Craftable Obsidian

A datapack that allows you to craft obsidian with magma blocks and blue ice.

107 Downloads

datapackfabricforgeneoforgequiltdecorationutility

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About this Mod

A datapack that allows you to craft 2 obsidian with 2 magma blocks and 2 blue ice, similar to crafting andesite, diorite and granite. The recipe can be found in the gallery.

Available Versions

1.0release

MC 1.21.4, 1.21.5, 1.21.6, 1.21.7, 1.21.8, 1.21.9, 1.21.10, 1.21.11fabric, forge, neoforge, quilt

March 15, 2026

1.0release

MC 1.21.4, 1.21.5, 1.21.6, 1.21.7, 1.21.8, 1.21.9, 1.21.10, 1.21.11datapack

March 15, 2026

How to Install Craftable Obsidian on Your Server

Order Server

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

Set datapack Loader

In the panel under "Egg", select the datapack loader and matching Minecraft version (1.21.11).

Install Mod

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

Compatibility

Mod Loaders

datapackfabricforgeneoforgequilt

Minecraft Versions

1.21.11, 1.21.10, 1.21.9 (+5 more)

Server-side

✓ Required

Recommended RAM

4 GB(min. 3 GB)

Frequently Asked Questions

Craftable Obsidian server crashes on startup – what to do?

Most common cause: wrong datapack 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 (1.21.11). You can switch loaders with one click in the panel.

Is Craftable Obsidian compatible with datapack and fabric and forge and neoforge and quilt?

Craftable Obsidian officially supports datapack, fabric, forge, neoforge, quilt for Minecraft 1.21.11, 1.21.10, 1.21.9. Note: Forge and Fabric mods are NOT cross-compatible – pick one loader and stick with it. The Mado dashboard automatically detects incompatible loader combinations.

Server lagging with Craftable Obsidian – how to optimize performance?

Recommended RAM: 4 GB (per 8 players). Use /spark profiler to check if Craftable Obsidian 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.