Void Warden - Soul Harbinger

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

Evidence

Ran on Kiln's test stand (2026-11-04): VoidWardenMod did not start: java.lang.NoClassDefFoundError: net/minecraft/world/item/component/ItemAttributeModifiers.

What it needs from Kiln

Mixin
net.fabricmc.fabric.api.event.player.AttackEntityCallback
net.minecraft.core.component.DataComponents
net.minecraft.core.particles.ParticleTypes
net.minecraft.nbt.CompoundTag
net.minecraft.network.protocol.game.ClientboundSetEntityMotionPacket
net.minecraft.server.MinecraftServer
net.minecraft.server.players.PlayerList
net.minecraft.world.effect.MobEffectInstance
net.minecraft.world.effect.MobEffects
net.minecraft.world.entity.EntityType
net.minecraft.world.entity.EquipmentSlotGroup
net.minecraft.world.entity.ai.attributes.AttributeModifier
net.minecraft.world.entity.ai.attributes.AttributeModifier.Operation
net.minecraft.world.item.Item.TooltipContext
net.minecraft.world.item.component.CustomData
net.minecraft.world.item.component.ItemAttributeModifiers
net.minecraft.world.item.component.ItemAttributeModifiers.Builder
net.minecraft.world.phys.EntityHitResult
ServerLevel.getServer()
ServerLevel.sendParticles()
ServerPlayer.getDeltaMovement()
ServerPlayer.onGround()
SoundEvents.WITHER_HURT
LivingEntity.addEffect()
LivingEntity.getDeltaMovement()
LivingEntity.getType()
LivingEntity.kill()
LivingEntity.position()
LivingEntity.setDeltaMovement()
Item.Properties.attributes()
ItemStack.get()
ItemStack.has()
ItemStack.set()

On the roadmap: Code next to data (0.3), Mixin (0.5)

In the author's words

Void Warden adds a single, handcrafted weapon the Soul Harbinger — a void-infused mace with a unique two-stage combat mechanic that rewards aggressive, aerial playstyle

Scan

Scanned on 4 November 2026 against Kiln 0.2.0, file Void Warden 1.0.0-26.3.jar. The scan reads the mod's classes; it does not run them.

Reports from players

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