The Underworld-1.4.1-fabric-1.21.8.jar is a release file of the Minecraft mod The Underworld - Extra Dimensions Series for Fabric, made for Minecraft 1.21.8. It was published on July 28, 2026 and is 1.4 MB in size. For the full description, screenshots and every other version, visit the The Underworld - Extra Dimensions Series mod page.
How to install: Put the .jar into the mods folder (.minecraft/mods) and start Minecraft with the matching mod loader profile.
