Wei 2.5 Big Chemical Update is a release file of the Minecraft mod MMT's Weapons and tools for Forge, made for Minecraft 1.20.1. It was published on January 28, 2025 and is 5.3 MB in size. For the full description, screenshots and every other version, visit the MMT's Weapons and tools mod page.
How to install: Put the .jar into the mods folder (.minecraft/mods) and start Minecraft with the matching mod loader profile.