There's Something Wrong with This Adventurer

Lynch traveled through time and became a sacrificial adventurer, awakening his dual personality and the [Scale of Sin]. [Scale of Sin: You can transfer the fatal curse and mental pollution you endure to another personality at an equal value] Order of the Abyss: Inject the nightmare of despair and make him crazy. You suffer [Nightmare of Despair]: your sanity is cleared and you become a killing puppet. Reversal effect: Another personality gains "absolute calmness" and masters shadow magic. Evil God Priest: Give him the blood of the corrupted god, causing him to explode. You bear [Corrupted Divine Blood]: the body is destroyed and the soul is torn apart. Reversal effect: Constitution +10, awakening "Immortal Demonic Body". Many years later, when Lynch suppressed the abyss with his dual godhead, the world praised him in awe: The double-faced tyrant, the sage of sin, the master of the abyss, the savior of light and darkness...