A thought flashed across Ding Hao's mind.

He extracted a mysterious crystal from the stone wall with his will, then it fell into his hand.

He released his divine senses to probe and observe it carefully.

They were indeed top-grade mysterious crystals. The energy contained within was extremely abundant, and there were almost no impurities. Martial artist could absorb them directly, integrating them in their meridian channels and Qi Seeds without the need ...