KJ's Skill Tree
A pufferfish skill tree created for KJ's Progression Pack. Implements tool progression and 3 different combat classes.
⬇ Download on ModrinthAdds two skill trees using Pufferfish Skill Trees, Pufferfish Attributes, Advanced Netherite, and KJ's Progression Limiter to heavily extend vanilla progression.
The combat tree provides ways of building into many different playstyles, however it makes the player very strong compared to vanilla mobs. It is heavily recommended to add a difficulty mod to scale the mobs to the player.
The gathering tree extends vanilla progression by requiring players to unlock tools as they go, as well as providing significant buffs to mining speed, fortune, and reducing anvil repair costs.
- Edition: Minecraft Java
- File type: .jar
- Minecraft version listed: 1.21.1
- How to install: Install the matching mod loader (Forge, Fabric or NeoForge) for your Minecraft version. → Download the .jar. → Put it in the .minecraft/mods folder and launch that loader profile.
- Where to get it: Opens on Modrinth — not every file is mirrored on our own servers.
Install steps are the general flow for this file type — How to install Minecraft Java mods & modpacks walks through it step by step.
- Ships as kjs-skill-tree-2.1.jar — drop this file into the mods folder
- Download size: 18 KB
- Download link checked 1 Sept 2026 — working
These come from our own check of the pack file, not from the source page.