C1625 The Request of the Nether Emperor.

In the Chaos World, other than the seven Primitive Martial Souls, the rest of the martial cultivators were born in the Chaos World like Tang Lei. Although the rise of the Nether Emperor was very fast, no one knew his previous identity or where he came from.

At least before the Chaos World collapsed, no one had ever heard of the Nether Emperor.

Later on