Ancient Insomnia_1.20.1-1.0.1.jar is a release file of the Minecraft mod Ancient Insomnia for Forge, made for Minecraft 1.20.1. It was published on June 1, 2026 and is 16.1 MB in size. For the full description, screenshots and every other version, visit the Ancient Insomnia mod page.
How to install: Put the .jar into the mods folder (.minecraft/mods) and start Minecraft with the matching mod loader profile.
