skilltree-1.21.1-1.0.3.jar is a release file of the Minecraft mod Passive Skill Tree NeoForge for NeoForge, made for Minecraft 1.21.1. It was published on September 27, 2026 and is 1.9 MB in size. For the full description, screenshots and every other version, visit the Passive Skill Tree NeoForge mod page.
How to install: Put the .jar into the mods folder (.minecraft/mods) and start Minecraft with the matching mod loader profile.