At the end of the Daqian Dynasty, the world was in chaos, and sorcery such as "yin marriage" and "blood sacrifice" were popular among the people. The imperial court set up the "Evil Suppression Department" to control the Taoist priests all over the world. On the surface, it suppressed evil and eliminated demons, but secretly it hid shocking secrets.
"Exquisite Blood Jade" - an ancient evil-suppressing artifact, containing seventy-two evil souls. It is said that collecting four pieces can open the door to the netherworld.
Long Hao possesses the master's original "Nu Yang Jue", which can reverse the yin and yang to detect traces of ghosts, but every time it is used, the life of the yang is lost, and the practice requires the use of his own blood as a guide.
