The Importance of MP in RPGs

I wanted to remove MP, but I just had to really break down what MP did like what purpose it served. In game design MP is all how tired you are or how much magical potential. It serves from you not being able to use too many powerful attacks in a row. And so now there's a reason to choose a spell. You just had to add other sort of conditions and constraints onto them. Those never got into the game, but I think that kind of stuff can be cool as well. The magic structure mirrors the structure of you being in a school for spells. Because Marie has a punch spell that like she has to be three away and there can't be anyone between her