Calamity (The Reckoners, Bk. 3)

When Calamity lit up the sky, the Epics were born. David's fate has been tied to their villainy ever since. And now Regalia has turned Prof, David's closest ally and the leader of the Reckoners, into a deadly enemy.

Everyone knows there's no turning back once a person gives in to their Epic powers. but Epics aren't lost. Not completely. And David is just foolish enough to face down the most powerful High Epic of all to get his friend back. Or die trying.