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Sulfur Expansion

by bluffcon

Sulfur Expansion adds sulfur-themed mobs, crafting materials and utility items to Minecraft for version 26.3, and it requires ArbiterLib.

FabricNeoForgeServer required, client optionalMIT LicenseOpen source26.3

What it does

The mod adds new non-world content built around the Sulfur Cube, including an adult form, a small adult form and a baby form, each with different drops and behavior. Adult Sulfur Cubes drop Sulfur Balls when killed, and some new archetypes carry special abilities. Chaos Cubed content continues here, so players who know that mod will find related sulfur creatures.

Sulfur Balls have several uses. They feed baby Sulfur Cubes so they grow faster, and they can be crafted at the Arbiter Workbench into gunpowder, four at a time, from charcoal, bone meal and sulfur. Hydrated Sulfur Balls store water as a stackable item, and using one places water where the player is looking, with a 50% chance to return the item. Cinnabar leaves can feed baby cubes as an alternative to Sulfur Balls. Slimeballs no longer work as food for cubes.

The mod depends on ArbiterLib, which has to be installed alongside it. Sulfur Expansion runs on the server, so the server needs it, while players may add it for the extra content. Builds are published for Fabric and NeoForge, and the files target the 26.3 game version. The code is open source under the MIT License, and public links exist for the source and the issue tracker.

Key features

  1. Sulfur Cube mobs

    Baby, small adult and adult Sulfur Cubes, with the small form consuming blocks and the adult form dropping Sulfur Balls.

  2. Hydrated Sulfur Balls

    A stackable water item that places a water block where the player is looking, and can be reused in some cases.

  3. Sulfur crafting and food

    Sulfur Balls craft into gunpowder at the Arbiter Workbench and feed baby cubes so they grow up faster.

  4. Sulfur light source

    A new light block that a climate frog consumes when it eats a baby or small Sulfur Cube, with a color close to Ochre Froglight.

Compatibility

Latest build for each game version and loader.

26.3r3+modr3+mod
ReleaseBetaAlphaNot available

Only full game releases are shown. This mod publishes no snapshot builds.

Requirements

Dependencies declared by the latest file for each loader.

Required 1

ArbiterLib๐Ÿ‘œ โŸข Minecraft datapack framework with crafting, blocks, tags, items, and other utils!
Required

Questions

Does Sulfur Expansion need ArbiterLib?

Yes. ArbiterLib is a required dependency and must be installed with Sulfur Expansion on the server.

Does every player need Sulfur Expansion?

No. The server must run it, while players may leave it out.

Which loaders are supported?

Builds are published for Fabric and NeoForge, both for the 26.3 game version, with the latest file dated 2026-09-24.

In the catalog

Sulfur Expansion is one of 11,058 Mobs mods on ModsFinder, and one of 5,189 Mobs mods for Fabric. 8,071 mods support Minecraft 26.3.

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What the author says

This datapack is a thoughtful continuation of the Chaos Cubed 26.2 Minecraft drop! It adds some new archetypes with special abilities, a Sulfur Ball drop, and other cool things! โš ๏ธ Requires ArbiterLib (latest) datapack and resources. Get them on Modrinth | GitHub
bluffcon, on the Modrinth page

Official listing

Owner
bluffcon
Published
2026-09-18
Updated on Modrinth
2026-09-24
Facts verified
2026-10-15

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