Well... I mean the 6 other Rulers did kill "god" and even kill Ashborn who stays loyal? Its just that he has a sort of failsaife from god, so he doesnt really die, and later joins the Monarchs to kill the Rulers, but is betrayed by them while the Rulers ask him for forgiveness. Nonetheless the "god" is dead i think? He later "rejoins" the Monarchs but with his own plans, he betrays them then, giving his power up to Jinwoo instead of taking him over, so Jinwoo isnt Ashborn, they are two different personalities, they just "merge" sort of and Jinwoo gets Ashborns powers, but they are two different people.