Over the past years.
Lu Chenzhou had been secretly monitoring the Great Rift Valley all along.
Several years ago, the Blood Flood Dragon Demon Venerable had already left.
The Devouring Country Demon Venerable led a Demon Race army to garrison the rift.
It seemed the Demon Race had also discovered the ancient cultivation cave mansion, but unable to enter, they temporarily guarded the area.
...
At the Great Rift Valley.
Demon energy soared to the heavens, as three million Demon Race soldiers camped here.
There were as many as four Demon Emperors, the strongest among them not weaker than the top ten Heavenly Persons.
A big-bellied, azure-maned lion-faced demon lay on a jade bed, lazily popping one after another of human-flesh-refined spiritual elixirs into his mouth.
"Stay sharp, everyone. It's suspected that a Human Clan expert above the Sixth Realm is hiding in this world, and he's already killed quite a few of our brothers."
