fiahi-4.1.0.jar is a release file of the Minecraft mod Freeze It, and Heat It! for NeoForge, made for Minecraft 1.21.1. It was published on April 14, 2026 and is 0.2 MB in size. For the full description, screenshots and every other version, visit the Freeze It, and Heat It! mod page.
How to install: Put the .jar into the mods folder (.minecraft/mods) and start Minecraft with the matching mod loader profile.