War threatens as a conquered enemy rises again in this third and final installment in the bestselling epic fantasy Dragon Prince series.It began with the discovery of the star scroll—the last repository of forgotten spells of sorcery, the only surviving record of the ancient foe who in times past had nearly destroyed the Sunrunners and their magic. Now, as Andry, the new Sunrunner Lord of Goddess Keep, begins to master this potentially deadly knowledge, while Pol, son of High Prince Rohan, seeks to touch the minds of dragons, the long-vanquished enemy is mobilizing to strike again, drawing on forbidden lore to play an ever-shifting game of treachery and betrayal—and secretly infiltrating even the most strongly protected of citadels.And soon, Pol, Andry, Rohan, his Sunrunner wife Sioned, and all whom they hold dear will find it hard to tell friend from foe. Spell wars threaten the devastate the land and dragons soar the skies, inexorably lured by magic’s fiery call, in this epic final installment in the Dragon Prince trilogy.