C524 The Secret of the Dragon Scale

Looking at the half piece of green dragon scale in his hand, Liu Mang's eyes were filled with shock. He didn't blink as he looked at Shangguan Yun who was lying on the ground. Could this half piece of green dragon scale be the source of Shangguan Yun's power to become so strong?

After all!

Just as Liu Mang touched Shangguan Yun's body