impact1.1.jar is a release file of the Minecraft mod Impact Ore Compat for Forge, made for Minecraft 1.16.5. It was published on October 18, 2023 and is 0.2 MB in size. For the full description, screenshots and every other version, visit the Impact Ore Compat mod page.
How to install: Put the .jar into the mods folder (.minecraft/mods) and start Minecraft with the matching mod loader profile.