private WorldStorageInjector() {}
+
     public static void init() throws ReflectiveOperationException {
         ByteBuddy byteBuddy = new ByteBuddy(ClassFileVersion.JAVA_V17);
         // Paletted Container
diff --git a/bukkit/src/main/java/net/momirealms/craftengine/bukkit/plugin/reflection/minecraft/CoreReflections.java b/bukkit/src/main/java/net/momirealms/craftengine/bukkit/plugin/reflection/minecraft/CoreReflections.java
index bcefb896d..4bef1277b 100644
--- a/bukkit/src/main/java/net/momirealms/craftengine/bukkit/plugin/reflection/minecraft/CoreReflections.java
+++ b/bukkit/src/main/java/net/momirealms/craftengine/bukkit/plugin/reflection/minecraft/CoreReflections.java
@@ -639,7 +639,6 @@ public final class CoreReflections {
     ), VersionHelper.isOrAbove1_21_5());
 
 
-
     public static final Method method$Registry$getId = requireNonNull(
             ReflectionUtils.getMethod(clazz$Registry, int.class, Object.class)
     );
@@ -4566,4 +4565,11 @@ public final class CoreReflections {
                     "world.level.levelgen.feature.stateproviders.BlockStateProviderType"
             )
     );
+
+    public static final Class<?> clazz$Feature = requireNonNull(
+            BukkitReflectionUtils.findReobfOrMojmapClass(
+                    "world.level.levelgen.feature.WorldGenerator",
+                    "world.level.levelgen.feature.Feature"
+            )
+    );
 }
diff --git a/bukkit/src/main/java/net/momirealms/craftengine/bukkit/plugin/reflection/minecraft/MBuiltInRegistries.java b/bukkit/src/main/java/net/momirealms/craftengine/bukkit/plugin/reflection/minecraft/MBuiltInRegistries.java
index 41b238800..a5f47d97f 100644
--- a/bukkit/src/main/java/net/momirealms/craftengine/bukkit/plugin/reflection/minecraft/MBuiltInRegistries.java
+++ b/bukkit/src/main/java/net/momirealms/craftengine/bukkit/plugin/reflection/minecraft/MBuiltInRegistries.java
@@ -27,6 +27,7 @@ public final class MBuiltInRegistries {
     public static final Object LOOT_POOL_ENTRY_TYPE;
     public static final Object GAME_EVENT;
     public static final Object BLOCKSTATE_PROVIDER_TYPE;
+    public static final Object FEATURE;
 
     static {
         Field[] fields = CoreReflections.clazz$BuiltInRegistries.getDeclaredFields();
@@ -46,6 +47,7 @@ public final class MBuiltInRegistries {
             Object registries$LootPoolEntryType  = null;
             Object registries$GameEvent  = null;
             Object registries$BlockStateProviderType  = null;
+            Object registries$Feature  = null;
 
             for (Field field : fields) {
                 Type fieldType = field.getGenericType();
@@ -63,6 +65,8 @@ public final class MBuiltInRegistries {
                             registries$BlockEntityType = field.get(null);
                         } else if (rawType == CoreReflections.clazz$BlockStateProviderType) {
                             registries$BlockStateProviderType = field.get(null);
+                        } else if (rawType == CoreReflections.clazz$Feature) {
+                            registries$Feature = field.get(null);
                         } else if (VersionHelper.isOrAbove1_20_5() && rawType == CoreReflections.clazz$DataComponentType && registries$DataComponentType == null) {
                             registries$DataComponentType = field.get(null);
                         } else if (VersionHelper.isOrAbove1_21_5() && rawType == CoreReflections.clazz$DataComponentPredicate$Type) {
@@ -103,6 +107,7 @@ public final class MBuiltInRegistries {
             DATA_COMPONENT_TYPE = registries$DataComponentType;
             GAME_EVENT = requireNonNull(registries$GameEvent);
             BLOCKSTATE_PROVIDER_TYPE = requireNonNull(registries$BlockStateProviderType);
+            FEATURE = requireNonNull(registries$Feature);
             DATA_COMPONENT_PREDICATE_TYPE = registries$DataComponentPredicateType;
         } catch (ReflectiveOperationException e) {
             throw new ReflectionInitException("Failed to init BuiltInRegistries", e);
diff --git a/core/src/main/java/net/momirealms/craftengine/core/block/BlockBehavior.java b/core/src/main/java/net/momirealms/craftengine/core/block/BlockBehavior.java
index 230782fde..310131a79 100644
--- a/core/src/main/java/net/momirealms/craftengine/core/block/BlockBehavior.java
+++ b/core/src/main/java/net/momirealms/craftengine/core/block/BlockBehavior.java
@@ -189,15 +189,18 @@ public abstract class BlockBehavior {
     public void onProjectileHit(Object thisBlock, Object[] args, Callable<Object> superMethod) throws Exception {
     }
 
-    // Level level, BlockPos pos, BlockState state, LivingEntity placer, ItemStack itemStack
+    // Level/WorldGenLevel level, BlockPos pos, BlockState state, LivingEntity placer, ItemStack itemStack
     public void placeMultiState(Object thisBlock, Object[] args, Callable<Object> superMethod) throws Exception {
     }
 
-    // Level level, BlockPos pos, BlockState state
     public boolean canPlaceMultiState(BlockAccessor accessor, BlockPos pos, ImmutableBlockState state) {
         return true;
     }
 
+    public boolean hasMultiState(ImmutableBlockState baseState) {
+        return false;
+    }
+
     public ImmutableBlockState updateStateForPlacement(BlockPlaceContext context, ImmutableBlockState state) {
         return state;
     }
diff --git a/gradle.properties b/gradle.properties
index 05903929a..3d0dc883d 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -48,7 +48,7 @@ byte_buddy_version=1.17.8
 ahocorasick_version=0.6.3
 snake_yaml_version=2.5
 anti_grief_version=1.0.4
-nms_helper_version=1.0.132
+nms_helper_version=1.0.134
 evalex_version=3.5.0
 reactive_streams_version=1.0.4
 amazon_awssdk_version=2.34.5