Ingame-Commands
https://www.curseforge.com/minecraft/mc-mods/puffish-skills

Editor
https://puffish.net/skillsmod/editor/

Effects
https://minecraft.fandom.com/wiki/Java_Edition_data_values/Effects

Youtube-Tutorial
https://www.youtube.com/watch?v=_Yzd0ZoKjng&ab_channel=Liopyu