The underground drain canal passed the wooden building and continued forward. The terrain ahead had a drop. The further it extended, the deeper the distance between the drain and upper ground. Reaching a position parallel to the building, Xia Lei could no longer use his X-ray vision to spy above ground. There was no light shining through the gaps ahead.

Fear was inevitable in a constricted place like this. One could not help themselves away from thoughts about potential unforeseeable doom. What if there was water coming his way? What if the ground collapsed and caved into the drain? Xia Lei was not spared from such terrifying worries, but it didn’t take long for him to adjust his mental space. 

He continued to crawl forward, choosing to stop in the middle of the same wooden building. There, he took out a fluorescent stick from his bag and twisted it lightly. The motion immediately allowed a weak glow to chase away the dark. With some form of light, his vision was no longer limited. 

There was a sewage culvert that was connected to the drain system from the direction of the wooden building. The branching piqued...