It was indeed an underground city from before the Great Destruction Era.
"Left side is safe," came the voice of Liu Jin at this moment.
Malin turned around, with Bippo peeking out from under the brim of his hat to help Malin watch his back, while Malin saw on the other side of the platform the spaces carved into the wall, which reminded him of shops.
"The ceiling is clean," Engma glanced over the ceiling, and was about to check the corridor entrance when a howl attracted everyone's attention.
Liu Jin immediately raised his gun toward the corridor entrance, where Cohen, who was coming down, placed a Spirit Sensing Lamp—if any spirits appeared on the upper floor, it would emit a red light.
Then he ran down and placed another one on the platform.
Cassie came to the entrance of the corridor, pulled out an illumination stick, threw it in, and quickly retreated.
