FTB Obsidian 20.1.3 is a release file of the Minecraft mod FTB Obsidian for NeoForge, made for Minecraft 1.20.1. It was published on January 31, 2026 and is 0 MB in size. For the full description, screenshots and every other version, visit the FTB Obsidian mod page.
How to install: Put the .jar into the mods folder (.minecraft/mods) and start Minecraft with the matching mod loader profile.
