IndexError

Level 1 of the Dungeon
(0, 0, D:1)
  a +0 club
(1, -10, D:1)
  a +0 chain mail
(3, -9, D:1)
  a +0 dagger
  a goblin corpse
(4, -8, D:1)
  a bat corpse
(30, -14, D:1)
  a ball python corpse
(32, -12, D:1)
  a bat corpse