C208 Sun yong of the evil gate

There were many Daoist magics about the eyes, such as Buddhist eyes, ghost eyes, magical eyes, sky eyes, mortal eyes (ordinary people) and the Daoist magics also included the Yin and Yang eyes, which were all different. After opening one's eyes, one would be able to see that the Yin and Yang eyes were all the most basic functions.

Yin and Yang could distinguish Yin and Yang