IndexError

Level 1 of the Dungeon
(0, 0, D:1)
  a rat skeleton
(1, 1, D:1)
  a rat skeleton
(2, -3, D:1)
  a +0 helmet
  8 stones
(5, -15, D:1)
  a +0 dagger of speed
(6, -1, D:1)
  a +0 mace
(7, 3, D:1)
  7 stones
(10, 23, D:1)
  a hobgoblin corpse (skeletalised by now)
(11, 9, D:1)
  a +0 short sword
  a stone
(13, 2, D:1)
  a +0 club
  a goblin skeleton
(14, 22, D:1)
  a +0 dagger
  3 stones
  a kobold corpse (skeletalised by now)
(23, 24, D:1)
  a +0 dagger
(27, 6, D:1)
  a frilled lizard corpse (skeletalised by now)
(30, -8, D:1)
  a hobgoblin skeleton
(32, -10, D:1)
  a frilled lizard skeleton
(32, -8, D:1)
  a stone
  a +0 dagger
  a kobold skeleton
(43, -4, D:1)
  a +0 helmet
(47, 17, D:1)
  a bat skeleton

Level 2 of the Dungeon
(0, 0, D:2)
  a +0 dagger
(8, 18, D:2)
  a stone
(9, 15, D:2)
  2 poisoned darts
(10, 6, D:2)
  a +0 club
(11, 21, D:2)
  a jackal skeleton
(12, 14, D:2)
  a quokka corpse (skeletalised by now)
(12, 22, D:2)
  a jackal skeleton
(13, 21, D:2)
  a +0 club
(14, 25, D:2)
  a quokka skeleton
(34, 12, D:2)
  a +0 robe
(38, 12, D:2)
  a hobgoblin corpse (skeletalised by now)
(38, 28, D:2)
  an adder skeleton
(41, 18, D:2)
  5 stones
(46, 30, D:2)
  6 stones

Level 3 of the Dungeon
[Shop] Ycroarche's Weapon Shoppe
  6 stones (8 gold)
  a +0 rapier of speed (259 gold)
  a +0 dagger (28 gold)
  3 boomerangs (84 gold)
  a +0 long sword (49 gold)
  a +0 dagger (28 gold)
  a +0 quarterstaff (70 gold)
  a +0 hand axe (42 gold)
  a +2 shortbow of flaming (243 gold)
(2, -4, D:3)
  a rat corpse (skeletalised by now)
(3, 2, D:3)
  a +0 ring mail
(11, 15, D:3)
  a +0 ring mail
(11, 39, D:3)
  a +0 hand axe
(14, 35, D:3)
  a ribbon worm corpse
(15, 39, D:3)
  a human corpse