diff --git a/common/src/main/java/com/dfsek/terra/api/translator/AttemptsFailedException.java b/common/src/main/java/com/dfsek/terra/api/transform/AttemptsFailedException.java
similarity index 90%
rename from common/src/main/java/com/dfsek/terra/api/translator/AttemptsFailedException.java
rename to common/src/main/java/com/dfsek/terra/api/transform/AttemptsFailedException.java
index b5f23a6f2..256ad5e57 100644
--- a/common/src/main/java/com/dfsek/terra/api/translator/AttemptsFailedException.java
+++ b/common/src/main/java/com/dfsek/terra/api/transform/AttemptsFailedException.java
@@ -1,4 +1,4 @@
-package com.dfsek.terra.api.translator;
+package com.dfsek.terra.api.transform;
 
 public class AttemptsFailedException extends RuntimeException {
     public AttemptsFailedException() {
diff --git a/common/src/main/java/com/dfsek/terra/api/translator/MapTransform.java b/common/src/main/java/com/dfsek/terra/api/transform/MapTransform.java
similarity index 94%
rename from common/src/main/java/com/dfsek/terra/api/translator/MapTransform.java
rename to common/src/main/java/com/dfsek/terra/api/transform/MapTransform.java
index 03edbbabb..efd409194 100644
--- a/common/src/main/java/com/dfsek/terra/api/translator/MapTransform.java
+++ b/common/src/main/java/com/dfsek/terra/api/transform/MapTransform.java
@@ -1,4 +1,4 @@
-package com.dfsek.terra.api.translator;
+package com.dfsek.terra.api.transform;
 
 import java.util.HashMap;
 import java.util.Map;
diff --git a/common/src/main/java/com/dfsek/terra/api/transform/NotNullValidator.java b/common/src/main/java/com/dfsek/terra/api/transform/NotNullValidator.java
new file mode 100644
index 000000000..b94b7be39
--- /dev/null
+++ b/common/src/main/java/com/dfsek/terra/api/transform/NotNullValidator.java
@@ -0,0 +1,8 @@
+package com.dfsek.terra.api.transform;
+
+public class NotNullValidator<T> implements Validator<T> {
+    @Override
+    public boolean validate(T value) {
+        return !(value == null);
+    }
+}
diff --git a/common/src/main/java/com/dfsek/terra/api/translator/Transform.java b/common/src/main/java/com/dfsek/terra/api/transform/Transform.java
similarity index 81%
rename from common/src/main/java/com/dfsek/terra/api/translator/Transform.java
rename to common/src/main/java/com/dfsek/terra/api/transform/Transform.java
index c186c1e8e..2732b1da7 100644
--- a/common/src/main/java/com/dfsek/terra/api/translator/Transform.java
+++ b/common/src/main/java/com/dfsek/terra/api/transform/Transform.java
@@ -1,4 +1,4 @@
-package com.dfsek.terra.api.translator;
+package com.dfsek.terra.api.transform;
 
 /**
  * Interface to transform data from one type to another.
diff --git a/common/src/main/java/com/dfsek/terra/api/translator/TransformException.java b/common/src/main/java/com/dfsek/terra/api/transform/TransformException.java
similarity index 90%
rename from common/src/main/java/com/dfsek/terra/api/translator/TransformException.java
rename to common/src/main/java/com/dfsek/terra/api/transform/TransformException.java
index 419dc4c23..9643d9673 100644
--- a/common/src/main/java/com/dfsek/terra/api/translator/TransformException.java
+++ b/common/src/main/java/com/dfsek/terra/api/transform/TransformException.java
@@ -1,4 +1,4 @@
-package com.dfsek.terra.api.translator;
+package com.dfsek.terra.api.transform;
 
 public class TransformException extends Exception {
     public TransformException() {
diff --git a/common/src/main/java/com/dfsek/terra/api/translator/Transformer.java b/common/src/main/java/com/dfsek/terra/api/transform/Transformer.java
similarity index 50%
rename from common/src/main/java/com/dfsek/terra/api/translator/Transformer.java
rename to common/src/main/java/com/dfsek/terra/api/transform/Transformer.java
index 5a7efd66e..ed66fda10 100644
--- a/common/src/main/java/com/dfsek/terra/api/translator/Transformer.java
+++ b/common/src/main/java/com/dfsek/terra/api/transform/Transformer.java
@@ -1,7 +1,10 @@
-package com.dfsek.terra.api.translator;
+package com.dfsek.terra.api.transform;
 
 import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.LinkedHashMap;
 import java.util.List;
+import java.util.Map;
 
 /**
  * Class to translate types from one style/platform to another.
@@ -10,10 +13,10 @@ import java.util.List;
  * @param <T> Data type to transform to.
  */
 public class Transformer<F, T> {
-    private final List<Transform<F, T>> transformer;
+    private final LinkedHashMap<Transform<F, T>, List<Validator<T>>> transformers;
 
-    private Transformer(List<Transform<F, T>> transformer) {
-        this.transformer = transformer;
+    private Transformer(LinkedHashMap<Transform<F, T>, List<Validator<T>>> transformer) {
+        this.transformers = transformer;
     }
 
     /**
@@ -24,9 +27,15 @@ public class Transformer<F, T> {
      */
     public T translate(F from) {
         List<Exception> exceptions = new ArrayList<>();
-        for(Transform<F, T> transform : transformer) {
+        for(Map.Entry<Transform<F, T>, List<Validator<T>>> transform : transformers.entrySet()) {
             try {
-                return transform.transform(from);
+                T result = transform.getKey().transform(from);
+                for(Validator<T> validator : transform.getValue()) {
+                    if(!validator.validate(result)) {
+                        throw new TransformException("Failed to validate result: " + result.toString());
+                    }
+                }
+                return result;
             } catch(Exception exception) {
                 exceptions.add(exception);
             }
@@ -45,15 +54,16 @@ public class Transformer<F, T> {
      * @param <T>
      * @param <F>
      */
-    public static class Builder<T, F> {
-        private final List<Transform<T, F>> transforms = new ArrayList<>();
+    public static final class Builder<F, T> {
+        private final LinkedHashMap<Transform<F, T>, List<Validator<T>>> transforms = new LinkedHashMap<>();
 
-        public Builder<T, F> addTransform(Transform<T, F> transform) {
-            transforms.add(transform);
+        @SafeVarargs
+        public final Builder<F, T> addTransform(Transform<F, T> transform, Validator<T>... validators) {
+            transforms.put(transform, Arrays.asList(validators));
             return this;
         }
 
-        public Transformer<T, F> build() {
+        public final Transformer<F, T> build() {
             return new Transformer<>(transforms);
         }
     }
diff --git a/common/src/main/java/com/dfsek/terra/api/transform/Validator.java b/common/src/main/java/com/dfsek/terra/api/transform/Validator.java
new file mode 100644
index 000000000..c9ba5db9e
--- /dev/null
+++ b/common/src/main/java/com/dfsek/terra/api/transform/Validator.java
@@ -0,0 +1,6 @@
+package com.dfsek.terra.api.transform;
+
+
+public interface Validator<T> {
+    boolean validate(T value) throws TransformException;
+}
diff --git a/common/src/main/java/com/dfsek/terra/population/OrePopulator.java b/common/src/main/java/com/dfsek/terra/population/OrePopulator.java
index c2d9f9e26..19ba94497 100644
--- a/common/src/main/java/com/dfsek/terra/population/OrePopulator.java
+++ b/common/src/main/java/com/dfsek/terra/population/OrePopulator.java
@@ -35,7 +35,7 @@ public class OrePopulator implements TerraBlockPopulator {
                     Random random = new FastRandom(MathUtil.getCarverChunkSeed(chunk.getX() + cx, chunk.getZ() + cz, world.getSeed()));
                     int originX = ((chunk.getX() + cx) << 4);
                     int originZ = ((chunk.getZ() + cz) << 4);
-                    Biome b = main.getWorld(world).getGrid().getBiome(originX + 8, originZ + 8, GenerationPhase.POPULATE);
+                    Biome b = tw.getGrid().getBiome(originX + 8, originZ + 8, GenerationPhase.POPULATE);
                     BiomeTemplate config = ((UserDefinedBiome) b).getConfig();
                     int finalCx = cx;
                     int finalCz = cz;
diff --git a/platforms/bukkit/src/main/java/com/dfsek/terra/bukkit/BukkitWorldHandle.java b/platforms/bukkit/src/main/java/com/dfsek/terra/bukkit/BukkitWorldHandle.java
index 02f4fe45f..64d9943d9 100644
--- a/platforms/bukkit/src/main/java/com/dfsek/terra/bukkit/BukkitWorldHandle.java
+++ b/platforms/bukkit/src/main/java/com/dfsek/terra/bukkit/BukkitWorldHandle.java
@@ -6,7 +6,7 @@ import com.dfsek.terra.api.generic.world.WorldHandle;
 import com.dfsek.terra.api.generic.world.block.Block;
 import com.dfsek.terra.api.generic.world.block.BlockData;
 import com.dfsek.terra.api.generic.world.block.MaterialData;
-import com.dfsek.terra.api.translator.Transformer;
+import com.dfsek.terra.api.transform.Transformer;
 import com.dfsek.terra.bukkit.world.block.BukkitBlockData;
 import com.dfsek.terra.bukkit.world.block.BukkitMaterialData;
 import com.dfsek.terra.bukkit.world.block.data.BukkitMultipleFacing;
diff --git a/platforms/bukkit/src/main/java/com/dfsek/terra/bukkit/TerraBukkitPlugin.java b/platforms/bukkit/src/main/java/com/dfsek/terra/bukkit/TerraBukkitPlugin.java
index 09105d372..85c8fea12 100644
--- a/platforms/bukkit/src/main/java/com/dfsek/terra/bukkit/TerraBukkitPlugin.java
+++ b/platforms/bukkit/src/main/java/com/dfsek/terra/bukkit/TerraBukkitPlugin.java
@@ -12,8 +12,8 @@ import com.dfsek.terra.api.generic.world.World;
 import com.dfsek.terra.api.generic.world.WorldHandle;
 import com.dfsek.terra.api.generic.world.block.BlockData;
 import com.dfsek.terra.api.generic.world.block.MaterialData;
-import com.dfsek.terra.api.translator.MapTransform;
-import com.dfsek.terra.api.translator.Transformer;
+import com.dfsek.terra.api.transform.MapTransform;
+import com.dfsek.terra.api.transform.Transformer;
 import com.dfsek.terra.bukkit.command.command.TerraCommand;
 import com.dfsek.terra.bukkit.command.command.structure.LocateCommand;
 import com.dfsek.terra.bukkit.generator.BukkitChunkGenerator;
diff --git a/platforms/fabric/src/main/java/com/dfsek/terra/fabric/TerraFabricPlugin.java b/platforms/fabric/src/main/java/com/dfsek/terra/fabric/TerraFabricPlugin.java
index 0613ffd43..f22fd85eb 100644
--- a/platforms/fabric/src/main/java/com/dfsek/terra/fabric/TerraFabricPlugin.java
+++ b/platforms/fabric/src/main/java/com/dfsek/terra/fabric/TerraFabricPlugin.java
@@ -10,8 +10,10 @@ import com.dfsek.terra.api.generic.world.World;
 import com.dfsek.terra.api.generic.world.WorldHandle;
 import com.dfsek.terra.api.generic.world.block.BlockData;
 import com.dfsek.terra.api.generic.world.block.MaterialData;
-import com.dfsek.terra.api.translator.MapTransform;
-import com.dfsek.terra.api.translator.Transformer;
+import com.dfsek.terra.api.transform.MapTransform;
+import com.dfsek.terra.api.transform.NotNullValidator;
+import com.dfsek.terra.api.transform.Transformer;
+import com.dfsek.terra.biome.UserDefinedBiome;
 import com.dfsek.terra.config.base.PluginConfig;
 import com.dfsek.terra.config.lang.LangUtil;
 import com.dfsek.terra.fabric.inventory.FabricItemHandle;
@@ -29,9 +31,13 @@ import net.minecraft.util.Identifier;
 import net.minecraft.util.registry.BuiltinRegistries;
 import net.minecraft.util.registry.Registry;
 import net.minecraft.world.biome.Biome;
+import net.minecraft.world.biome.BiomeEffects;
+import net.minecraft.world.biome.GenerationSettings;
+import net.minecraft.world.biome.SpawnSettings;
 import net.minecraft.world.gen.chunk.ChunkGenerator;
 import net.minecraft.world.gen.chunk.ChunkGeneratorSettings;
 import net.minecraft.world.gen.feature.ConfiguredFeature;
+import net.minecraft.world.gen.feature.DefaultBiomeFeatures;
 import net.minecraft.world.gen.feature.Feature;
 import net.minecraft.world.gen.feature.HugeMushroomFeature;
 import net.minecraft.world.gen.feature.TreeFeature;
@@ -139,19 +145,42 @@ public class TerraFabricPlugin implements TerraPlugin, ModInitializer {
         }
     }
 
+    Transformer<String, Biome> biomeFixer = new Transformer.Builder<String, Biome>()
+            .addTransform(id -> BuiltinRegistries.BIOME.get(Identifier.tryParse(id)), new NotNullValidator<>())
+            .addTransform(id -> BuiltinRegistries.BIOME.get(Identifier.tryParse("minecraft:" + id.toLowerCase())), new NotNullValidator<>()).build();
+
     @Override
     public void register(TypeRegistry registry) {
         genericLoaders.register(registry);
         registry
                 .registerLoader(BlockData.class, (t, o, l) -> worldHandle.createBlockData((String) o))
                 .registerLoader(MaterialData.class, (t, o, l) -> worldHandle.createMaterialData((String) o))
-                .registerLoader(com.dfsek.terra.api.generic.world.Biome.class, (t, o, l) -> {
-                    String id = (String) o;
-                    if(!id.contains(":")) id = "minecraft:" + id.toLowerCase();
-                    Identifier identifier = new Identifier(id);
-                    Biome biome = BuiltinRegistries.BIOME.get(identifier);
-                    return new FabricBiome(biome);
-                });
+                .registerLoader(com.dfsek.terra.api.generic.world.Biome.class, (t, o, l) -> new FabricBiome(biomeFixer.translate((String) o)));
+    }
+
+    private Biome createBiome(UserDefinedBiome biome) {
+        SpawnSettings.Builder spawnSettings = new SpawnSettings.Builder();
+        DefaultBiomeFeatures.addFarmAnimals(spawnSettings);
+        DefaultBiomeFeatures.addMonsters(spawnSettings, 95, 5, 100);
+
+        GenerationSettings.Builder generationSettings = new GenerationSettings.Builder();
+
+        return (new Biome.Builder())
+                .precipitation(Biome.Precipitation.RAIN)
+                .category(Biome.Category.NONE)
+                .depth(0.125F)
+                .scale(0.05F)
+                .temperature(0.8F)
+                .downfall(0.4F)
+                .effects((new BiomeEffects.Builder())
+                        .waterColor(0x3f76e4)
+                        .waterFogColor(0x050533)
+                        .fogColor(0xc0d8ff)
+                        .skyColor(0x77adff)
+                        .build())
+                .spawnSettings(spawnSettings.build())
+                .generationSettings(generationSettings.build())
+                .build();
     }
 
     @SuppressWarnings("unchecked")
diff --git a/platforms/fabric/src/main/java/com/dfsek/terra/fabric/mixin/MoreOptionsDialogMixin.java b/platforms/fabric/src/main/java/com/dfsek/terra/fabric/mixin/MoreOptionsDialogMixin.java
deleted file mode 100644
index 9f3cc5cf8..000000000
--- a/platforms/fabric/src/main/java/com/dfsek/terra/fabric/mixin/MoreOptionsDialogMixin.java
+++ /dev/null
@@ -1,25 +0,0 @@
-package com.dfsek.terra.fabric.mixin;
-
-import net.minecraft.client.MinecraftClient;
-import net.minecraft.client.font.TextRenderer;
-import net.minecraft.client.gui.screen.world.CreateWorldScreen;
-import net.minecraft.client.gui.screen.world.MoreOptionsDialog;
-import org.spongepowered.asm.mixin.Mixin;
-import org.spongepowered.asm.mixin.injection.At;
-import org.spongepowered.asm.mixin.injection.Inject;
-import org.spongepowered.asm.mixin.injection.callback.CallbackInfo;
-
-@Mixin(MoreOptionsDialog.class)
-public class MoreOptionsDialogMixin {
-
-    @Inject(at = @At("HEAD"), method = "method_28092(Lnet/minecraft/client/gui/screen/world/CreateWorldScreen;Lnet/minecraft/client/MinecraftClient;Lnet/minecraft/client/font/TextRenderer;)V")
-    private void draw(final CreateWorldScreen parent, MinecraftClient client, TextRenderer textRenderer, CallbackInfo info) {
-        System.out.println("More options opened");
-    }
-
-    /*@Inject(at = @At("RETURN"), method = "setVisible(B)V")
-    private void setVisible(boolean visible, CallbackInfo info) {
-        System.out.println("redraw");
-    }
-     */
-}
diff --git a/platforms/fabric/src/main/java/com/dfsek/terra/fabric/world/FabricWorldHandle.java b/platforms/fabric/src/main/java/com/dfsek/terra/fabric/world/FabricWorldHandle.java
index 17af069fe..9a8873ffd 100644
--- a/platforms/fabric/src/main/java/com/dfsek/terra/fabric/world/FabricWorldHandle.java
+++ b/platforms/fabric/src/main/java/com/dfsek/terra/fabric/world/FabricWorldHandle.java
@@ -5,7 +5,7 @@ import com.dfsek.terra.api.generic.world.WorldHandle;
 import com.dfsek.terra.api.generic.world.block.Block;
 import com.dfsek.terra.api.generic.world.block.BlockData;
 import com.dfsek.terra.api.generic.world.block.MaterialData;
-import com.dfsek.terra.api.translator.Transformer;
+import com.dfsek.terra.api.transform.Transformer;
 import com.dfsek.terra.fabric.world.block.FabricBlockData;
 import com.dfsek.terra.fabric.world.block.FabricMaterialData;
 import com.dfsek.terra.fabric.world.block.data.FabricMultipleFacing;
diff --git a/platforms/fabric/src/main/java/com/dfsek/terra/fabric/world/features/FloraFeature.java b/platforms/fabric/src/main/java/com/dfsek/terra/fabric/world/features/FloraFeature.java
new file mode 100644
index 000000000..a28b4cf54
--- /dev/null
+++ b/platforms/fabric/src/main/java/com/dfsek/terra/fabric/world/features/FloraFeature.java
@@ -0,0 +1,21 @@
+package com.dfsek.terra.fabric.world.features;
+
+import com.mojang.serialization.Codec;
+import net.minecraft.util.math.BlockPos;
+import net.minecraft.world.StructureWorldAccess;
+import net.minecraft.world.gen.chunk.ChunkGenerator;
+import net.minecraft.world.gen.feature.DefaultFeatureConfig;
+import net.minecraft.world.gen.feature.Feature;
+
+import java.util.Random;
+
+public class FloraFeature extends Feature<DefaultFeatureConfig> {
+    public FloraFeature(Codec<DefaultFeatureConfig> codec) {
+        super(codec);
+    }
+
+    @Override
+    public boolean generate(StructureWorldAccess world, ChunkGenerator chunkGenerator, Random random, BlockPos pos, DefaultFeatureConfig config) {
+        return false;
+    }
+}
diff --git a/platforms/fabric/src/main/java/com/dfsek/terra/fabric/world/handles/world/FabricWorldAccess.java b/platforms/fabric/src/main/java/com/dfsek/terra/fabric/world/handles/world/FabricWorldAccess.java
index 4e77be7aa..c5816ca25 100644
--- a/platforms/fabric/src/main/java/com/dfsek/terra/fabric/world/handles/world/FabricWorldAccess.java
+++ b/platforms/fabric/src/main/java/com/dfsek/terra/fabric/world/handles/world/FabricWorldAccess.java
@@ -8,7 +8,9 @@ import com.dfsek.terra.api.generic.world.World;
 import com.dfsek.terra.api.generic.world.block.Block;
 import com.dfsek.terra.api.generic.world.vector.Location;
 import com.dfsek.terra.fabric.world.block.FabricBlock;
+import com.dfsek.terra.fabric.world.generator.FabricChunkGenerator;
 import net.minecraft.util.math.BlockPos;
+import net.minecraft.world.ServerWorldAccess;
 import net.minecraft.world.StructureWorldAccess;
 import net.minecraft.world.WorldAccess;
 
@@ -35,12 +37,12 @@ public class FabricWorldAccess implements World {
 
     @Override
     public ChunkGenerator getGenerator() {
-        return null;
+        return new FabricChunkGenerator(((ServerWorldAccess) delegate).toServerWorld().getChunkManager().getChunkGenerator());
     }
 
     @Override
     public String getName() {
-        return delegate.toString();
+        return ((ServerWorldAccess) delegate).toServerWorld().worldProperties.getLevelName();
     }
 
     @Override
diff --git a/platforms/fabric/src/main/resources/terra.accesswidener b/platforms/fabric/src/main/resources/terra.accesswidener
index 0b39996bb..56b2a20c4 100644
--- a/platforms/fabric/src/main/resources/terra.accesswidener
+++ b/platforms/fabric/src/main/resources/terra.accesswidener
@@ -1,4 +1,5 @@
 accessWidener v1 named
 
 extendable method net/minecraft/client/world/GeneratorType <init> (Ljava/lang/String;)V
-accessible field net/minecraft/server/world/ServerWorld Lnet/minecraft/world/level/ServerWorldProperties worldProperties
\ No newline at end of file
+accessible field net/minecraft/server/world/ServerWorld worldProperties Lnet/minecraft/world/level/ServerWorldProperties;
+mutable field net/minecraft/server/world/ServerWorld worldProperties Lnet/minecraft/world/level/ServerWorldProperties;
\ No newline at end of file
diff --git a/platforms/fabric/src/main/resources/terra.mixins.json b/platforms/fabric/src/main/resources/terra.mixins.json
index be4d44a45..a6b050657 100644
--- a/platforms/fabric/src/main/resources/terra.mixins.json
+++ b/platforms/fabric/src/main/resources/terra.mixins.json
@@ -5,8 +5,7 @@
   "compatibilityLevel": "JAVA_8",
   "mixins": [],
   "client": [
-    "GeneratorTypeAccessor",
-    "MoreOptionsDialogMixin"
+    "GeneratorTypeAccessor"
   ],
   "server": [],
   "injectors": {