ultris mob battle patch datapack 1.0.11.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 17, 2026 and is 0.2 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.
