The Return Of Apocalypses Tyrant summary:
25 years after the opening of the Hell Gate, humanity has perished, except for one. Namgung, who returned three days before the Hell Gate opened after clearing a quest, vows to protect his reunited daughter. He begins to devour the rewards of the Eight Martial Stars, who are chosen by the Eight Phases, who are akin to gods. Having taken a seat among the Eight Martial Stars, Namgung clears each of the upcoming festivals (carnivals) with his memories from before the return. And as he prepares for the things that lie ahead by gathering allies and growing stronger, he starts experiencing events he hasn’t faced even himself…