C597 The Strange Twenty Floors

Just as everyone was about to continue up the stairs.

Zhang Nan saw Dong Xiao appearing on the first level of the stone stairs.

However, Dong Xiao also saw Zhang Nan. She gritted her teeth and wanted to rush straight at Zhang Nan.

Zhang Nan saw that Dong Xiao had familiarized herself with the gravity of the first level and thought of an idea. He then said with a smile, "Dong Xiao