The Way of Yin, Yang, Xuan, and Huang

In this fictional ancient cultivation world, supernatural forces abound, including astrology and divination, arcane formations, and dark cults. Its practitioners wield sinister arts such as the Ten Thousand Ghosts Paying Homage Formation. The Luoyi Dynasty governs astrological secrets through the Office of Grand Divination, while concealing an ancient royal bloodline of the Si surname.