Post Arizona's devastating wish, things are back to normal, until... the collective egos of the doctors at Grey Sloan Memorial attract a Hubris demon, which feeds on ego, Callie and Arizona must figure out who's been possessed by Hubris and who is just normal levels of full of themselves. A Sequel to A Demon, a Goddess, and a Muse: Arizona's Absurdly Disturbing Alternative. Knowledge of Buffy the Vampire Slayer helpful.
This is just some silliness. 5 chapters max. Enjoy.