"Xianzang Tianji" records: Thirty-six million years ago, the heaven and earth were in chaos. The ancient god Qize came into being, divided the heaven and the earth, created six tribes, and molded ghosts and gods to fill the world. He led the gods and six tribes to move to the ninth heaven, leaving only the ghost tribe on the ground. The ghost tribe is greedy, so they summon their tribesmen to fight with the gods. The god was angry and ordered his dragon and phoenix tribes to fight with him. After fighting for several months, the ghost tribe suffered heavy casualties and surrendered. Qize divinely remembered its origin, divided the ghost tribe into two tribes: demons and humans, abandoned them on the ground, and left without caring about earthly affairs. Tens of thousands of years later, Qize Shen remembered his duty as a human race and granted the human race the qualifications to become immortals...