effective_for_forge-1.0.jar is a release file of the Minecraft mod Effective (Forge) for Forge, made for Minecraft 1.18.1, 1.18. It was published on December 17, 2021 and is 0.8 MB in size. For the full description, screenshots and every other version, visit the Effective (Forge) mod page.
How to install: Put the .jar into the mods folder (.minecraft/mods) and start Minecraft with the matching mod loader profile.