diff --git a/src/main/java/com/colen/postea/API/BlockReplacementManager.java b/src/main/java/com/colen/postea/API/BlockReplacementManager.java
index 9568ac1..bf21b81 100644
--- a/src/main/java/com/colen/postea/API/BlockReplacementManager.java
+++ b/src/main/java/com/colen/postea/API/BlockReplacementManager.java
@@ -2,30 +2,31 @@ package com.colen.postea.API;
 
 import java.util.HashMap;
 import java.util.Map;
-import java.util.function.Function;
+import java.util.function.BiFunction;
+
+import net.minecraft.world.World;
 
 import com.colen.postea.Utility.BlockConversionInfo;
 
 public class BlockReplacementManager {
 
-    private static final Map<String, Function<BlockConversionInfo, BlockConversionInfo>> blockReplacementMap = new HashMap<>();
+    private static final Map<String, BiFunction<BlockConversionInfo, World, BlockConversionInfo>> blockReplacementMap = new HashMap<>();
 
     @SuppressWarnings("unused")
     public static void addBlockReplacement(String blockNameIn,
-        Function<BlockConversionInfo, BlockConversionInfo> transformer) {
+        BiFunction<BlockConversionInfo, World, BlockConversionInfo> transformer) {
         blockReplacementMap.put(blockNameIn, transformer);
     }
 
-    @SuppressWarnings("unused")
-    public static BlockConversionInfo getBlockReplacement(BlockConversionInfo blockConversionInfo) {
+    public static BlockConversionInfo getBlockReplacement(BlockConversionInfo blockConversionInfo, World world) {
 
-        Function<BlockConversionInfo, BlockConversionInfo> transformer = blockReplacementMap
+        BiFunction<BlockConversionInfo, World, BlockConversionInfo> transformer = blockReplacementMap
             .getOrDefault(blockConversionInfo.blockName, null);
 
         if (transformer == null) {
             return null;
         } else {
-            return transformer.apply(blockConversionInfo);
+            return transformer.apply(blockConversionInfo, world);
         }
     }
 
diff --git a/src/main/java/com/colen/postea/Utility/ChunkFixerUtility.java b/src/main/java/com/colen/postea/Utility/ChunkFixerUtility.java
index cc48cf0..18ee057 100644
--- a/src/main/java/com/colen/postea/Utility/ChunkFixerUtility.java
+++ b/src/main/java/com/colen/postea/Utility/ChunkFixerUtility.java
@@ -32,15 +32,16 @@ public class ChunkFixerUtility {
 
         for (int i = 0; i < sections.tagCount(); i++) {
             NBTTagCompound section = sections.getCompoundTagAt(i);
+
+            // Blocks16 and Data16 exist only because of NEID.
             byte[] blockArray = section.getByteArray("Blocks16");
-            byte[] metadataArray = section.getByteArray("Data16"); // Updated to Data16
+            byte[] metadataArray = section.getByteArray("Data16");
+
             byte sectionY = section.getByte("Y");
 
             for (int index = 0; index < blockArray.length / 2; index++) {
                 int blockId = ((blockArray[index * 2] & 0xFF) << 8) | (blockArray[index * 2 + 1] & 0xFF);
-                int metadata = ((metadataArray[index * 2] & 0xFF) << 8) | (metadataArray[index * 2 + 1] & 0xFF); // Updated
-                                                                                                                 // for
-                                                                                                                 // Data16
+                int metadata = ((metadataArray[index * 2] & 0xFF) << 8) | (metadataArray[index * 2 + 1] & 0xFF);
 
                 Block block = Block.getBlockById(blockId);
                 String blockName = GameRegistry.findUniqueIdentifierFor(block)
@@ -60,7 +61,8 @@ public class ChunkFixerUtility {
                 blockConversionInfo.y = y;
                 blockConversionInfo.z = z + chunkZPos + 1;
 
-                BlockConversionInfo output = BlockReplacementManager.getBlockReplacement(blockConversionInfo);
+                BlockConversionInfo output = BlockReplacementManager.getBlockReplacement(blockConversionInfo, world);
+
                 if (output != null) {
                     int newBlockId = output.blockID;
                     int newMetadata = output.metadata;