C168 A Cursed University!(14)

The silence on the second floor was so profound that all four of them sensed that something was amiss.

They pulled out the dungeon record for another look.

"See this? It explicitly states that a boy died on the second floor, surrounded by poison gas, yet there's no trace of any odor. Could the lab be hermetically sealed?" World gestured to the sentence in the dungeon's background description