Mystborn Horizons

The mod adds progression content across the world: new ores, bosses, structures, decorations, food and armor, with enchantments and weapons added to the existing item set. Several biomes receive generated structures, including flower forests, plains, cherry groves, dripstone caves and lush forests.

Shard Block sets fire to nothing but hurts more than a magma block, and ordinary resistance does not reduce that harm. The Slimy effect lets a player scale up walls for wall running, and the spore vision effect adds a special view. Some passive mobs, such as the Mantis, Copper Bulb and Ice Spider, drop items used for crafting instead of nothing; the Mantis drops nothing, while the Copper Bulb drops copper power cores and the Ice Spider drops froststone. Fabric API is required, and the mod is installed on client and server together.

The mod is published for Fabric only, with the latest file 1.1.6 for 1.21.1, dated 2025-10-07. It was first published on 2025-04-17 and is still under development. The author states that the mod is tested on 1.21.1 and does not promise results on other versions. All rights reserved applies, and the mod is not open source; public links exist for the source code and the issue tracker.