C137 Warburg

"Do you think I'm joking?" The corner of Mu Yun's mouth curled up as he looked at the three of them in ridicule. The cultivation of these three people were all above Martial Emperor. The highest one was only at the fifth level of Martial Emperor, but to make Mu Yun compromise was not his style.

"Interesting, haha..." Bai Heng laughed loudly, "Hong Ying, I'll leave it to you."

"Yes