First Stygian Diviner:Apocalypse

" You must level down to the rock bottom of hell", a demonic voice said when he was summoned to the other side.Seth Johnson was 16 when he was sacrificed in a cleansing ritual organized by his parent's cult, to find himself reincarnated and transmigrated to a new world that was already on the brink of extinction.People were divided by their magic power's ranking to live in different regions and sat on ascending levels in the sky.Being born again as Isiah Duncan, the brother of Lucas Duncan the prodigy who brought the apocalypse to this world was confusing to him, he who had no powers to survive, until he was forced to level down instead of leveling up, using the diabolic core of magic instead of the divine one