Devil's Oath

Book 4: The Devil's OathAfter the Devil's War shatters the world, the protagonist discovers that the true source of the Devil's power was never the battlefield - it was the ancient Oath binding their bloodline to darkness. As strange whispers spread through ruined cities and symbols burn into living flesh, the Devil's influence returns in a new, terrifying form, possessing leaders, soldiers, and even loved ones. Forced to confront betrayal, rising cults, and a new heir claiming the Devil's throne, the protagonist must uncover the origin of the Oath and face the horrifying truth: breaking it demands a sacrifice that could destroy everything they have left. The Devil's Oath pushes the saga into its darkest depths, where fate, blood, and destiny collide.