C249 Golden Core Upper Tier

Yun Xi and Qin Zhan watched Sun Chenglong leave before starting to set up the formation.

This kind of formation was very difficult to break for others, but it was very easy for Yun Xi. After all, she was a formation master in her previous life.

A genius's life could not be judged by common sense.

Qin Zhan, who was watching from the side