An hour later, Jiang Liu felt his once-again-full Divine Sea and finally let out a long sigh of relief.
Although he had been able to sense that there should be nothing wrong with his Divine Sea, all along—
this was still the first time he had continuously operated the Heavenly Evolution Codex just to draw out that Dark Primal Qi.
Therefore, the moment he finally could not endure it any longer, he stopped at once.
Only after checking it over and waiting for his Divine Sea to recover did he finally set his mind at ease.
Jiang Liu then thought that purifying the Dark Primal Qi at this rate was truly far too inefficient.
Not only was the purification slow, but purifying the Dark Primal Qi this way was also extremely wasteful.
Moreover, it would cause massive depletion of the Heaven and Earth Essence here.
The density of the Essence here was now at least thirty percent thinner than when he had first entered.
Furthermore, the Primal Qi Dragon had never appeared again after he began purifying the Dark Primal Qi.
This meant that because he was purifying the Dark Primal Qi by this method, the concentration of Essence here could no longer support the Primal Qi Dragon.
Therefore, even if he could completely purify this enormous boulder, he had no idea how long it would take before the concentration of Essence here could return to its former level.
Although Jiang Liu had still been unable to break through the enormous boulder's defenses and finish purifying it—
he had been hoping to use this crisis to secure more benefits for the Human Realm.
He had not expected that he seemed to have thought too optimistically about this matter.
After Jiang Liu finished regulating his breath, he prepared to continue purifying