jjk-1.0.0.jar is a release file of the Minecraft mod Kaisen Crafting: A JJK Mod for NeoForge, made for Minecraft 26.3. It was published on September 30, 2026 and is 12.2 MB in size. For the full description, screenshots and every other version, visit the Kaisen Crafting: A JJK Mod mod page.
How to install: Put the .jar into the mods folder (.minecraft/mods) and start Minecraft with the matching mod loader profile.