Post-Civil War

Hao Ren had seen many unusual creatures races on the planet—werewolves, vampires, shadelings, descendants of gods, and demon hunters. However, Mimir was definitely the most special among them all. This huge skull came from a guardian giant—the demigod created by the goddess of creation, who was initially responsible for supervising the mortal races in the Plane of Dreams. How did such a guardian giant end up on Earth?

Hao Ren vaguely felt that if he could unravel the truth of Mimir's arrival on Earth, he would be able to figure out how the unusual creatures came to this planet.

A demigod guardian was unlikely to be "blown" to this planet as other unusual creatures were. Unless he came on a mission.

Mimir seemed to be confused by Hao Ren's question. "Where I come from? Are you talking about the Wisdom Spring? Oh, I really didn't expect you to be interested in it. As the Yggdrasil spatial chain collapsed thousands of years ago, it—"