The City of the Wrongfully Dead was one of the most dangerous forbidden zones in the Netherworld. When cultivators spoke of it, their hearts filled with terror and dread.

In the City of the Wrongfully Dead, nine forbidden zones were more dangerous than the others.

The Cliffs of Overwhelming Sorrow were one of them. 

Rumor had it that the cliffs stood at an intersection of the pure and impure. They were ten thousand feet tall, connecting heaven and earth.

The Great White Bone River flowed beneath the mountains, while their peaks were shrouded in Netherworld Hell Thunder. This variety of lightning was fierce and insidious. When struck, even Emperors struggled to overcome it.

Even more terrifying were the terrifying lifeforms that inhabited the Cliffs of Overwhelming Sorrow year round: Soul-Swallowing Birds.

Rumor had it that every Soul-Swallowing Bird was formed from the soul of an Emperor who’d perished within the City of the Wrongfully Dead. Without exception, all of them had terrifying strength comparable to an Imperial expert’s.

Thus, over the years, Emperors who explored the City of the Wrongfully Dead almost always preferred to go around the cliffs. Few dared draw near.0

This was the origin of...