Then there are the "magical" artifacts. By the system you describe, most of them will effectively be bound, lesser, spirits.
You could have a class of Binders, (with subsets of Artificer, User, and/or Banisher) who seek out, and Bind loose or rogue spirits.
A 'painted mage' could do quite well, his familiar spirits bound to his skin. Or be on the verge of insanity as his 'Bound' Spirits whisper in his dreams.
You could have a class of Binders, (with subsets of Artificer, User, and/or Banisher) who seek out, and Bind loose or rogue spirits.
A 'painted mage' could do quite well, his familiar spirits bound to his skin. Or be on the verge of insanity as his 'Bound' Spirits whisper in his dreams.