Cassandra Clare

Sebastian Morgenstern launches a devastating war against the Shadowhunter world, forcing Clary, Jace, and their allies into a final battle for survival. As demonic forces spread and alliances collapse, the Shadowhunters must unite to stop Sebastian’s plan to transform the world. Clary discovers the full extent of her powers and heritage, while sacrifices are made that will change every character’s fate. The story concludes the main Mortal Instruments arc with a climactic confrontation between light and darkness.