This mod adds player skills which you have to level up to unlock gear/items/blocks.
Default key to open the skill screen is "k".
LevelZ has an addon called JobsAddon which adds jobs to get levelz experience or money.
This mod is developed for Fabric.
There are no plans to develop a Forge version.
Modpack Permission:
Feel free to use it in any modpacks.
Bug Report:
Just report bugs at the github page.