Unique Wardens

Evidence

Ran on Kiln's test stand (2026-11-04): UniqueWardens did not start: java.lang.NoSuchFieldError: Class net.minecraft.core.registries.BuiltInRegistries does not have member field 'net.minecraft.core.Registry PARTICLE_TYPE'; UniqueWardensClient did not start: java.lang.NoClassDefFoundError: net/minecraft/core/particles/ParticleType.

What it needs from Kiln

• an access widener
• Mixin
• net.fabricmc.fabric.api.client.particle.v1.ParticleProviderRegistry
• net.fabricmc.fabric.api.client.particle.v1.ParticleProviderRegistry.PendingParticleProvider
• net.fabricmc.fabric.api.entity.event.v1.ServerLivingEntityEvents
• net.fabricmc.fabric.api.entity.event.v1.ServerLivingEntityEvents.AfterDeath
• net.fabricmc.fabric.api.event.lifecycle.v1.ServerTickEvents
• net.fabricmc.fabric.api.event.lifecycle.v1.ServerTickEvents.EndTick
• net.fabricmc.fabric.api.particle.v1.FabricParticleTypes
• net.minecraft.client.particle.FlameParticle
• net.minecraft.client.particle.ParticleProvider
• net.minecraft.client.particle.SpriteSet
• net.minecraft.core.BlockPos.MutableBlockPos
• net.minecraft.core.RegistryAccess
• net.minecraft.core.particles.ParticleTypes
• net.minecraft.core.particles.SimpleParticleType
• net.minecraft.tags.BlockTags
• net.minecraft.util.SpawnUtil
• net.minecraft.util.SpawnUtil.Strategy
• net.minecraft.world.effect.MobEffectInstance
• net.minecraft.world.effect.MobEffects
• net.minecraft.world.entity.Entity.RemovalReason
• net.minecraft.world.entity.EntitySpawnReason
• net.minecraft.world.entity.EntityTypes
• net.minecraft.world.entity.monster.warden.Warden
• net.minecraft.world.level.StructureManager
• net.minecraft.world.level.levelgen.structure.BoundingBox
• net.minecraft.world.level.levelgen.structure.BuiltinStructures
• net.minecraft.world.level.levelgen.structure.Structure
• net.minecraft.world.level.levelgen.structure.StructureStart
• net.minecraft.world.phys.AABB
• net.minecraft.core.particles.ParticleType
• BlockPos.offset()
• BlockPos.subtract()
• Registry.getOrThrow()
• BuiltInRegistries.PARTICLE_TYPE
• Registries.STRUCTURE
• ServerLevel.destroyBlock()
• ServerLevel.getEntitiesOfClass()
• ServerLevel.registryAccess()
• ServerLevel.sendParticles()
• ServerLevel.structureManager()
• and 20 more

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

This mod aims to make the Warden more rewarding to fight by limiting Ancient cities to one Warden and making its defeat permanent. To fight it again, it can be summoned.

Scan

Scanned on 4 November 2026 against Kiln 0.2.0, file uniquewardens-fabric-26.3-0.1.0.jar. The scan reads the mod's classes; it does not run them.