Lifesteal

Evidence

Ran on Kiln's test stand (2026-11-04) without the mods it depends on: it stopped at com.electronwill.nightconfig.core.UnmodifiableConfig, a class from another mod or library the stand did not have.

What it needs from Kiln

• an access widener
• Mixin
• com.mojang.authlib.GameProfile
• net.fabricmc.fabric.api.biome.v1.BiomeModification
• net.fabricmc.fabric.api.biome.v1.BiomeModificationContext
• net.fabricmc.fabric.api.biome.v1.BiomeModificationContext.GenerationSettingsContext
• net.fabricmc.fabric.api.biome.v1.BiomeModifications
• net.fabricmc.fabric.api.biome.v1.BiomeSelectors
• net.fabricmc.fabric.api.biome.v1.ModificationPhase
• net.fabricmc.fabric.api.client.networking.v1.ClientPlayNetworking
• net.fabricmc.fabric.api.client.networking.v1.ClientPlayNetworking.Context
• net.fabricmc.fabric.api.client.networking.v1.ClientPlayNetworking.PlayPayloadHandler
• net.fabricmc.fabric.api.command.v2.CommandRegistrationCallback
• net.fabricmc.fabric.api.networking.v1.PayloadTypeRegistry
• net.fabricmc.fabric.api.networking.v1.ServerPlayNetworking
• net.fabricmc.fabric.api.networking.v1.ServerPlayNetworking.Context
• net.fabricmc.fabric.api.networking.v1.ServerPlayNetworking.PlayPayloadHandler
• net.minecraft.advancements.Advancement
• net.minecraft.advancements.Advancement.Builder
• net.minecraft.advancements.triggers.CriteriaTriggers
• net.minecraft.advancements.triggers.SimpleCriterionTrigger
• net.minecraft.advancements.triggers.SimpleCriterionTrigger.SimpleInstance
• net.minecraft.commands.CommandSourceStack
• net.minecraft.commands.Commands
• net.minecraft.commands.Commands.CommandSelection
• net.minecraft.commands.SharedSuggestionProvider
• net.minecraft.commands.arguments.GameProfileArgument
• net.minecraft.commands.arguments.coordinates.Vec3Argument
• net.minecraft.core.component.DataComponentMap
• net.minecraft.core.component.DataComponentMap.Builder
• net.minecraft.core.component.DataComponentType
• net.minecraft.core.component.DataComponentType.Builder
• net.minecraft.core.component.DataComponents
• net.minecraft.core.component.PatchedDataComponentMap
• net.minecraft.nbt.CompoundTag
• net.minecraft.nbt.DoubleTag
• net.minecraft.nbt.ListTag
• net.minecraft.nbt.NbtAccounter
• net.minecraft.nbt.NbtIo
• net.minecraft.nbt.NbtUtils
• net.minecraft.network.codec.ByteBufCodecs
• net.minecraft.network.codec.StreamCodec
• and 70 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

A mod where killing other players steals their hearts.

Scan

Scanned on 4 November 2026 against Kiln 0.2.0, file lifesteal-fabric-10.1.0-26.3.jar. The scan reads the mod's classes; it does not run them.