What about a mutant, like from X-Men? They have more fantasical powers~ Or something like a normal human who loans his body to a mystic being? Or has an heirloom that give him mystic powers?
[img]http://66.media.tumblr.com/f104ef9c8c5060ca3078aeb1674b5382/tumblr_nxy5tvFvTe1sfqz8qo3_250.gif[/img]