Sign in at the end of the world: Start by devouring the Flame Demon Lord

[End of the World] + [Invincible] + [Superpower] + [Not a Saint] + [System] + [Anime Elements]Mu Qiu woke up and found himself reborn in the end of the world. His body, which had been sleeping for two years, had unconsciously evolved into a corpse king with the ability to devour!At this time, a voice came from his mind: "Congratulations to the host for binding the Great World Sign-in System""The host has arrived at the sign-in location. The first reward is the Holy Lord's magic energy. The next sign-in location..."In this world full of zombies, Mu Qiu said it was difficult to survive as a human being...