"The Tong... what is it?"
Xu Yuan heard himself ask.
"Ghosts test humans, and humans test ghosts."
The Great Cultivator smiled and continued:
"At first, we tracked Ghost Entities by the blood and filth left on their bodies after they killed people."
Xu Yuan thought for a moment, then nodded.
While cultivating in the park, he had seen those ghosts covered in blood, with bones and entrails hanging from them, leaving a trail behind.
Human Race Cultivators had followed it and hunted them down.
"Later, we found a better way."
"But the Ghost Entities disappeared."
"Because the Underworld is actually in another dimension. Trying to reach the Mortal Realm from there is like searching the depths of the sea for a strand of seaweed drifting with the currents."
"You might find it now and then, but you can't reach the Mortal Realm every time."
Xu Yuan heard himself speak again:
"But lately, more and more ghost disasters have appeared."
"Yes."
The Great Cultivator picked up the thread:
“Because when a city first undergoes Annihilation, the strongest ghost devours every other ghost and every human. Nothing in the entire city escapes its maw.”
"It takes roughly ten years to digest every soul in a city and weave them into a passage."
“That passage marks the anchor point it has established in the Mortal Realm.”
"Only after those ten years can it invade the Mortal Realm!"
The voice fell silent.
Xu Yuan snapped back to himself and sat on the sofa, gasping for air.
He reached up to touch his neck.
His neck, forehead, and back were drenched in cold sweat.
"Damn it!"
He suddenly cursed.
It had been almost ten years since Border City was destroyed!
Which meant—
The Ghost Entities could invade the Mortal Realm again at any moment!
And