Simple Mob Buff System

Calls something that is on Kiln's roadmap. Parts of it may already run.

Evidence

Ran on Kiln's test stand (2026-11-04) without the mods it depends on: it stopped at kotlin.jvm.internal.Intrinsics, a class from another mod or library the stand did not have.

What it needs from Kiln

an access widener
Mixin
net.fabricmc.fabric.api.attachment.v1.AttachmentRegistry
net.fabricmc.fabric.api.attachment.v1.AttachmentRegistry.Builder
net.fabricmc.fabric.api.attachment.v1.AttachmentSyncPredicate
net.fabricmc.fabric.api.client.event.lifecycle.v1.ClientLevelEvents
net.fabricmc.fabric.api.client.event.lifecycle.v1.ClientLevelEvents.AfterClientLevelChange
net.fabricmc.fabric.api.event.lifecycle.v1.ServerLevelEvents
net.fabricmc.fabric.api.event.lifecycle.v1.ServerLevelEvents.Load
net.minecraft.core.RegistryAccess
net.minecraft.network.codec.ByteBufCodecs
net.minecraft.tags.TagKey
net.minecraft.world.effect.MobEffect
net.minecraft.world.effect.MobEffectCategory
net.minecraft.world.entity.ai.attributes.AttributeModifier
net.minecraft.world.entity.ai.attributes.AttributeModifier.Operation
FabricLoader.isDevelopmentEnvironment()
FabricLoader.isModLoaded()
Registry.listTagIds()
BuiltInRegistries.ENTITY_TYPE
BuiltInRegistries.MOB_EFFECT
Component.translatableWithFallback()
Entity.getAttachedOrSet()
Entity.setAttached()
Attributes.FOLLOW_RANGE
LevelAccessor.registryAccess()

On the roadmap: Minecraft's libraries and client API (0.2), Code next to data (0.3), Mixin (0.5)

In the author's words

Makes mobs rarely spawn with buffs and drop rewards based on how strong they are

Scan

Scanned on 4 November 2026 against Kiln 0.2.0, file smbs-fabric-1.1.2+26.3.jar. The scan reads the mod's classes; it does not run them.

Reports from players

No reports from players yet.

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