[Thor Ragnarok Theory/Explanation] Why Hela was able to ...
Tbf Aesir magic and human magic is different. Iirc even human magic can be wildly different from each other. Some humans draw their power from within, and are born with magical abilities or mutate ect ect, but the sorcerers magic is fueled by magic outside of the sorcerer and thats why anyone can be a sorcerer with time and intelligence.