The issue started almost 12 days ago.

On the first floor, of the challengers who went in, only some made it back, severely injured, traumatised and unable to speak.

The B-rankers who went to check what was happening, only two out of ten returned. One had a missing arm, and the other, an archer with several severe injuries, had inexplicably gone deaf. 

The one missing limb who specialised in using daggers, darts and poisons was then interviewed, and he explained everything. 

In the dungeon’s first floor, it turns out all the beasts had unexpectedly gone beyond the capacity of even a B-ranker. Once the door of the dungeon was shut,...