In the gray world before falling into Hongmeng, Wang Chen realized the "Chaos Sutra" for hundreds of millions of years and reached the fourth level. He was enlightened by the ancestor of nothingness and was given a jade slip to know the number of the catastrophe and his own mission. Pangu hid in the primitive world as a chaotic body moments before the creation of the world. After transforming into a human being or an immortal, Zixiao listened. The Great Tribulation of the Gods manifested and rescued several immortals from the Jiejiao Sect. They received the identity of an alien that could not be calculated by the way of heaven, and returned to the gray realm to open a new world together with the Avenue of Chaos.