War consumes the land, and Karn must lead the charge—or risk losing everything.

As Rhudoria's armies close in, Karn takes his place as an officer in the Black Guard, fighting to hold the line against overwhelming odds. With Serah training among the elite Black Knights, he must rely on old friends and new allies to navigate the brutal battlefield and the treacherous politics of war.

When a chance to strike at the Witch Queen arises, Karn is thrust into a perilous mission that could end the conflict—but at a cost he may not survive. With enemies closing in and his own darkness threatening to consume him, Karn must decide: will he fight for a better future, or let the war destroy him?

The battle begins. The fate of the realm hangs by a thread.