C380 Outer Dao Yin Devils
Thunder Emperor Tai Su told Ye Yun about the war that happened in the river of time.
In the Heavens, all living beings were divided into Yin and Yang. Cultivators, Spiritual Beasts, and demons all represented Yang.
There was also a kind of living being in the Heavens and Earth called - Outer Dao Yin Devil, which represented Yin.
The Outer Dao Yin Devil possessed a powerful divine ability