diff --git a/src/main/java/com/github/nyuppo/config/Variants.java b/src/main/java/com/github/nyuppo/config/Variants.java
index 14bcf2e..2055edc 100644
--- a/src/main/java/com/github/nyuppo/config/Variants.java
+++ b/src/main/java/com/github/nyuppo/config/Variants.java
@@ -11,7 +11,9 @@
 import net.minecraft.registry.tag.BiomeTags;
 import net.minecraft.server.world.ServerWorld;
 import net.minecraft.util.Identifier;
+import net.minecraft.util.math.random.CheckedRandom;
 import net.minecraft.util.math.random.Random;
+import net.minecraft.util.math.random.RandomSplitter;
 import net.minecraft.world.biome.Biome;
 import org.jetbrains.annotations.Nullable;
 
@@ -150,12 +152,15 @@ public static EntityType<?> getMob(String mobId) {
         throw new IllegalArgumentException("Unknown mob identifier: " + mobId);
     }
 
-    public static MobVariant getRandomVariant(EntityType<?> mob, Random random, @Nullable RegistryEntry<Biome> spawnBiome, @Nullable BreedingResultData breedingResultData, @Nullable Float moonSize) {
+    public static MobVariant getRandomVariant(EntityType<?> mob, long randomSeed, @Nullable RegistryEntry<Biome> spawnBiome, @Nullable BreedingResultData breedingResultData, @Nullable Float moonSize) {
         ArrayList<MobVariant> variants = getVariants(mob);
         if (variants.isEmpty()) {
             return getDefaultVariant(mob);
         }
 
+        // Split the random to ensure no off-thread access of ThreadLocalRandom occurs
+        // This fixes issues with Distant Horizons and C2ME
+        var random = new CheckedRandom(randomSeed);
         // Handle modifiers
         Iterator<MobVariant> i = variants.iterator();
         MobVariant variant;
@@ -199,7 +204,7 @@ public static MobVariant getRandomVariant(EntityType<?> mob, Random random, @Nul
         }
 
         // Create weighted bag from variants
-        VariantBag bag = new VariantBag(mob, random, variants);
+        VariantBag bag = new VariantBag(mob, variants);
 
         // If we've been provided 2 parents
         if (breedingResultData != null) {
@@ -217,11 +222,11 @@ public static MobVariant getRandomVariant(EntityType<?> mob, Random random, @Nul
                     return random.nextBoolean() ? breedingResultData.parent1() : breedingResultData.parent2();
                 }
             } else { // If there are specialized results, switch to that pool
-                bag = new VariantBag(mob, random, possibleVariants);
+                bag = new VariantBag(mob, possibleVariants);
             }
         }
 
-        return bag.getRandomEntry();
+        return bag.getRandomEntry(random);
     }
 
     @Nullable
@@ -251,9 +256,9 @@ public static MobVariant getChildVariant(EntityType<?> mob, ServerWorld world, P
             String[] parent2VariantId = parent2Nbt.getString("Variant").split(":");
             MobVariant parent2Variant = Variants.getVariant(mob, new Identifier(parent2VariantId[0], parent2VariantId[1]));
 
-            return Variants.getRandomVariant(mob, world.getRandom(), world.getBiome(parent1.getBlockPos()), new BreedingResultData(parent1Variant, parent2Variant), null);
+            return Variants.getRandomVariant(mob, world.getRandom().nextLong(), world.getBiome(parent1.getBlockPos()), new BreedingResultData(parent1Variant, parent2Variant), null);
         } else {
-            return Variants.getRandomVariant(mob, world.getRandom(), world.getBiome(parent1.getBlockPos()), null, null);
+            return Variants.getRandomVariant(mob, world.getRandom().nextLong(), world.getBiome(parent1.getBlockPos()), null, null);
         }
     }
 
diff --git a/src/main/java/com/github/nyuppo/mixin/CatVariantsMixin.java b/src/main/java/com/github/nyuppo/mixin/CatVariantsMixin.java
index b320aa9..0f1c955 100644
--- a/src/main/java/com/github/nyuppo/mixin/CatVariantsMixin.java
+++ b/src/main/java/com/github/nyuppo/mixin/CatVariantsMixin.java
@@ -45,7 +45,7 @@ protected void onReadCustomDataFromNbt(NbtCompound nbt, CallbackInfo ci) {
                 variant = Variants.getVariant(EntityType.CAT, MoreMobVariants.id(nbt.getString(MoreMobVariants.NBT_KEY)));
             }
         } else {
-            variant = Variants.getRandomVariant(EntityType.CAT, ((CatEntity)(Object)this).getWorld().getRandom(), ((CatEntity)(Object)this).getWorld().getBiome(((CatEntity)(Object)this).getBlockPos()), null, ((CatEntity)(Object)this).getWorld().getMoonSize());
+            variant = Variants.getRandomVariant(EntityType.CAT, ((CatEntity)(Object)this).getWorld().getRandom().nextLong(), ((CatEntity)(Object)this).getWorld().getBiome(((CatEntity)(Object)this).getBlockPos()), null, ((CatEntity)(Object)this).getWorld().getMoonSize());
         }
 
         // Update all players in the event that this is from modifying entity data with a command
@@ -64,7 +64,7 @@ protected void onReadCustomDataFromNbt(NbtCompound nbt, CallbackInfo ci) {
 
     @Override
     protected void onInitialize(ServerWorldAccess world, LocalDifficulty difficulty, SpawnReason spawnReason, @Nullable EntityData entityData, @Nullable NbtCompound entityNbt, CallbackInfoReturnable<EntityData> ci) {
-        variant = Variants.getRandomVariant(EntityType.CAT, world.getRandom(), world.getBiome(((CatEntity)(Object)this).getBlockPos()), null, world.getMoonSize());
+        variant = Variants.getRandomVariant(EntityType.CAT, world.getRandom().nextLong(), world.getBiome(((CatEntity)(Object)this).getBlockPos()), null, world.getMoonSize());
 
         if (world.toServerWorld().getStructureAccessor().getStructureContaining(((CatEntity)(Object)this).getBlockPos(), StructureTags.CATS_SPAWN_AS_BLACK).hasChildren()) {
             MobVariant allBlack = Variants.getVariantNullable(EntityType.CAT, new Identifier("all_black"));
diff --git a/src/main/java/com/github/nyuppo/mixin/ChickenEggMixin.java b/src/main/java/com/github/nyuppo/mixin/ChickenEggMixin.java
index 7ac96f3..a05adb9 100644
--- a/src/main/java/com/github/nyuppo/mixin/ChickenEggMixin.java
+++ b/src/main/java/com/github/nyuppo/mixin/ChickenEggMixin.java
@@ -18,7 +18,7 @@ public class ChickenEggMixin {
             at = @At("STORE")
     )
     private ChickenEntity mixin(ChickenEntity chickenEntity) {
-        MobVariant variant = Variants.getRandomVariant(EntityType.CHICKEN, chickenEntity.getWorld().getRandom(), chickenEntity.getWorld().getBiome(chickenEntity.getBlockPos()), null, chickenEntity.getWorld().getMoonSize());
+        MobVariant variant = Variants.getRandomVariant(EntityType.CHICKEN, chickenEntity.getWorld().getRandom().nextLong(), chickenEntity.getWorld().getBiome(chickenEntity.getBlockPos()), null, chickenEntity.getWorld().getMoonSize());
 
         NbtCompound newNbt = new NbtCompound();
         chickenEntity.writeNbt(newNbt);
diff --git a/src/main/java/com/github/nyuppo/mixin/ChickenVariantsMixin.java b/src/main/java/com/github/nyuppo/mixin/ChickenVariantsMixin.java
index 995d28e..36a6a24 100644
--- a/src/main/java/com/github/nyuppo/mixin/ChickenVariantsMixin.java
+++ b/src/main/java/com/github/nyuppo/mixin/ChickenVariantsMixin.java
@@ -45,7 +45,7 @@ protected void onReadCustomDataFromNbt(NbtCompound nbt, CallbackInfo ci) {
                 variant = Variants.getVariant(EntityType.CHICKEN, MoreMobVariants.id(nbt.getString(MoreMobVariants.NBT_KEY)));
             }
         } else {
-            variant = Variants.getRandomVariant(EntityType.CHICKEN, ((ChickenEntity)(Object)this).getWorld().getRandom(), ((ChickenEntity)(Object)this).getWorld().getBiome(((ChickenEntity)(Object)this).getBlockPos()), null, ((ChickenEntity)(Object)this).getWorld().getMoonSize());
+            variant = Variants.getRandomVariant(EntityType.CHICKEN, ((ChickenEntity)(Object)this).getWorld().getRandom().nextLong(), ((ChickenEntity)(Object)this).getWorld().getBiome(((ChickenEntity)(Object)this).getBlockPos()), null, ((ChickenEntity)(Object)this).getWorld().getMoonSize());
         }
 
         // Update all players in the event that this is from modifying entity data with a command
@@ -64,7 +64,7 @@ protected void onReadCustomDataFromNbt(NbtCompound nbt, CallbackInfo ci) {
 
     @Override
     protected void onInitialize(ServerWorldAccess world, LocalDifficulty difficulty, SpawnReason spawnReason, @Nullable EntityData entityData, @Nullable NbtCompound entityNbt, CallbackInfoReturnable<EntityData> ci) {
-        variant = Variants.getRandomVariant(EntityType.CHICKEN, world.getRandom(), world.getBiome(((ChickenEntity)(Object)this).getBlockPos()), null, world.getMoonSize());
+        variant = Variants.getRandomVariant(EntityType.CHICKEN, world.getRandom().nextLong(), world.getBiome(((ChickenEntity)(Object)this).getBlockPos()), null, world.getMoonSize());
     }
 
     @Inject(
diff --git a/src/main/java/com/github/nyuppo/mixin/CowVariantsMixin.java b/src/main/java/com/github/nyuppo/mixin/CowVariantsMixin.java
index f6ca06c..9fb833d 100644
--- a/src/main/java/com/github/nyuppo/mixin/CowVariantsMixin.java
+++ b/src/main/java/com/github/nyuppo/mixin/CowVariantsMixin.java
@@ -43,7 +43,7 @@ protected void onReadCustomDataFromNbt(NbtCompound nbt, CallbackInfo ci) {
                 variant = Variants.getVariant(EntityType.COW, MoreMobVariants.id(nbt.getString(MoreMobVariants.NBT_KEY)));
             }
         } else {
-            variant = Variants.getRandomVariant(EntityType.COW, ((CowEntity)(Object)this).getWorld().getRandom(), ((CowEntity)(Object)this).getWorld().getBiome(((CowEntity)(Object)this).getBlockPos()), null, ((CowEntity)(Object)this).getWorld().getMoonSize());
+            variant = Variants.getRandomVariant(EntityType.COW, ((CowEntity)(Object)this).getWorld().getRandom().nextLong(), ((CowEntity)(Object)this).getWorld().getBiome(((CowEntity)(Object)this).getBlockPos()), null, ((CowEntity)(Object)this).getWorld().getMoonSize());
         }
 
         // Update all players in the event that this is from modifying entity data with a command
@@ -62,7 +62,7 @@ protected void onReadCustomDataFromNbt(NbtCompound nbt, CallbackInfo ci) {
 
     @Override
     protected void onInitialize(ServerWorldAccess world, LocalDifficulty difficulty, SpawnReason spawnReason, @Nullable EntityData entityData, @Nullable NbtCompound entityNbt, CallbackInfoReturnable<EntityData> ci) {
-        variant = Variants.getRandomVariant(EntityType.COW, world.getRandom(), world.getBiome(((CowEntity)(Object)this).getBlockPos()), null, world.getMoonSize());
+        variant = Variants.getRandomVariant(EntityType.COW, world.getRandom().nextLong(), world.getBiome(((CowEntity)(Object)this).getBlockPos()), null, world.getMoonSize());
     }
 
     @Inject(
diff --git a/src/main/java/com/github/nyuppo/mixin/PigVariantsMixin.java b/src/main/java/com/github/nyuppo/mixin/PigVariantsMixin.java
index dc6ae82..9434e13 100644
--- a/src/main/java/com/github/nyuppo/mixin/PigVariantsMixin.java
+++ b/src/main/java/com/github/nyuppo/mixin/PigVariantsMixin.java
@@ -49,7 +49,7 @@ protected void onReadCustomDataFromNbt(NbtCompound nbt, CallbackInfo ci) {
                 variant = Variants.getVariant(EntityType.PIG, MoreMobVariants.id(nbt.getString(MoreMobVariants.NBT_KEY)));
             }
         } else {
-            variant = Variants.getRandomVariant(EntityType.PIG, ((PigEntity)(Object)this).getWorld().getRandom(), ((PigEntity)(Object)this).getWorld().getBiome(((PigEntity)(Object)this).getBlockPos()), null, ((PigEntity)(Object)this).getWorld().getMoonSize());
+            variant = Variants.getRandomVariant(EntityType.PIG, ((PigEntity)(Object)this).getWorld().getRandom().nextLong(), ((PigEntity)(Object)this).getWorld().getBiome(((PigEntity)(Object)this).getBlockPos()), null, ((PigEntity)(Object)this).getWorld().getMoonSize());
         }
         isMuddy = nbt.getBoolean(MoreMobVariants.MUDDY_NBT_KEY);
         muddyTimeLeft = nbt.getInt(MoreMobVariants.MUDDY_TIMEOUT_NBT_KEY);
@@ -72,7 +72,7 @@ protected void onReadCustomDataFromNbt(NbtCompound nbt, CallbackInfo ci) {
 
     @Override
     protected void onInitialize(ServerWorldAccess world, LocalDifficulty difficulty, SpawnReason spawnReason, @Nullable EntityData entityData, @Nullable NbtCompound entityNbt, CallbackInfoReturnable<EntityData> ci) {
-        variant = Variants.getRandomVariant(EntityType.PIG, world.getRandom(), world.getBiome(((PigEntity)(Object)this).getBlockPos()), null, world.getMoonSize());
+        variant = Variants.getRandomVariant(EntityType.PIG, world.getRandom().nextLong(), world.getBiome(((PigEntity)(Object)this).getBlockPos()), null, world.getMoonSize());
 
         // 2% chance of pig starting muddy if in swamp
         if (world.getBiome(((PigEntity)(Object)this).getBlockPos()).isIn(BiomeTags.RUINED_PORTAL_SWAMP_HAS_STRUCTURE) && world.getRandom().nextDouble() < 0.02) {
diff --git a/src/main/java/com/github/nyuppo/mixin/SheepVariantsMixin.java b/src/main/java/com/github/nyuppo/mixin/SheepVariantsMixin.java
index 0a8df9e..34081bb 100644
--- a/src/main/java/com/github/nyuppo/mixin/SheepVariantsMixin.java
+++ b/src/main/java/com/github/nyuppo/mixin/SheepVariantsMixin.java
@@ -48,7 +48,7 @@ protected void onReadCustomDataFromNbt(NbtCompound nbt, CallbackInfo ci) {
                 variant = Variants.getVariant(EntityType.SHEEP, MoreMobVariants.id(nbt.getString(MoreMobVariants.NBT_KEY)));
             }
         } else {
-            variant = Variants.getRandomVariant(EntityType.SHEEP, ((SheepEntity)(Object)this).getWorld().getRandom(), ((SheepEntity)(Object)this).getWorld().getBiome(((SheepEntity)(Object)this).getBlockPos()), null, ((SheepEntity)(Object)this).getWorld().getMoonSize());
+            variant = Variants.getRandomVariant(EntityType.SHEEP, ((SheepEntity)(Object)this).getWorld().getRandom().nextLong(), ((SheepEntity)(Object)this).getWorld().getBiome(((SheepEntity)(Object)this).getBlockPos()), null, ((SheepEntity)(Object)this).getWorld().getMoonSize());
         }
         hornColour = nbt.getString(MoreMobVariants.SHEEP_HORN_COLOUR_NBT_KEY);
 
@@ -69,7 +69,7 @@ protected void onReadCustomDataFromNbt(NbtCompound nbt, CallbackInfo ci) {
 
     @Override
     protected void onInitialize(ServerWorldAccess world, LocalDifficulty difficulty, SpawnReason spawnReason, @Nullable EntityData entityData, @Nullable NbtCompound entityNbt, CallbackInfoReturnable<EntityData> ci) {
-        variant = Variants.getRandomVariant(EntityType.SHEEP, world.getRandom(), world.getBiome(((SheepEntity)(Object)this).getBlockPos()), null, world.getMoonSize());
+        variant = Variants.getRandomVariant(EntityType.SHEEP, world.getRandom().nextLong(), world.getBiome(((SheepEntity)(Object)this).getBlockPos()), null, world.getMoonSize());
 
         SheepHornSettings.SheepHornColour colour = SheepHornSettings.getRandomSheepHornColour(world.getRandom(), world.getBiome(((SheepEntity)(Object)this).getBlockPos()));
         if (colour != null) {
diff --git a/src/main/java/com/github/nyuppo/mixin/SkeletonVariantsMixin.java b/src/main/java/com/github/nyuppo/mixin/SkeletonVariantsMixin.java
index 98ec31c..89a88c6 100644
--- a/src/main/java/com/github/nyuppo/mixin/SkeletonVariantsMixin.java
+++ b/src/main/java/com/github/nyuppo/mixin/SkeletonVariantsMixin.java
@@ -41,7 +41,7 @@ protected void onReadCustomDataFromNbt(NbtCompound nbt, CallbackInfo ci) {
                 variant = Variants.getVariant(EntityType.SKELETON, MoreMobVariants.id(nbt.getString(MoreMobVariants.NBT_KEY)));
             }
         } else {
-            variant = Variants.getRandomVariant(EntityType.SKELETON, ((SkeletonEntity)(Object)this).getWorld().getRandom(), ((SkeletonEntity)(Object)this).getWorld().getBiome(((SkeletonEntity)(Object)this).getBlockPos()), null, ((SkeletonEntity)(Object)this).getWorld().getMoonSize());
+            variant = Variants.getRandomVariant(EntityType.SKELETON, ((SkeletonEntity)(Object)this).getWorld().getRandom().nextLong(), ((SkeletonEntity)(Object)this).getWorld().getBiome(((SkeletonEntity)(Object)this).getBlockPos()), null, ((SkeletonEntity)(Object)this).getWorld().getMoonSize());
         }
 
         // Update all players in the event that this is from modifying entity data with a command
@@ -60,6 +60,6 @@ protected void onReadCustomDataFromNbt(NbtCompound nbt, CallbackInfo ci) {
 
     @Override
     protected void onInitialize(ServerWorldAccess world, LocalDifficulty difficulty, SpawnReason spawnReason, @Nullable EntityData entityData, @Nullable NbtCompound entityNbt, CallbackInfoReturnable<EntityData> ci) {
-        variant = Variants.getRandomVariant(EntityType.SKELETON, world.getRandom(), world.getBiome(((SkeletonEntity)(Object)this).getBlockPos()), null, world.getMoonSize());
+        variant = Variants.getRandomVariant(EntityType.SKELETON, world.getRandom().nextLong(), world.getBiome(((SkeletonEntity)(Object)this).getBlockPos()), null, world.getMoonSize());
     }
 }
diff --git a/src/main/java/com/github/nyuppo/mixin/SpiderVariantsMixin.java b/src/main/java/com/github/nyuppo/mixin/SpiderVariantsMixin.java
index f78365f..afa32b7 100644
--- a/src/main/java/com/github/nyuppo/mixin/SpiderVariantsMixin.java
+++ b/src/main/java/com/github/nyuppo/mixin/SpiderVariantsMixin.java
@@ -41,7 +41,7 @@ protected void onReadCustomDataFromNbt(NbtCompound nbt, CallbackInfo ci) {
                 variant = Variants.getVariant(EntityType.SPIDER, MoreMobVariants.id(nbt.getString(MoreMobVariants.NBT_KEY)));
             }
         } else {
-            variant = Variants.getRandomVariant(EntityType.SPIDER, ((SpiderEntity)(Object)this).getWorld().getRandom(), ((SpiderEntity)(Object)this).getWorld().getBiome(((SpiderEntity)(Object)this).getBlockPos()), null, ((SpiderEntity)(Object)this).getWorld().getMoonSize());
+            variant = Variants.getRandomVariant(EntityType.SPIDER, ((SpiderEntity)(Object)this).getWorld().getRandom().nextLong(), ((SpiderEntity)(Object)this).getWorld().getBiome(((SpiderEntity)(Object)this).getBlockPos()), null, ((SpiderEntity)(Object)this).getWorld().getMoonSize());
         }
 
         // Update all players in the event that this is from modifying entity data with a command
@@ -60,6 +60,6 @@ protected void onReadCustomDataFromNbt(NbtCompound nbt, CallbackInfo ci) {
 
     @Override
     protected void onInitialize(ServerWorldAccess world, LocalDifficulty difficulty, SpawnReason spawnReason, @Nullable EntityData entityData, @Nullable NbtCompound entityNbt, CallbackInfoReturnable<EntityData> ci) {
-        variant = Variants.getRandomVariant(EntityType.SPIDER, world.getRandom(), world.getBiome(((SpiderEntity)(Object)this).getBlockPos()), null, world.getMoonSize());
+        variant = Variants.getRandomVariant(EntityType.SPIDER, world.getRandom().nextLong(), world.getBiome(((SpiderEntity)(Object)this).getBlockPos()), null, world.getMoonSize());
     }
 }
diff --git a/src/main/java/com/github/nyuppo/mixin/WolfVariantsMixin.java b/src/main/java/com/github/nyuppo/mixin/WolfVariantsMixin.java
index 39c17a1..6073b0a 100644
--- a/src/main/java/com/github/nyuppo/mixin/WolfVariantsMixin.java
+++ b/src/main/java/com/github/nyuppo/mixin/WolfVariantsMixin.java
@@ -45,7 +45,7 @@ protected void onReadCustomDataFromNbt(NbtCompound nbt, CallbackInfo ci) {
                 variant = Variants.getVariant(EntityType.WOLF, MoreMobVariants.id(nbt.getString(MoreMobVariants.NBT_KEY)));
             }
         } else {
-            variant = Variants.getRandomVariant(EntityType.WOLF, ((WolfEntity)(Object)this).getWorld().getRandom(), ((WolfEntity)(Object)this).getWorld().getBiome(((WolfEntity)(Object)this).getBlockPos()), null, ((WolfEntity)(Object)this).getWorld().getMoonSize());
+            variant = Variants.getRandomVariant(EntityType.WOLF, ((WolfEntity)(Object)this).getWorld().getRandom().nextLong(), ((WolfEntity)(Object)this).getWorld().getBiome(((WolfEntity)(Object)this).getBlockPos()), null, ((WolfEntity)(Object)this).getWorld().getMoonSize());
         }
 
         // Update all players in the event that this is from modifying entity data with a command
@@ -64,7 +64,7 @@ protected void onReadCustomDataFromNbt(NbtCompound nbt, CallbackInfo ci) {
 
     @Override
     protected void onInitialize(ServerWorldAccess world, LocalDifficulty difficulty, SpawnReason spawnReason, @Nullable EntityData entityData, @Nullable NbtCompound entityNbt, CallbackInfoReturnable<EntityData> ci) {
-        variant = Variants.getRandomVariant(EntityType.WOLF, world.getRandom(), world.getBiome(((WolfEntity)(Object)this).getBlockPos()), null, world.getMoonSize());
+        variant = Variants.getRandomVariant(EntityType.WOLF, world.getRandom().nextLong(), world.getBiome(((WolfEntity)(Object)this).getBlockPos()), null, world.getMoonSize());
     }
 
     @Inject(
diff --git a/src/main/java/com/github/nyuppo/mixin/ZombieVariantsMixin.java b/src/main/java/com/github/nyuppo/mixin/ZombieVariantsMixin.java
index 43f7bbd..9694c80 100644
--- a/src/main/java/com/github/nyuppo/mixin/ZombieVariantsMixin.java
+++ b/src/main/java/com/github/nyuppo/mixin/ZombieVariantsMixin.java
@@ -41,7 +41,7 @@ protected void onReadCustomDataFromNbt(NbtCompound nbt, CallbackInfo ci) {
                 variant = Variants.getVariant(EntityType.ZOMBIE, MoreMobVariants.id(nbt.getString(MoreMobVariants.NBT_KEY)));
             }
         } else {
-            variant = Variants.getRandomVariant(EntityType.ZOMBIE, ((ZombieEntity)(Object)this).getWorld().getRandom(), ((ZombieEntity)(Object)this).getWorld().getBiome(((ZombieEntity)(Object)this).getBlockPos()), null, ((ZombieEntity)(Object)this).getWorld().getMoonSize());
+            variant = Variants.getRandomVariant(EntityType.ZOMBIE, ((ZombieEntity)(Object)this).getWorld().getRandom().nextLong(), ((ZombieEntity)(Object)this).getWorld().getBiome(((ZombieEntity)(Object)this).getBlockPos()), null, ((ZombieEntity)(Object)this).getWorld().getMoonSize());
         }
 
         // Update all players in the event that this is from modifying entity data with a command
@@ -60,6 +60,6 @@ protected void onReadCustomDataFromNbt(NbtCompound nbt, CallbackInfo ci) {
 
     @Override
     protected void onInitialize(ServerWorldAccess world, LocalDifficulty difficulty, SpawnReason spawnReason, @Nullable EntityData entityData, @Nullable NbtCompound entityNbt, CallbackInfoReturnable<EntityData> ci) {
-        variant = Variants.getRandomVariant(EntityType.ZOMBIE, world.getRandom(), world.getBiome(((ZombieEntity)(Object)this).getBlockPos()), null, world.getMoonSize());
+        variant = Variants.getRandomVariant(EntityType.ZOMBIE, world.getRandom().nextLong(), world.getBiome(((ZombieEntity)(Object)this).getBlockPos()), null, world.getMoonSize());
     }
 }
diff --git a/src/main/java/com/github/nyuppo/util/VariantBag.java b/src/main/java/com/github/nyuppo/util/VariantBag.java
index 775b9db..d99fb74 100644
--- a/src/main/java/com/github/nyuppo/util/VariantBag.java
+++ b/src/main/java/com/github/nyuppo/util/VariantBag.java
@@ -16,12 +16,10 @@ private class Entry {
 
     private List<Entry> entries = new ArrayList<>();
     private double accumulatedWeight;
-    private final Random random;
     private final EntityType<?> mob;
 
-    public VariantBag(EntityType<?> mob, Random random, List<MobVariant> variants) {
+    public VariantBag(EntityType<?> mob, List<MobVariant> variants) {
         this.mob = mob;
-        this.random = random;
         for (MobVariant variant : variants) {
             addEntry(variant);
         }
@@ -35,7 +33,7 @@ public void addEntry(MobVariant variant) {
         entries.add(e);
     }
 
-    public MobVariant getRandomEntry() {
+    public MobVariant getRandomEntry(Random random) {
         double r = random.nextDouble() * accumulatedWeight;
 
         for (Entry entry : entries) {