multiplayer_boss_fight-neoforge1.21.1-1.0.3.jar is a release file of the Minecraft mod Multiplayer Boss Attribute Modifier for NeoForge, made for Minecraft 1.21.1. It was published on May 29, 2026 and is 0 MB in size. For the full description, screenshots and every other version, visit the Multiplayer Boss Attribute Modifier mod page.
How to install: Put the .jar into the mods folder (.minecraft/mods) and start Minecraft with the matching mod loader profile.
