C464 Secret Passage

With Ye Yang's participation, the Rat King searched even more diligently.

After searching for a long time, Ye Yang discovered that almost all of the walls in this corridor were made of large bluestone. The walls were smooth but a bit damp, and there was not even the slightest breeze in the air.

The sharp claws of the Rat King indeed played a big role when scratching on the wall