A war fueled by the dark powers of forbidden sorcery is about to engulf the Ascendant Empire. Agerastian heretics, armed with black fire and fueled by bitter hatred, seek to sever the ancient portals that unite the empire - and in so doing destroy it.

Asho--a squire with a reviled past--sees his liege, the Lady Kyferin, and her meager forces banished to an infamous ruin. Beset by tragedy and betrayal, demons and an approaching army, the fate of the Kyferins hangs by the slenderest of threads. Asho realizes that their sole hope of survival may lie hidden within the depths of his scarred soul--a secret that could reverse their fortunes and reveal the truth behind the war that wracks their empire.