ultris mob battle patch datapack 1.0.0.zip is a release file of the Minecraft data pack Ultris: Boss Expansion — Mob Battle Patch, made for Minecraft 1.20.1. It was published on January 15, 2026 and is 0 MB in size. For the full description, screenshots and every other version, visit the Ultris: Boss Expansion — Mob Battle Patch data pack page.
How to install: Put the .zip into the datapacks folder of your world (.minecraft/saves/<world>/datapacks) and run /reload. No mods needed.
