ash_abomination-1.0.jar is a release file of the Minecraft mod Abu's Ash Abomination for Forge, made for Minecraft 1.12.2. It was published on May 3, 2023 and is 0.1 MB in size. For the full description, screenshots and every other version, visit the Abu's Ash Abomination mod page.
How to install: Put the .jar into the mods folder (.minecraft/mods) and start Minecraft with the matching mod loader profile.