A Dark Tunnel                                          -      #      - 
(-------------------------------------------------)     - <---(M)---> #
                                                        -      -      -

You are inside a dark, narrow tunnel hidden within Vendredi Castle.  The
walls allow no light to enter this tunnel, although the floor is covered
with ash so you suspect that there were once torches upon the walls.  There
is something strange about the northern wall of this tunnel.