IndexError

Level 1 of the Dungeon
(0, 0, D:1)
  a bat skeleton
(0, 4, D:1)
  a +0 leather armour
(2, 25, D:1)
  a +0 ring mail
(7, 40, D:1)
  a +0 leather armour
(10, 11, D:1)
  a +0 leather armour
(17, 30, D:1)
  a +0 whip of distortion {!w}
(18, 10, D:1)
  5 stones
  a +0 short sword
(19, 10, D:1)
  a rat skeleton
(19, 12, D:1)
  a +0 dagger
(21, 25, D:1)
  a quokka skeleton
(22, 27, D:1)
  a quokka skeleton
(35, 26, D:1)
  a +0 dagger
  a goblin corpse (skeletalised by now)
(37, 41, D:1)
  a +0 whip
(38, 0, D:1)
  a +0 sling
(39, 12, D:1)
  a bat skeleton
(54, 27, D:1)
  5 stones
(60, -1, D:1)
  8 stones

Level 2 of the Dungeon
[Shop] Iteqanum's Weapon Emporium
  4 stones (4 gold)
  3 large rocks (54 gold)
  a +3 halberd of flaming (290 gold)
  a +0 falchion (36 gold)
  a +0 sling (18 gold)
  6 stones (7 gold)
  a +0 hand axe (36 gold)
  a +0 sling (18 gold)
  a +0 falchion (36 gold)
(0, 0, D:2)
  a rat corpse (skeletalised by now)
(1, 23, D:2)
  a frilled lizard corpse (skeletalised by now)
(7, -22, D:2)
  a +0 spear
(11, 28, D:2)
  a +0 hand axe
(14, -12, D:2)
  a +0 club
  a +0 sling
  a goblin skeleton
(14, -11, D:2)
  an adder skeleton
(23, 23, D:2)
  a +0 scale mail
(40, -1, D:2)
  an adder skeleton
(41, 24, D:2)
  a hobgoblin skeleton
(44, -10, D:2)
  a rat corpse (skeletalised by now)
(47, 21, D:2)
  a +0 robe
(57, -18, D:2)
  the felid corpse of Natasha (skeletalised by now)

Level 3 of the Dungeon
(0, 0, D:3)
  8 stones
(4, 23, D:3)
  a +0 dagger
(6, 24, D:3)
  a +0 ring mail
(10, -21, D:3)
  a +0 club
(11, -20, D:3)
  a +0 flail
  an orc corpse (skeletalised by now)
(14, 9, D:3)
  3 stones
(16, 11, D:3)
  a frilled lizard skeleton
(19, 5, D:3)
  4 stones
  a +0 dagger
  a kobold skeleton
(25, 0, D:3)
  a hobgoblin skeleton
(30, -14, D:3)
  a +0 short sword
(32, -6, D:3)
  a +0 leather armour
  a +0 whip
(32, -5, D:3)
  a +0 ring mail
  a +0 trident
  a +0 ring mail
  a +0 flail
  a +0 robe
  a +0 club
  an orc skeleton
  an orc skeleton
  an orc skeleton
(33, -5, D:3)
  a +0 club
  a goblin skeleton
(37, 17, D:3)
  a frilled lizard corpse (skeletalised by now)
(41, -13, D:3)
  a +0 dagger
(45, 4, D:3)
  a quokka skeleton
(46, 4, D:3)
  a quokka skeleton
(47, 19, D:3)
  a bat corpse (skeletalised by now)
(52, -6, D:3)
  a +0 trident

Level 4 of the Dungeon
(0, 0, D:4)
  a poisoned dart
(3, 11, D:4)
  12 gold pieces
(4, 0, D:4)
  2 poisoned darts
(8, 11, D:4)
  a wand of polymorph (11)
(11, 5, D:4)
  a +0 ring mail
(12, 5, D:4)
  a potion of heal wounds