+> d
+
+You are at one end of a vast hall stretching forward out of sight to
+the west. There are openings to either side. Nearby, a wide stone
+staircase leads downward. The hall is filled with wisps of white mist
+swaying to and fro almost as if alive. A cold wind blows up the
+staircase. There is a passage at the top of a dome behind you.
+
+Rough stone steps lead up the dome.
+
+> d
+
+You are in the Hall of the Mountain King, with passages off in all
+directions.
+
+A huge green fierce snake bars the way!
+
+> feed snake
+
+There's nothing here it wants to eat (except perhaps you).
+