C527 Cut the Gun Array

Lu Shan didn't comment on Ning Feng's suggestion. In fact, even if he wanted to dig a tunnel, if he asked Ning Feng to do it... The efficiency was too slow. Lu Shan could not afford to wait even if it was only two or three months. How could he wait for one to two years?

If Lu Shan used the Upgrade Box to move the stones, this matter could not be carried out in front of others