The challenge for the throne between Thurma and Nita begins in Mithra! Meanwhile, Kensho and his new companions visit a village with hopes of helping the locals…but things are not as they appear.
The Glass Castle, home of the Firelings and their final protection, is under siege—and Thurma cannot defend it alone. But as her former rival, Nita, and the rest of her people come together, Thurma realizes that she has never been alone, and that working together is the only way to defeat The Fire That Stays.