Flaw

"This artifact is what the Mountain Crushing sect used to cultivate their students to have bodies that were very strong," the auctioneer spoke. "All you have to do is sit inside this artifact, surrounded by a bunch of strong material and let them grind onto you, slowly making your body stronger and stronger."

"The objects you put in there, you will have to find on your own," the woman said. "But, we have been told that for someone with barely anybody's cultivation, even normal stones would be enough as long as you get rid of your Qi before using it.

"For energy, you will have to put your spirit stones right here," she said, pointing at the center of the artifact where the bulge was. She pushed onto something, opening a compartment to show everyone.