The next book in the thrilling New York Times bestselling series.

For years he has endured the endless trials and triumphs of a man whose skill and power could not be restrained. Battling ancient enemies, forging new alliances, and confronting the corruption within his own land, Gaius Octavian became a legendary man of war-and the rightful First Lord of Alera.

But now, the savage Vord are on the march, and Gaius must lead his legions to the Calderon Valley to stand against them-using all of his intelligence, ingenuity, and furycraft to save their world from eternal darkness.