Great Demon King Huyan could feel his life aura slipping away, and even more clearly, he could feel darkness gradually enveloping him.
In his daze, he seemed to see his entire life. Like Great Demon King Kuang Yue, Great Demon King Huyan had migrated from the Outer Domain with the Demon Spirit Race.
The difference was...
Back then, Great Demon King Kuang Yue had already been a Demon King, while Great Demon King Huyan had been nothing more than an insignificant Nine-Tribulations Sovereign.
After that...
To grow stronger, and simply to survive, Great Demon King Huyan could only throw himself into one frenzied battle after another, completing missions for the Demon God Hall and slaying cultivators of the myriad races.
Accumulating merit.
Day after day, through endless ages, Great Demon King Huyan's cultivation had finally broken through to the Demon King realm.
Eventually, he had even become a Peak Ruling Demon King!
A Peak Ruling Demon King naturally amounted to little in the Outer Domain, but in this cosmic plane, he was already an extraordinarily powerful expert.
Few people could threaten him anymore.
Yet he also understood all too well...
The gulf between a Ruling Demon King and a Great Demon King.
For a Ruling Demon King to advance to Great Demon King was a thousand times harder than climbing a mountain. What a joke—even though the Demon God Hall possessed a demon well...
It still could not cultivate Great Demon Kings on a large scale. If it truly had that ability, the Demon God Hall would have done so long ago and already seized this cosmic plane.
Precisely because of that...
Great Demon King Huyan had spared no cost in his frenzy to accumulate merit. The merit needed for a Ruling Demon King to advance to Great Demon King...