C3769 Genius among Geniuses

Yan Zhengyun and the other four S grade experts didn't expect Yellow Sand Old Man, who was going to attack Zhang Qianfan, to suddenly turn around and attack them.

This gave Yan Zhengyun and the others no chance to react.

Zhang Qianfan was also stunned. He looked at this scene in a daze.

Chen Sanqiu laughed. He turned around and stood up straight at Yellow Sand Old Man