C501 Yin-yang Realm

Boom!

In an instant, the three of them quietened down, and a strange atmosphere spread throughout the room.

Even the mysterious old man's face was filled with an expression of disbelief after hearing Liu Mang's words. He slightly frowned because, all of a sudden, the old man discovered that he couldn't see through this young man in front of him.

I wonder what this young man is thinking..