This is a world where humans and demons coexist. Zhongzhou is nearly 90,000 miles away, and the yin energy of heaven and earth is the most important, so it is called Yin Jiu.For millions of years, there have been many immortal cultivators in the Yinjiu Continent, and there are very few people who can become flying immortals.Xuanyu Sect, an inconspicuous small sect on Yinjiu Continent.This day is the annual rank identification of Yin and Yang Yuan in the clan. Everyone has innate Yin and Yang Yuan, women are Yin and men are Yang, and the grades are divided into ten levels from low to high.