You know that character that doesn't personally have any power, but manages to be mystically powerful anyway? See, yeah, he has no power... but this one god of light owes him a favor, and he did a job for a spirit of wood and the spirit blessed him with a power in return, and there's this one relic he found in an old temple, and...
Basically, a classic shaman who "calls on the gods," but doesn't have any powers of his own. Something like New York Magician
, or [[Reimu Touhou]](if you ignore her inherent "floating" powers). Do We Have This One?