Faye power is based of tempo and beat of music, its a transformation based magic. The idea is inspired from Blade Trinity, Abigail Whistler when she puts on head phones when she goes vampire hunting.
How it works, that when she selects a song from her iPod, she transforms as she get more into the music. (Think of it as when your listening to some good music and you start tapping your feet or your fingers to the rhythm). It starts with changes to her feet and hands (As a mix of spiderman symbiote and flesh changing) as well as the growing of both her 2 tails, hair and ears. As the transformation progresses, her clothes change as well her per