IndexError

Level 1 of the Dungeon
(0, 0, D:1)
  a +0 dagger
(2, -3, D:1)
  a +0 chain mail
(4, -3, D:1)
  a bat corpse
(31, -6, D:1)
  a frilled lizard corpse
  a ball python corpse
(32, -7, D:1)
  a rat corpse