C8500 Stone Box

It was because she thought that she could use the Absorbing Stone to build the city wall.

Now that Qin Ming asked her about the city wall, Qin Xixuan was very proud of herself. She knew how to set up the formation.

If it wasn't for her inherited memory of the formation, even if she had the Absorbing Stone, she wouldn't be able to use it to build the city wall