Lavacastling

Lavacastling

Lavacast good looking bases! Tweaks cobble generators and adds a vanilla friendly chisel mechanic for pickaxes.

by
83 Downloads
fabricgame-mechanics
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Screenshots

Lavacastling

About this Mod

Doesn't lavacasting seem like a cool mechanic? Pour water over lava in a certain way, and you can easily make a megabase! If only it didn't generate ugly cobblestone...

What this mod does

  • Changes lavacasting/cobblestone generators to instead generate stone and gradually blend into deepslate below y=0.
  • Adds a vanilla friendly right click function to pickaxes which "chisels" stone by cycling through a list of blocks. (now instead of accidentally stripping logs, you can accidentally chisel stone!)

Both the cobblestone generator and chiseling are fully configurable in the mod's config file (.minecraft/config/lavacastling.json).
For multiplayer, this mod is only needed server-side.

default lavacasting blocks transitioning from stone to deepslate

By default, lavacasting generates stone above y=8 and blends into deepslate at y=0

default blocks that chiseling cycles through (stone, blackstone, deepslate variants)

Default blocks that chiseling cycles through (stone, blackstone, deepslate variants)

The default config file.

{
  "gen_blocks": [
    {
      "mode": "blend",
      "id": "minecraft:deepslate",
      "id2": "minecraft:stone",
      "minY": 0,
      "maxY": 8
    },
    {
      "mode": "solid",
      "id": "minecraft:stone",
      "minY": 8,
      "maxY": 1000
    },
    {
      "id": "minecraft:deepslate",
      "minY": -1000,
      "maxY": 0
    }
  ],
  "chisel_blocks": [
    ["minecraft:stone","minecraft:stone_bricks","minecraft:chiseled_stone_bricks"],
    ["minecraft:blackstone","minecraft:polished_blackstone","minecraft:polished_blackstone_bricks","minecraft:chiseled_polished_blackstone"],
    ["minecraft:deepslate","minecraft:polished_deepslate","minecraft:deepslate_bricks","minecraft:deepslate_tiles","minecraft:chiseled_deepslate"]
  ]
}

Technical stuff

  • Stone and basalt generators are unchanged, though they may still conflict with other stone generator mods due to being in the same method.

Available Versions

Lavacastling v0.3.1beta
MC 1.21.5fabric
July 24, 2025

How to Install Lavacastling on Your Server

1

Order Server

Order a Minecraft Java server with at least 3 GB RAM (4 GB recommended).

2

Set fabric Loader

In the panel under "Egg", select the fabric loader and matching Minecraft version (1.21.5).

3

Install Mod

Open the mod browser in the dashboard and search for "Lavacastling". Click "Install" – done! Alternatively, upload the .jar via SFTP to the /mods folder.

Compatibility

Mod Loaders

fabric

Minecraft Versions

1.21.5

Server-side

Required

Recommended RAM

4 GB(min. 3 GB)

Frequently Asked Questions

Lavacastling server crashes on startup – what to do?

Most common cause: wrong fabric version or insufficient RAM. Check the server log (latest.log) for "OutOfMemoryError" or "Mixin" errors. With Mado Hosting: ensure at least 3 GB RAM is allocated and the loader matches the mod version (1.21.5). You can switch loaders with one click in the panel.

Is Lavacastling compatible with fabric?

Lavacastling officially supports fabric for Minecraft 1.21.5. The Mado dashboard automatically detects incompatible loader combinations.

Server lagging with Lavacastling – how to optimize performance?

Recommended RAM: 4 GB (per 8 players). Use /spark profiler to check if Lavacastling consumes the most tick time. Common fixes: reduce server view-distance to 8-10, install "performant" or "starlight" as supplementary mods on Forge. With Mado Hosting, your server runs on NVMe SSDs with dedicated CPU cores for minimal latency.

Rent Modded Server

Install Lavacastling with just one click on your server.

Recommended RAM
4 GBab €8/mo
Min. 3 GB | +1 GB pro 8 Spieler
Create Server Now
1-Click Mod Install
NVMe SSD Storage
DDoS Protection included

Details

License
MIT License
Server-side
Required

Supported Versions

1.21.5