Used to be a lair.

In front of you stands a large marble crypt adorned with engravings of a winged demon. Upon further inspection there seems to be no entrace but instead a wall carved into the shape of a demon's face. The stone face murmurs, over and over, "Open for th invited shall I open. Strangers beware, for a great evil lies beyond these walls." A chill breeze gusts by after hearing these words, and eyes seem to flicker in your direction from inside the walls. Through the shadows you hear an echoed whisper, "Tell me your secrets..."