Rudolph Diamond Davies III: Senior class clown. Hawaiian-shirt-wearing party dude. Apprentice Faery Seer trained to enforce the peace among humans, faeries, angels, and demons. No problem. Until a friend’s spell to summon a capital D Demon devastates Rude’s city in the blink of an eye.

The spell changes everything—and everyone—within its reach. Some people vanish without a trace. Some lose their sanity. And those who carry magic within them begin to change as the spell reshapes and remakes them, turning them into their own worst nightmares.

If Rude can’t find a way to stop his own terrifying transformation, he will be damned. The arrival of the Demon will destroy more than his city and all the people within. The Demon’s magic will destroy the world.