Ametrin API - 1.21.3 - 0.2.7 is a beta file of the Minecraft mod Ametrin API for NeoForge, made for Minecraft 1.21.3. It was published on October 24, 2024 and is 0.2 MB in size. Pre-release builds can contain bugs — back up your world before installing. For the full description, screenshots and every other version, visit the Ametrin API mod page.
How to install: Put the .jar into the mods folder (.minecraft/mods) and start Minecraft with the matching mod loader profile.