Edit Limbo monolith spawn rate and add new limbo ash particle effect.

src/main/java/org/dimdev/dimdoors/particle/ModParticleTypes.java

@@ -1,5 +1,6 @@
 package org.dimdev.dimdoors.particle;
 
+import org.dimdev.dimdoors.particle.client.LimboAshParticle;
 import org.dimdev.dimdoors.particle.client.MonolithParticle;
 import org.dimdev.dimdoors.particle.client.RiftParticle;
 import org.dimdev.dimdoors.particle.client.RiftParticleEffect;
@@ -17,15 +18,18 @@ import net.fabricmc.fabric.api.particle.v1.FabricParticleTypes;
 public class ModParticleTypes {
 	public static final DefaultParticleType MONOLITH = FabricParticleTypes.simple(true);
 	public static final ParticleType<RiftParticleEffect> RIFT = new RiftParticleType();
+	public static final DefaultParticleType LIMBO_ASH = FabricParticleTypes.simple(false);
 
 	public static void init() {
 		Registry.register(Registry.PARTICLE_TYPE, new Identifier("dimdoors", "monolith"), MONOLITH);
 		Registry.register(Registry.PARTICLE_TYPE, new Identifier("dimdoors", "rift"), RIFT);
+		Registry.register(Registry.PARTICLE_TYPE, new Identifier("dimdoors", "limbo_ash"), LIMBO_ASH);
 	}
 
 	@Environment(EnvType.CLIENT)
 	public static void initClient() {
 		ParticleFactoryRegistry.getInstance().register(MONOLITH, new MonolithParticle.Factory());
 		ParticleFactoryRegistry.getInstance().register(RIFT, RiftParticle.Factory::new);
+		ParticleFactoryRegistry.getInstance().register(LIMBO_ASH, LimboAshParticle.Factory::new);
 	}
 }

src/main/java/org/dimdev/dimdoors/particle/client/LimboAshParticle.java

@@ -0,0 +1,37 @@
+package org.dimdev.dimdoors.particle.client;
+
+import net.fabricmc.api.EnvType;
+import net.fabricmc.api.Environment;
+import net.minecraft.client.particle.*;
+import net.minecraft.client.world.ClientWorld;
+import net.minecraft.particle.DefaultParticleType;
+
+import java.util.Random;
+
+@Environment(EnvType.CLIENT)
+public class LimboAshParticle extends AscendingParticle {
+
+	protected LimboAshParticle(ClientWorld world, double x, double y, double z, double velocityX, double velocityY, double velocityZ, float scaleMultiplier, SpriteProvider spriteProvider) {
+		super(world, x, y, z, 0.1F, 0.1F, 0.01F, velocityX, velocityY, velocityZ, scaleMultiplier, spriteProvider, 0.0F, 20, 0.0125F, false);
+		this.colorRed = 0.167F;
+		this.colorGreen = 0.141F;
+		this.colorBlue = 0.192F;
+	}
+
+	@Environment(EnvType.CLIENT)
+	public static class Factory implements ParticleFactory<DefaultParticleType> {
+		private final SpriteProvider spriteProvider;
+
+		public Factory(SpriteProvider spriteProvider) {
+			this.spriteProvider = spriteProvider;
+		}
+
+		public Particle createParticle(DefaultParticleType defaultParticleType, ClientWorld clientWorld, double d, double e, double f, double g, double h, double i) {
+			Random random = clientWorld.random;
+			double j = (double)random.nextFloat() * 0.4D * (double)random.nextFloat() * 0.1D;
+			double k = (double)random.nextFloat() * 0.8D * (double)random.nextFloat() * 0.1D;// * 5.0D;
+			double l = (double)random.nextFloat() * 0.4D * (double)random.nextFloat() * 0.1D;
+			return new LimboAshParticle(clientWorld, d, e, f, j, k, l, 1.0F, this.spriteProvider);
+		}
+	}
+}

src/main/java/org/dimdev/dimdoors/world/ModBiomes.java

@@ -1,9 +1,11 @@
 package org.dimdev.dimdoors.world;
 
+import net.minecraft.particle.ParticleTypes;
 import net.minecraft.world.biome.*;
 import org.dimdev.dimdoors.block.ModBlocks;
 import org.dimdev.dimdoors.entity.ModEntityTypes;
 import org.dimdev.dimdoors.mixin.accessor.BuiltinBiomesAccessor;
+import org.dimdev.dimdoors.particle.ModParticleTypes;
 import org.dimdev.dimdoors.particle.client.RiftParticleEffect;
 import org.dimdev.dimdoors.sound.ModSoundEvents;
 import org.dimdev.dimdoors.world.feature.ModFeatures;
@@ -96,7 +98,7 @@ public final class ModBiomes {
 						.music(new MusicSound(ModSoundEvents.CREEPY, 0, 0, true))
                         .skyColor(0x404040)
                         .grassColor(0)
-						.particleConfig(new BiomeParticleConfig(new RiftParticleEffect(0.2f, 2000), 0.003F))
+						.particleConfig(new BiomeParticleConfig(ModParticleTypes.LIMBO_ASH, 0.118093334F))
                         .build()
 				)
                 .generationSettings(new GenerationSettings.Builder()
@@ -128,7 +130,7 @@ public final class ModBiomes {
 								SpawnGroup.MONSTER,
 								new SpawnSettings.SpawnEntry(
 										ModEntityTypes.MONOLITH,
-										1,
+										100,
 										1,
 										1
 								)

src/main/resources/assets/dimdoors/particles/limbo_ash.json

@@ -0,0 +1,5 @@
+{
+  "textures": [
+    "minecraft:generic_0"
+  ]
+}