Back Down Stairs

Having found a dead end on the second floor, you wonder what else you can find in this house that may be dead... or still alive.

Melty Spot on the Carpet

Even upon closer examination, you aren't sure what this spot is made of.  Your only other clue in the room is the identically shaped spot on the sealing... and the wet tap you just felt on the back of your neck.

Locked Door

This door, and quite frankly all of the other doors that you, yourself, did not leave open, is locked.  Like your current predicament, there is no escaping this.