diff --git a/platforms/bukkit/nms/v1_21_3/src/main/java/com/dfsek/terra/bukkit/nms/v1_21_3/AwfulBukkitHacks.java b/platforms/bukkit/nms/v1_21_3/src/main/java/com/dfsek/terra/bukkit/nms/v1_21_3/AwfulBukkitHacks.java
index 813d1768b..676c404eb 100644
--- a/platforms/bukkit/nms/v1_21_3/src/main/java/com/dfsek/terra/bukkit/nms/v1_21_3/AwfulBukkitHacks.java
+++ b/platforms/bukkit/nms/v1_21_3/src/main/java/com/dfsek/terra/bukkit/nms/v1_21_3/AwfulBukkitHacks.java
@@ -20,6 +20,7 @@ import java.util.ArrayList;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
+import java.util.Set;
 
 import com.dfsek.terra.bukkit.world.BukkitPlatformBiome;
 import com.dfsek.terra.registry.master.ConfigRegistry;
@@ -35,8 +36,10 @@ public class AwfulBukkitHacks {
             LOGGER.info("Hacking biome registry...");
             MappedRegistry<Biome> biomeRegistry = (MappedRegistry<Biome>) RegistryFetcher.biomeRegistry();
 
+            // Unfreeze the biome registry to allow modification
             Reflection.MAPPED_REGISTRY.setFrozen(biomeRegistry, false);
 
+            // Register the terra biomes to the registry
             configRegistry.forEach(pack -> pack.getRegistry(com.dfsek.terra.api.world.biome.Biome.class).forEach((key, biome) -> {
                 try {
                     BukkitPlatformBiome platformBiome = (BukkitPlatformBiome) biome.getPlatformBiome();
@@ -66,6 +69,8 @@ public class AwfulBukkitHacks {
                 }
             }));
 
+            Reflection.MAPPED_REGISTRY.setFrozen(biomeRegistry, true); // freeze registry again :)
+
             LOGGER.info("Doing tag garbage....");
             Map<TagKey<Biome>, List<Holder<Biome>>> collect = biomeRegistry
                 .getTags() // streamKeysAndEntries
@@ -92,14 +97,17 @@ public class AwfulBukkitHacks {
                                 () -> LOGGER.error("No such biome: {}", tb))),
                         () -> LOGGER.error("No vanilla biome: {}", vb)));
 
-            biomeRegistry.bindAllTagsToEmpty();
+            resetTags(biomeRegistry);
             ImmutableMap.copyOf(collect).forEach(biomeRegistry::bindTag);
 
-            Reflection.MAPPED_REGISTRY.setFrozen(biomeRegistry, true); // freeze registry again :)
-
         } catch(SecurityException | IllegalArgumentException exception) {
             throw new RuntimeException(exception);
         }
     }
+
+    private static void resetTags(MappedRegistry<?> registry) {
+        registry.getTags().forEach(entryList -> Reflection.HOLDER_SET.invokeBind(entryList, List.of()));
+        Reflection.MAPPED_REGISTRY.getByKey(registry).values().forEach(entry -> Reflection.HOLDER_REFERENCE.invokeBindTags(entry, Set.of()));
+    }
 }
 
diff --git a/platforms/bukkit/nms/v1_21_3/src/main/java/com/dfsek/terra/bukkit/nms/v1_21_3/Reflection.java b/platforms/bukkit/nms/v1_21_3/src/main/java/com/dfsek/terra/bukkit/nms/v1_21_3/Reflection.java
index 2da0011fd..044fb479f 100644
--- a/platforms/bukkit/nms/v1_21_3/src/main/java/com/dfsek/terra/bukkit/nms/v1_21_3/Reflection.java
+++ b/platforms/bukkit/nms/v1_21_3/src/main/java/com/dfsek/terra/bukkit/nms/v1_21_3/Reflection.java
@@ -4,7 +4,9 @@ import net.minecraft.core.Holder;
 import net.minecraft.core.Holder.Reference;
 import net.minecraft.core.HolderSet;
 import net.minecraft.core.MappedRegistry;
+import net.minecraft.resources.ResourceKey;
 import net.minecraft.server.level.ChunkMap;
+import net.minecraft.tags.TagKey;
 import net.minecraft.world.level.LevelAccessor;
 import net.minecraft.world.level.StructureManager;
 import net.minecraft.world.level.biome.Biome;
@@ -16,7 +18,9 @@ import xyz.jpenilla.reflectionremapper.proxy.annotation.FieldSetter;
 import xyz.jpenilla.reflectionremapper.proxy.annotation.MethodName;
 import xyz.jpenilla.reflectionremapper.proxy.annotation.Proxies;
 
+import java.util.Collection;
 import java.util.List;
+import java.util.Map;
 
 
 public class Reflection {
@@ -27,6 +31,7 @@ public class Reflection {
 
 
     public static final ChunkMapProxy CHUNKMAP;
+    public static final HolderReferenceProxy HOLDER_REFERENCE;
     public static final HolderSetNamedProxy HOLDER_SET;
     public static final BiomeProxy BIOME;
 
@@ -39,6 +44,7 @@ public class Reflection {
         STRUCTURE_MANAGER = reflectionProxyFactory.reflectionProxy(StructureManagerProxy.class);
         REFERENCE = reflectionProxyFactory.reflectionProxy(ReferenceProxy.class);
         CHUNKMAP = reflectionProxyFactory.reflectionProxy(ChunkMapProxy.class);
+        HOLDER_REFERENCE = reflectionProxyFactory.reflectionProxy(HolderReferenceProxy.class);
         HOLDER_SET = reflectionProxyFactory.reflectionProxy(HolderSetNamedProxy.class);
         BIOME = reflectionProxyFactory.reflectionProxy(BiomeProxy.class);
     }
@@ -46,6 +52,9 @@ public class Reflection {
 
     @Proxies(MappedRegistry.class)
     public interface MappedRegistryProxy {
+        @FieldGetter("byKey")
+        <T> Map<ResourceKey<T>, Reference<T>> getByKey(MappedRegistry<T> instance);
+
         @FieldSetter("frozen")
         void setFrozen(MappedRegistry<?> instance, boolean frozen);
     }
@@ -73,8 +82,17 @@ public class Reflection {
         void setWorldGenContext(ChunkMap instance, WorldGenContext worldGenContext);
     }
 
+    @Proxies(Holder.Reference.class)
+    public interface HolderReferenceProxy {
+        @MethodName("bindTags")
+        <T> void invokeBindTags(Holder.Reference<T> instance, Collection<TagKey<T>> tags);
+    }
+
     @Proxies(HolderSet.Named.class)
     public interface HolderSetNamedProxy {
+        @MethodName("bind")
+        <T> void invokeBind(HolderSet.Named<T> instance, List<Holder<T>> entries);
+
         @MethodName("contents")
         <T> List<Holder<T>> invokeContents(HolderSet.Named<T> instance);
     }