C7360 Long-term Preservation of Black Stone

"I didn't think that the Poison Demon Family would store black stones like this. It seems that the gap between humans and the Poison Demon Family is not only in terms of martial arts strength, but also in terms of pill and array." Qin Ming observed the stone in front of him carefully.

These stones were all very ordinary. They were the kind of stones that you would find on the roadside.

However