Two things.

Number [b]A[/b]. Curses aren't typically something you'd want, so that's something we'd want to get rid of at some point right? I mean, you can just become a paladin and become mucho stronga.

Number [b]B[/b]. Witches are usually aligned with Kaien, was it a duel or something? Other nations are capable of using magic, but things classified as 'Witches' come from our great nation itself.