Frost Lava Walker

Evidence

Ran on Kiln's test stand (2026-11-04): LavaWalkerMod did not start: java.lang.NoClassDefFoundError: net/fabricmc/fabric/api/event/lifecycle/v1/ServerLifecycleEvents; LavaWalkerClient did not start: java.lang.NoClassDefFoundError: net/minecraft/core/particles/ParticleType.

What it needs from Kiln

• Mixin
• net.fabricmc.api.EnvType
• 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.client.particle.v1.ParticleProviderRegistry
• net.fabricmc.fabric.api.client.particle.v1.ParticleProviderRegistry.PendingParticleProvider
• net.fabricmc.fabric.api.event.lifecycle.v1.ServerLifecycleEvents
• net.fabricmc.fabric.api.event.lifecycle.v1.ServerLifecycleEvents.EndDataPackReload
• net.fabricmc.fabric.api.event.lifecycle.v1.ServerLifecycleEvents.ServerStarted
• net.fabricmc.fabric.api.event.lifecycle.v1.ServerTickEvents
• net.fabricmc.fabric.api.event.lifecycle.v1.ServerTickEvents.EndTick
• net.fabricmc.fabric.api.event.player.PlayerBlockBreakEvents
• net.fabricmc.fabric.api.event.player.PlayerBlockBreakEvents.After
• net.fabricmc.fabric.api.networking.v1.PayloadTypeRegistry
• net.fabricmc.fabric.api.networking.v1.ServerPlayNetworking
• net.fabricmc.fabric.api.particle.v1.FabricParticleTypes
• net.minecraft.client.particle.ParticleProvider
• net.minecraft.client.particle.SingleQuadParticle
• net.minecraft.client.particle.SingleQuadParticle.Layer
• net.minecraft.client.particle.SpriteSet
• net.minecraft.core.RegistryAccess
• net.minecraft.core.particles.BlockParticleOption
• net.minecraft.core.particles.ParticleTypes
• net.minecraft.core.particles.SimpleParticleType
• net.minecraft.network.RegistryFriendlyByteBuf
• net.minecraft.network.codec.StreamCodec
• net.minecraft.network.protocol.common.custom.CustomPacketPayload
• net.minecraft.network.protocol.common.custom.CustomPacketPayload.Type
• net.minecraft.network.protocol.common.custom.CustomPacketPayload.TypeAndCodec
• net.minecraft.server.MinecraftServer
• net.minecraft.world.entity.item.ItemEntity
• net.minecraft.world.item.enchantment.EnchantmentHelper
• net.minecraft.world.item.enchantment.Enchantments
• net.minecraft.world.level.material.FluidState
• net.minecraft.world.level.material.Fluids
• net.minecraft.world.phys.AABB
• net.minecraft.core.particles.ParticleType
• FabricLoader.getEnvironmentType()
• Minecraft.execute()
• ClientLevel.addParticle()
• and 32 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

Allows to walk on Lava with Frost Walker and adds particles & sound effects!

Scan

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