Kai was nothing but a servant—until the day the Demon Emperor burned the forbidden **God-Slaying Scrolls** into his soul and hurled him into the abyss. Now, armed with the deadliest knowledge in existence and hunted by his former master’s disciples, he must rise from the gutter realms to claim his vengeance. But the Scrolls whisper a terrible truth: to kill a god, you must first become a demon even heaven fears."