Hi!
I’m looking for books about mages, wizards and witches in which the magic itself is a central part of the story and not just there so the MC can slam a fireball into the face of his foes.
Maybe the magic has a will of its own or the MC is trying to ‘restore’ it from some kind of ‘disease’ or something else.
Skulduggery Pleasant by Derek Landy. Been a fan of it since I was a kid, started rereading them from the beginning a few months ago and they’re still peak. Great characters, great worldbuilding, great sense of humor.