Gavin Guile is the Prism, the most powerful man in the world. He is high priest and emperor, a man whose power, wit, and charm are all the preserves a tenuous peace. Yet Prisms never last, and Guile knows exactly how long he has left to live. When Guile discovers he has a son, born in a far kingdom after the war that put him in power, he must decide how much he's willing to pay to protect a secret that could tear his world apart.

As the old gods awaken and satrapies splinter, the Chromeria races to find the only man who can still end a civil war before it engulfs the known world. But Gavin Guile has been captured by an old enemy and enslaved on a pirate galley. Worse still, Gavin has lost more than his powers as Prism - he can't use magic at all. Without the protection of his father, Kip Guile will face a master of shadows as his grandfather moves to choose a new Prism and...

"In the stunning conclusion to the epic, New York Times bestselling Lightbringer series by Brent Weeks, kingdoms clash as Kip must finally escape his family's shadow in order to protect the land and people he loves. As the White King springs his great trap, and the Chromeria itself is threatened by treason and siege, Kip Guile and his companions will scramble to return for one impossible final stand. In the darkest hour, will the Lightbringer come?"--...