Global demon change

Refining demons, flying and hiding with the revival of modern cities, human beings are no longer the masters of civilization at that time, the sky could not see the sun, was covered by birds, and the ground was red with blood. Mankind became a lost dog and food, a real hell on earth. It was not until a warrior with a big brain hole integrated the spirits of the dead monster into the Dantian that human beings avoided the fate of being exterminated refine demons and possess the ability of demons to fly into the sky and escape from the earth. A person who originally died because a demon returned to the age of 18 that day happened to be the annual demon awakening day that day, he refined an evil spirit. evil spirit, evil unknown existence!