They are Emperor Pangu and Emperor Tiandao. The way of heaven was derived after Pangu opened up the world, and Hongjun relied on a fragment of the first opening of the world and a trace of Pangu's soul to build the way. The so-called way of Tao can be called Wuji. There is no way to explore the mystery, so Pangu became the greatest god in the universe. He opened up the world and derived the way of heaven. His cultivation was also mysterious and mysterious.