C3591 The Origin of the Devil Suppressing Abyss

Everything in the world, Yin and Yang.

With Yang, there was Yin.

Yin and Yang coexisted, and only then could the most basic and normal operation of the world be maintained.

If the five great domains were the Yang Plane of the All Heavens and Realms, then the Nine Abyss and the endless Nether Soil were the Yin Plane of the All Heavens and Realms