The Demon Banner had already been depleted, but now it was like a taotie that had starved for a hundred years.
Upon sensing the aura of the Demon Beast carcass, it abruptly unleashed a powerful suction, as though it would devour every last scrap of flesh and bone.
The White Bone Demon Mara Banner began feeding ravenously.
Black light flowed across the Demon Banner's surface, intertwining and merging with the power of blood and qi from the Demon Beast carcass.
Nourished by this power, the Demon Banner's aura climbed steadily, growing stronger.
It writhed and grew as though alive.
The spiritual energy in the secret chamber fluctuated violently, as though drawn by the Demon Banner's devouring power.
It gathered toward Qing Chen and the Demon Beast carcass, and Qing Chen could clearly sense the flow and changes of this power.
His mind became wholly immersed in this wondrous state.
Three months passed in a flash.
During this long period of secluded cultivation, Qing Chen almost forgot the passage of time.
Finally, late one night, when the first thread of moonlight fell upon the Auspicious Cloud Abode.
The Moon Laurel Qi within the Demon Banner suddenly shuddered!
Then a powerful surge of Mara black light erupted from its surface, casting the entire secret chamber in inky blackness.
Joy stirred in Qing Chen's heart, filling him with anticipation.
Sure enough, once all the Mara black light had been drawn back into the Demon Banner.
The Demon Banner had recovered and advanced from its original grade as a low-grade spirit artifact to a mid-grade spirit artifact!
Its surface was smoother and finer, and the flowing black light exuded a heart-quaking pressure.
But now Qing Chen could only ritually refine it; the Demon Seed's spiritual sense could no longer command it to unleash its