The Western Regions of the Dark Realm had vast uninhabited expanses of White Mountains and black water, pervaded by miasma and occupied by dark beasts. Dangerous places were scattered throughout, such that the environment was perilous to the extreme.

At its westernmost parts was the Great Wall, a miraculous city wall of the formation martial way which was built in the distant past. It ran along the westernmost borders of the Dark Realm, spanning thirty million kilometers. Like a range ...