During all the years the Demon Ancestor waged war across Hong Huang.
An endless stream of blood essence had been sent into the Western Ancestral Vein, nourishing the [Immortal Slaying Formation Diagram] beneath the earth.
That was not all.
What delighted Rahu most was...
His cultivation had actually grown stronger with each passing day.
One had to know.
Rahu's cultivation had long since reached the Late Stage Primordial Golden Immortal realm.
If he broke through again.
He would reach the Perfected Primordial Golden Immortal realm, only one step away from the Primordial Grand Unity Golden Immortal realm.
Rahu had never expected this.
The Demon Clan's campaign across Hong Huang could actually bring him such benefits.
Rahu suddenly recalled what Ling Tian had said in the valley back then, and his eyes filled with an overwhelming killing intent!
"You brat!"
"Just you wait until I find you!"
How could Rahu not realize that Ling Tian had fooled him?
Contending for supremacy over Hong Huang was also a special path to enlightenment!
At least for now, this path was the right one!
Time passed in Hong Huang without record.
One day.
"Rumble!"
A deafening peal of thunder suddenly rang through the skies above the Western Continent.
It was as if endless thunderclaps had merged into one, resounding through heaven and earth.
"What's that?"
"Could the Demon Ancestor be making another move?"
By now, nearly all of Hong Huang had been incorporated into the Demon Clan's territory.
Whenever countless Primordial Beings spoke of Rahu, they respectfully addressed him as the Demon Ancestor.
They all knew that Demon Ancestor Rahu resided in the Western Ancestral Vein.
The thunder filling the skies must have something to do with him!
They simply didn't know.
What had caused it?
As time passed.
The thunder that had