Tens of Thousands of Years

Lu Shan sat cross-legged before the hole in that world, plugging it with his own body as his power spread outward.

As his power expanded, the darkness across the entire world gradually receded, and light returned.

Those Black Shadows still relentlessly besieging the human clans and demon clans were all swallowed by the sudden devouring force.

Vast power surged in from afar. Though these Black Shadows were not of high level, there were enough of them to serve as an enormous supplement for Lu Shan.

"Go back. From now on, humans and demons shall coexist. Demons must not devour humans, and humans must not slaughter demons at will."

"This crisis is not over. It is merely the beginning. Though I have plugged this breach, those terrifying beings outside will not cease their infiltration of this world. Black Shadows will still appear, but I will suppress their numbers."

"As the world changes, they will eventually break through that barrier and enter this world. We do not know how much time we have, but develop with all your strength and do everything possible to nurture more powerful experts."

After Lu Shan finished speaking, he said no more. His body transformed into something like a black hole, floating beneath the surface layer of the world.

His power spread beneath that surface layer, swallowing every shadow that attempted to break into the world's interior.

However, he did not devour every shadow. He allowed some of them to enter the world.

The two races needed external pressure to maintain stability, while humanity needed constant slaughter and vast quantities of black crystals to breed more Phantom Beasts.

The five Demon Emperors respectfully bowed to Lu Shan before departing. With Lu Shan's current strength, he could have completely exterminated the Demon Race and brought this entire world