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, check it out here:
https://www.curseforge.com/minecraft/mc-mods/jobsaddon
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
The LevelZ Team
