diff --git a/core/src/main/java/com/volmit/iris/core/tools/IrisBiomeFixer.java b/core/src/main/java/com/volmit/iris/core/tools/IrisBiomeFixer.java
new file mode 100644
index 000000000..f202d2a11
--- /dev/null
+++ b/core/src/main/java/com/volmit/iris/core/tools/IrisBiomeFixer.java
@@ -0,0 +1,46 @@
+package com.volmit.iris.core.tools;
+
+import com.volmit.iris.Iris;
+import com.volmit.iris.util.format.C;
+import com.volmit.iris.util.format.Form;
+import com.volmit.iris.util.math.M;
+import com.volmit.iris.util.math.Position2;
+import com.volmit.iris.util.math.Spiraler;
+import com.volmit.iris.util.misc.E;
+import com.volmit.iris.util.nbt.mca.MCAFile;
+import com.volmit.iris.util.nbt.mca.MCAUtil;
+import com.volmit.iris.util.parallel.BurstExecutor;
+import com.volmit.iris.util.parallel.MultiBurst;
+import com.volmit.iris.util.scheduling.ChronoLatch;
+import org.bukkit.Chunk;
+import org.bukkit.World;
+
+import java.io.File;
+import java.io.FileNotFoundException;
+import java.util.ArrayList;
+import java.util.concurrent.atomic.AtomicInteger;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+public class IrisBiomeFixer {
+    /**
+     * Do a pregen style approach irritate across a certain region and set everything to the correct biome again.
+     * Have 2 modes ( all, surface-only ) surface-only gets the underground caves from a different world
+     */
+
+    private World world;
+    private int radius;
+    private ChronoLatch latch;
+
+
+    public IrisBiomeFixer(World world, int radius) {
+        this.world = world;
+        this.radius = radius;
+        this.latch = new ChronoLatch(3000);
+
+
+    }
+
+
+
+}