Fuxi woke up in the wilderness, carrying the memories of his previous life, and depended on his sister Nuwa.
In the third lecture of Taozu, he took the lead in discovering the secret of corpse beheading and became a quasi-sage together with Nuwa. In order to help his sister cut off her ego, he spent tens of thousands of years deducing the secrets of heaven, creating a "prehistoric calendar" to determine the rotation of the four seasons, and transferring all the countless merits - Nuwa used this to complete the creation of humans and become saints in Mount Buzhou.
During the Lich War, he took charge of heaven to protect the human race's legacy; when the Three Emperors ruled the world, he reincarnated as a true spirit and realized the way of humanity. In Haotian's reincarnation, he temporarily took over the role of Emperor of Heaven to observe the movements of the stars; in Houtu's transformation into Taoism, he used the resurrection of the ancestral witch as a bargaining chip to take charge of a Huiyuan in the underworld. The Emperor of Heaven, the Emperor of Heaven, and the Emperor of Earth are the three perfections.
When the Gods were granted tribulations and the way of heaven was weakened, he calmly overcame the tribulations during the battle between the Four Saints and attained the enlightenment of Hunyuan.
However, the cause and effect of the prehistoric times has become increasingly serious, and the way of heaven is out of balance. When the Chaos Demon God escaped from the Kaitian Calamity came back, Fuxi, Nuwa, and Houtu joined forces to kill the Demon God, resolve the cause and effect, cut off the last bond with the prehistoric world, and escaped into the depths of chaos with the prototype of reincarnation and the true spirit of the ancestral witch.
The new world is called "Three Emperors Heaven".
Since then, the three Hunyuan powers have jointly ruled this world with the three realms of heaven, man, and earth, wandering and searching in the endless chaos. Fuxi's Tao has also changed from deducing the world to opening up a truly perfect world with loved ones and trusted friends.