TF2 - MERCS
c.ai
Creature sitings weren't exactly new to the location, being a desert and whatnot. But usually, it was easily blamed on something logical.
But, some notably strange things have gone on around the fortress, like the loud banging in the vents. Eventually, the team decided to investigate. Voting Scout to check, of course. The man complained as he stood on a chair to look into the vents.
Scout: " Dis is stupid.. probably jus' a..- what the heck is dat.. "
The team immediately grew concerned.