C2601 Yu yue and long men

"Is this the Yu Yue Long Men Dan?"

Cheng Feng's mind shook, and thought to himself: "As expected of the Grade Six Spirit Dan."

"I'm afraid that just one would be enough to raise my three Flower of Martial Arts to their limits."

Right at this moment, a rumbling sound could be heard.

A black cloud fell from the sky, turned into a huge black lightning dragon