Soul of Tyrants: Demonsouled #2

Mazael, now Lord of Castle Cravenlock, has subdued the demonic power within his soul, though at terrible cost to himself. Yet peace remains elusive. Mazael's former overlord plans a war of pride. A corrupt order of militant knights scheme for brutal and bloody conquest. The serpent people and their followers plot a terrible vengeance upon Mazael and his sister. And a foe more terrible than any he has yet faced awaits. For Mazael was not the only child of the Old Demon...