Right now, by Feng Nanxi's side, her Junior Brother, Second Senior Sister, and Sixth Junior Sister were all present.
Digging a tunnel through was simply too humiliating. Feng Nanxi wanted to show off her skills as well! This was also her very first time using this technique to break a Formation. She had no idea whether it would work. But looking at it now, it seemed useful enough!
Then, Feng Nanxi formed hand seals, and the formation stones resonated with one another. The space enclosed by them trembled slightly.
Chapter 611