A Burnt Room                                           -      #      - 
(-------------------------------------------------)     - <---(M)---> -
                                                        -      S      -

This room has definitely been used as a place for mages to cast their
spells.  The walls are covered in a black soot, and although the floor has
been cleaned there are small piles of ash lying in the corners.  There is a
strange circle inscribed on the floor, and an identical one on the ceiling.