C257 A Trace of the Eternal Demon King's Consciousness

Ancient Demon King's eyes couldn't help but tremble when he saw Chu Feng take out a Demon Devouring Pill.

This Demon Devouring Pill was a pill that was extremely difficult to concoct, and the degree of difficulty in concocting it was no less than a Six Star pill.

Even in the ancient era, this kind of pill was extremely rare