Even though Qin Mu had just entered the sect, he already had his own understanding of the true Great Dao of reincarnation. He knew why son of Heaven Yin could only be a son of heaven and not a heavenly venerate.
This was because the true great dao of reincarnation required one to deduce youdu, Heavenly Yin, and the path of creation to the extreme and reach the peak of perfection. Only then could one deduce the true great dao of reincarnation and become a heavenly venerate.
Among them, there were 64 Great Dao of Hades, 12 Dao of Heavenly Yin, and the Dao of creation was created by heavenly venerate ling. With the development of the two crimson and bright emperors, there were even more systems within.