C881 Yin and Yang Were One Entity

In the past, Yuwen Tian might not have been able to understand the so-called Yin-Yang Separation. But now, Yuwen Tian had a very good understanding of this power. In the Inner Domain... This kind of power was only used by very few warriors in the outside world.

Now, it seemed like there was no mistake in the principle of the Inner Domain. When the heaven and earth first opened