C1639 Show Your Abilities

Lu Shan looked at Old Man Nie with some surprise. The more he looked at Old Man Nie, the more he felt that this man's identity wasn't simple. This man even knew about these things. It seemed like he had seen them somewhere before, or perhaps he had some understanding of them.

"What is a drip of blood to recognize a master?"

Hua Lao looked at Old Man Nie with a puzzled expression and asked