The Dairne-Reih haven’t been seen in Dionia for generations—their kind and their king, Morgui, banished long ago from haunting paradise. But when creation shows signs of deterioration, the kings of the seven realms converge in the sacred Gvindollion gathering to arrive at one inexplicable conclusion: Morgui has returned.
In the hopes of entrusting Dionia’s brave history and perilous future to a generation that has never known war, the kings decide to raise up their young sons as an elite group of warriors, known only as the Dibor.
Gorn, legendary hero of the First Battle, is commissioned to teach the Dibor the art of war, leading them on a four-year adventure on the Isle of Kirstell. It is Luik, son of Lair, who soon emerges as the warband’s spirited front man. But he is not the only one of his peers to grow in power; his dear friend Fane discovers hidden abilities among the Mosfar under the mentorship of Li-Saide of Ot, while Princess Anorra finds that her lifelong tutor knows as much about combat as he does about etiquette.
There is little time for the Dibor to enjoy the satisfaction of graduation, however, as a sinister plot is discovered to dethrone Dionia’s kings and flatten the capital city of Adriel. The Dibor are summoned to war, along with the rest of Dionia’s fighting men. It is before the gates of Adriel Palace that Luik and his army face Morgui's prince, Valdenil, as well as the unending ranks of the Dairne-Reih.