extreme_monsters-1.12.3.1-neoforge-1.21.1.jar is a release file of the Minecraft mod Extreme Monsters (EM) for NeoForge, made for Minecraft 1.21.1. It was published on November 26, 2025 and is 7 MB in size. For the full description, screenshots and every other version, visit the Extreme Monsters (EM) mod page.
How to install: Put the .jar into the mods folder (.minecraft/mods) and start Minecraft with the matching mod loader profile.
