Grand Abyss Realm, Mu Family Spirit Mountain.
In an underground hall, countless white candles rested upon dark-red bronze lamps, yet burned with azure spirit flames.
There was no wind blowing in the hall.
And yet the flames kept swaying.
At the center of the candles, an old man stripped to the waist, covered in special spirit patterns, sat with his eyes closed.
From time to time, a surge of black qi welled over his face. The black qi bared its fangs and brandished its claws, like some terrifying existence.
It kept darting across his face and body.
Especially where those spirit patterns were, they bulged from time to time, as if something might bore out at any moment.
The cultivator's aged face also began to twist, and even the corners of his mouth could not help but let out groans of pain.
Bean-sized beads of sweat fell one after another, striking the ground with crisp sounds.
Pfft!
The cultivator spat blood, and the candle flames around him instantly linked into a continuous sheet, wrapping him within.
Under the candlelight, that black shadow finally began to fade away.
"This Bitter Origin Heart-Devouring Gu is growing more and more dangerous. Damn Celestial Pivot Ye Family—why did they leave so many hidden hands? Were they not afraid that with too many hidden hands, all of them would turn into vicious wolves dividing up the true Ye Family's hidden means?" The Mu Family Patriarch had descended under orders from the Spirit Realm and had obtained quite a few longevity spirit fruits, leaving him with long-lived years and formidable combat strength.
But correspondingly, those mighty figures of the Spirit Realm would not place complete trust in him.
Thus they had planted this Heart-Devouring Gu in him, and even now it had not been removed.
In