I think a problem with FE classes in general is how they are mostly limited by weapons. 3H tried to ammend that by trying to add class exclusive skills.
But even then, other than personal skills (and very rarely, prf weapons) not much differentiates charactters.
It's why i think Characters should learn more personal skills as they level up, instead of class ones, and limit class skills to one or two per class. Will make characters more unique. Also, more prfs.