C342 A Formation That Weighs as If It Were Light

In this place, the appearance of "Mystery City" could no longer be seen.

This place seemed to be the residence of an aristocratic family. However, it was not a normal house, but an eerie underground cave!

That's right, almost all of the rooms were constructed of huge bluestone, and the ceiling was made from solid ground!

Xia Ling and Xia Yanning were walking in this underground cave