diff --git a/buildSrc/src/main/kotlin/Versions.kt b/buildSrc/src/main/kotlin/Versions.kt
index 2f8a20b545..ae15639cfb 100644
--- a/buildSrc/src/main/kotlin/Versions.kt
+++ b/buildSrc/src/main/kotlin/Versions.kt
@@ -96,6 +96,6 @@ object Versions {
     }
     
     object Minestom {
-        const val minestom = "2025.10.31-1.21.10"
+        const val minestom = "2025.12.20c-1.21.11"
     }
 }
diff --git a/platforms/minestom/src/main/java/com/dfsek/terra/minestom/TerraMinestomPlatform.java b/platforms/minestom/src/main/java/com/dfsek/terra/minestom/TerraMinestomPlatform.java
index 810426f830..ba5d6bb66a 100644
--- a/platforms/minestom/src/main/java/com/dfsek/terra/minestom/TerraMinestomPlatform.java
+++ b/platforms/minestom/src/main/java/com/dfsek/terra/minestom/TerraMinestomPlatform.java
@@ -7,6 +7,8 @@
 import net.minestom.server.MinecraftServer;
 import net.minestom.server.instance.Instance;
 import net.minestom.server.sound.SoundEvent;
+import net.minestom.server.world.attribute.AmbientParticle;
+import net.minestom.server.world.attribute.AmbientSounds;
 import net.minestom.server.world.biome.BiomeEffects;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
@@ -82,9 +84,9 @@ public void register(TypeRegistry registry) {
                 (TypeLoader<EntityType>) (annotatedType, o, configLoader, depthTracker) -> new MinestomEntityType((String) o))
             .registerLoader(BlockState.class,
                 (TypeLoader<BlockState>) (annotatedType, o, configLoader, depthTracker) -> worldHandle.createBlockState((String) o))
-            .registerLoader(BiomeEffects.Particle.class, BiomeParticleConfigTemplate::new)
-            .registerLoader(BiomeEffects.MoodSound.class, BiomeMoodSoundTemplate::new)
-            .registerLoader(BiomeEffects.AdditionsSound.class, BiomeAdditionsSoundTemplate::new)
+            .registerLoader(AmbientParticle.class, BiomeParticleConfigTemplate::new)
+            .registerLoader(AmbientSounds.Mood.class, BiomeMoodSoundTemplate::new)
+            .registerLoader(AmbientSounds.Additions.class, BiomeAdditionsSoundTemplate::new)
             .registerLoader(SoundEvent.class, SoundEventTemplate::new);
     }
 
diff --git a/platforms/minestom/src/main/java/com/dfsek/terra/minestom/biome/MinestomUserDefinedBiomeFactory.java b/platforms/minestom/src/main/java/com/dfsek/terra/minestom/biome/MinestomUserDefinedBiomeFactory.java
index 644350d494..29ea5b117f 100644
--- a/platforms/minestom/src/main/java/com/dfsek/terra/minestom/biome/MinestomUserDefinedBiomeFactory.java
+++ b/platforms/minestom/src/main/java/com/dfsek/terra/minestom/biome/MinestomUserDefinedBiomeFactory.java
@@ -5,6 +5,7 @@
 import net.minestom.server.color.Color;
 import net.minestom.server.registry.DynamicRegistry;
 import net.minestom.server.registry.RegistryKey;
+import net.minestom.server.world.attribute.EnvironmentAttribute;
 import net.minestom.server.world.biome.Biome;
 import net.minestom.server.world.biome.BiomeEffects;
 import org.intellij.lang.annotations.Subst;
@@ -27,6 +28,11 @@ private static <T> T mergeNullable(T first, T second) {
         return first;
     }
 
+    private static <T> void applyAttributeIfNotNull(Biome.Builder biomeBuilder, EnvironmentAttribute<T> attribute, T value) {
+        if (value == null) return;
+        biomeBuilder.setAttribute(attribute, value);
+    }
+
     @Subst("value")
     protected static String createBiomeID(ConfigPack pack, String biomeId) {
         return pack.getID().toLowerCase() + "/" + biomeId.toLowerCase(Locale.ROOT);
@@ -41,32 +47,25 @@ public UserDefinedBiome create(ConfigPack pack, com.dfsek.terra.api.world.biome.
         Key key = Key.key("terra", createBiomeID(pack, source.getID()));
 
         BiomeEffects.Builder effectsBuilder = BiomeEffects.builder()
-            .fogColor(mergeNullable(properties.getFogColor(), parentEffects.fogColor()))
-            .skyColor(mergeNullable(properties.getSkyColor(), parentEffects.skyColor()))
             .waterColor(mergeNullable(properties.getWaterColor(), parentEffects.waterColor()))
-            .waterFogColor(mergeNullable(properties.getWaterFogColor(), parentEffects.waterFogColor()))
             .foliageColor(mergeNullable(properties.getFoliageColor(), parentEffects.foliageColor()))
             .grassColor(mergeNullable(properties.getGrassColor(), parentEffects.grassColor()))
-            .grassColorModifier(mergeNullable(properties.getGrassColorModifier(), parentEffects.grassColorModifier()))
-            .biomeParticle(mergeNullable(properties.getParticleConfig(), parentEffects.biomeParticle()))
-            .ambientSound(mergeNullable(properties.getLoopSound(), parentEffects.ambientSound()))
-            .moodSound(mergeNullable(properties.getMoodSound(), parentEffects.moodSound()))
-            .additionsSound(mergeNullable(properties.getAdditionsSound(), parentEffects.additionsSound()))
-            // TODO music
-            .music(parentEffects.music())
-            .musicVolume(parentEffects.musicVolume());
-
-        if(effectsBuilder.build().equals(BiomeEffects.PLAINS_EFFECTS)) {
-            effectsBuilder.fogColor(new Color(0xC0D8FE)); // circumvent a minestom bug
-        }
+            .grassColorModifier(mergeNullable(properties.getGrassColorModifier(), parentEffects.grassColorModifier()));
 
-        Biome target = Biome.builder()
+        Biome.Builder targetBuilder = Biome.builder()
             .downfall(mergeNullable(properties.getDownfall(), parent.downfall()))
-            .hasPrecipitation(mergeNullable(properties.getPrecipitation(), parent.hasPrecipitation()))
+            .precipitation(mergeNullable(properties.getPrecipitation(), parent.hasPrecipitation()))
             .temperature(mergeNullable(properties.getTemperature(), parent.temperature()))
-            .temperatureModifier(mergeNullable(properties.getTemperatureModifier(), parent.temperatureModifier()))
-            .effects(effectsBuilder.build())
-            .build();
+            .effects(effectsBuilder.build());
+
+        applyAttributeIfNotNull(targetBuilder, EnvironmentAttribute.FOG_COLOR, properties.getFogColor());
+        applyAttributeIfNotNull(targetBuilder, EnvironmentAttribute.SKY_COLOR, properties.getSkyColor());
+        applyAttributeIfNotNull(targetBuilder, EnvironmentAttribute.WATER_FOG_COLOR, properties.getWaterFogColor());
+        applyAttributeIfNotNull(targetBuilder, EnvironmentAttribute.AMBIENT_PARTICLES, properties.getParticleConfig());
+        applyAttributeIfNotNull(targetBuilder, EnvironmentAttribute.AMBIENT_SOUNDS, properties.getAmbientSoundConfig());
+        // TODO music
+
+        Biome target = targetBuilder.build();
 
         RegistryKey<Biome> registryKey = MinecraftServer.getBiomeRegistry().register(key, target);
         return new UserDefinedBiome(key, registryKey, source.getID(), target);
diff --git a/platforms/minestom/src/main/java/com/dfsek/terra/minestom/config/BiomeAdditionsSoundTemplate.java b/platforms/minestom/src/main/java/com/dfsek/terra/minestom/config/BiomeAdditionsSoundTemplate.java
index 85e4499fc5..c5686688aa 100644
--- a/platforms/minestom/src/main/java/com/dfsek/terra/minestom/config/BiomeAdditionsSoundTemplate.java
+++ b/platforms/minestom/src/main/java/com/dfsek/terra/minestom/config/BiomeAdditionsSoundTemplate.java
@@ -4,10 +4,11 @@
 import com.dfsek.tectonic.api.config.template.annotations.Value;
 import com.dfsek.tectonic.api.config.template.object.ObjectTemplate;
 import net.minestom.server.sound.SoundEvent;
+import net.minestom.server.world.attribute.AmbientSounds;
 import net.minestom.server.world.biome.BiomeEffects;
 
 
-public class BiomeAdditionsSoundTemplate implements ObjectTemplate<BiomeEffects.AdditionsSound> {
+public class BiomeAdditionsSoundTemplate implements ObjectTemplate<AmbientSounds.Additions> {
     @Value("sound")
     @Default
     private SoundEvent sound = null;
@@ -17,8 +18,8 @@ public class BiomeAdditionsSoundTemplate implements ObjectTemplate<BiomeEffects.
     private Double soundChance = null;
 
     @Override
-    public BiomeEffects.AdditionsSound get() {
+    public AmbientSounds.Additions get() {
         if(sound == null) return null;
-        return new BiomeEffects.AdditionsSound(sound, soundChance);
+        return new AmbientSounds.Additions(sound, soundChance);
     }
 }
diff --git a/platforms/minestom/src/main/java/com/dfsek/terra/minestom/config/BiomeMoodSoundTemplate.java b/platforms/minestom/src/main/java/com/dfsek/terra/minestom/config/BiomeMoodSoundTemplate.java
index a3b7bb3c83..4dfa0fe1b3 100644
--- a/platforms/minestom/src/main/java/com/dfsek/terra/minestom/config/BiomeMoodSoundTemplate.java
+++ b/platforms/minestom/src/main/java/com/dfsek/terra/minestom/config/BiomeMoodSoundTemplate.java
@@ -4,10 +4,11 @@
 import com.dfsek.tectonic.api.config.template.annotations.Value;
 import com.dfsek.tectonic.api.config.template.object.ObjectTemplate;
 import net.minestom.server.sound.SoundEvent;
+import net.minestom.server.world.attribute.AmbientSounds;
 import net.minestom.server.world.biome.BiomeEffects;
 
 
-public class BiomeMoodSoundTemplate implements ObjectTemplate<BiomeEffects.MoodSound> {
+public class BiomeMoodSoundTemplate implements ObjectTemplate<AmbientSounds.Mood> {
     @Value("sound")
     @Default
     private SoundEvent sound = null;
@@ -25,9 +26,9 @@ public class BiomeMoodSoundTemplate implements ObjectTemplate<BiomeEffects.MoodS
     private Double soundExtraDistance = null;
 
     @Override
-    public BiomeEffects.MoodSound get() {
+    public AmbientSounds.Mood get() {
         if(sound == null) return null;
-        return new BiomeEffects.MoodSound(
+        return new AmbientSounds.Mood(
             sound,
             soundCultivationTicks,
             soundSpawnRange,
diff --git a/platforms/minestom/src/main/java/com/dfsek/terra/minestom/config/BiomeParticleConfigTemplate.java b/platforms/minestom/src/main/java/com/dfsek/terra/minestom/config/BiomeParticleConfigTemplate.java
index 91fd6cf4a4..24acb99e90 100644
--- a/platforms/minestom/src/main/java/com/dfsek/terra/minestom/config/BiomeParticleConfigTemplate.java
+++ b/platforms/minestom/src/main/java/com/dfsek/terra/minestom/config/BiomeParticleConfigTemplate.java
@@ -4,11 +4,12 @@
 import com.dfsek.tectonic.api.config.template.annotations.Value;
 import com.dfsek.tectonic.api.config.template.object.ObjectTemplate;
 import net.minestom.server.particle.Particle;
+import net.minestom.server.world.attribute.AmbientParticle;
 import net.minestom.server.world.biome.BiomeEffects;
 import org.slf4j.LoggerFactory;
 
 
-public class BiomeParticleConfigTemplate implements ObjectTemplate<BiomeEffects.Particle> {
+public class BiomeParticleConfigTemplate implements ObjectTemplate<AmbientParticle> {
     @Value("particle")
     @Default
     private String particle = null;
@@ -18,7 +19,7 @@ public class BiomeParticleConfigTemplate implements ObjectTemplate<BiomeEffects.
     private Float probability = null;
 
     @Override
-    public BiomeEffects.Particle get() {
+    public AmbientParticle get() {
         if(particle == null || probability == null) {
             return null;
         }
@@ -31,9 +32,9 @@ public BiomeEffects.Particle get() {
             return null;
         }
 
-        return new BiomeEffects.Particle(
-            probability,
-            parsedParticle
+        return new AmbientParticle(
+            parsedParticle,
+            probability
         );
     }
 }
diff --git a/platforms/minestom/src/main/java/com/dfsek/terra/minestom/config/VanillaBiomeProperties.java b/platforms/minestom/src/main/java/com/dfsek/terra/minestom/config/VanillaBiomeProperties.java
index 14b91b5c1e..7ba4ba47ec 100644
--- a/platforms/minestom/src/main/java/com/dfsek/terra/minestom/config/VanillaBiomeProperties.java
+++ b/platforms/minestom/src/main/java/com/dfsek/terra/minestom/config/VanillaBiomeProperties.java
@@ -5,12 +5,16 @@
 import com.dfsek.tectonic.api.config.template.annotations.Value;
 import net.kyori.adventure.util.RGBLike;
 import net.minestom.server.sound.SoundEvent;
+import net.minestom.server.world.attribute.AmbientParticle;
+import net.minestom.server.world.attribute.AmbientSounds;
 import net.minestom.server.world.biome.Biome.TemperatureModifier;
 import net.minestom.server.world.biome.BiomeEffects;
 import net.minestom.server.world.biome.BiomeEffects.GrassColorModifier;
 
 import com.dfsek.terra.api.properties.Properties;
 
+import java.util.List;
+
 
 public class VanillaBiomeProperties implements ConfigTemplate, Properties {
     @Value("colors.grass")
@@ -43,7 +47,7 @@ public class VanillaBiomeProperties implements ConfigTemplate, Properties {
 
     @Value("particles")
     @Default
-    private BiomeEffects.Particle particleConfig = null;
+    private AmbientParticle particleConfig = null;
 
     @Value("climate.precipitation")
     @Default
@@ -67,11 +71,11 @@ public class VanillaBiomeProperties implements ConfigTemplate, Properties {
 
     @Value("sound.mood-sound")
     @Default
-    private BiomeEffects.MoodSound moodSound = null;
+    private AmbientSounds.Mood moodSound = null;
 
     @Value("sound.additions-sound")
     @Default
-    private BiomeEffects.AdditionsSound additionsSound = null;
+    private AmbientSounds.Additions additionsSound = null;
 
     //    @Value("sound.music")
     //    @Default
@@ -105,8 +109,9 @@ public GrassColorModifier getGrassColorModifier() {
         return grassColorModifier;
     }
 
-    public BiomeEffects.Particle getParticleConfig() {
-        return particleConfig;
+    public List<AmbientParticle> getParticleConfig() {
+        if (particleConfig == null) return null;
+        return List.of(particleConfig);
     }
 
     public Boolean getPrecipitation() {
@@ -125,15 +130,12 @@ public Float getDownfall() {
         return downfall;
     }
 
-    public SoundEvent getLoopSound() {
-        return loopSound;
-    }
-
-    public BiomeEffects.MoodSound getMoodSound() {
-        return moodSound;
-    }
-
-    public BiomeEffects.AdditionsSound getAdditionsSound() {
-        return additionsSound;
+    public AmbientSounds getAmbientSoundConfig() {
+        List<AmbientSounds.Additions> additions = additionsSound == null ? List.of() : List.of(additionsSound);
+        return new AmbientSounds(
+            loopSound,
+            moodSound,
+            additions
+        );
     }
 }