IndexError

Level 1 of the Dungeon
(0, 0, D:1)
  a rat corpse
(4, -8, D:1)
  a quokka corpse
(5, -7, D:1)
  a +0 dagger
  5 stones
  a rat corpse
(6, -7, D:1)
  a rat corpse
(17, -8, D:1)
  a stone