IndexError

Level 1 of the Dungeon
(0, 0, D:1)
  a +0 mace
(0, 4, D:1)
  5 stones
  a +0 short sword
(2, 20, D:1)
  a +0 robe
(6, -7, D:1)
  2 stones
(7, 4, D:1)
  a +0 dagger
(7, 19, D:1)
  a +0 dagger
(10, -1, D:1)
  a +0 dagger
(11, -2, D:1)
  a bat skeleton
(18, -4, D:1)
  a +0 club
(19, 5, D:1)
  a quokka skeleton
(26, 12, D:1)
  a +0 sling {Balvinder}
(28, 10, D:1)
  5 stones
  a +0 dagger
  a kobold skeleton
(31, 10, D:1)
  a rat skeleton
(33, 24, D:1)
  7 stones
(39, 22, D:1)
  4 boomerangs
(41, 22, D:1)
  a +0 spear
(42, 10, D:1)
  a stone
(50, 5, D:1)
  a +0 ring mail
(53, 16, D:1)
  a +0 trident

Level 2 of the Dungeon
[Shop] Ykajint's Jewellery Shop
  a ring of resist corrosion (280 gold)
  a flux talisman (350 gold)
  a +4 ring of protection (504 gold)
  an amulet of guardian spirit (420 gold)
  a ring of ice (350 gold)
  a +6 ring of intelligence (504 gold)
  an amulet of reflection (420 gold)
  an amulet of magic regeneration (420 gold)
[Shop] Wurchuopt's Weapon Shop
  a +0 falchion (36 gold)
  a +1 mace of venom (127 gold)
  the +3 war axe of the Warrior-Mage {drain, Str-5 Int+5 Dex+4} (440 gold)
    Str-5:      It affects your strength (-5).
    Int+5:      It affects your intelligence (+5).
    Dex+4:      It affects your dexterity (+4).
  6 poisoned darts (43 gold)
  a +0 war axe (42 gold)
  a +0 club (12 gold)
  the +2 falchion "Loc Xel" {flame, rF+ rC+ Str+3} (512 gold)
    Str+3:      It affects your strength (+3).
    rF+:        It protects you from fire.
    rC+:        It protects you from cold.
  a +0 sling (18 gold)
  a +0 sling (18 gold)
  a +0 spectral quarterstaff (144 gold)
  a +0 flail of protection (74 gold)
(0, 0, D:2)
  a +0 short sword
(7, -32, D:2)
  a bat corpse (skeletalised by now)
(14, -3, D:2)
  a ball python corpse
(18, -28, D:2)
  a rat skeleton
(18, -17, D:2)
  a quokka corpse (skeletalised by now)
(23, -27, D:2)
  a +0 chain mail
  the human skeleton of Terence
(24, -29, D:2)
  a +4 ring of protection
(24, -28, D:2)
  a +0 war axe
  a +0 leather armour
  an orc corpse
(26, -26, D:2)
  a +0 dagger
  a goblin corpse
(28, -18, D:2)
  a +0 club
(29, -21, D:2)
  a hound skeleton
(36, -28, D:2)
  a kobold skeleton
(38, -10, D:2)
  a hobgoblin corpse (skeletalised by now)
(39, -35, D:2)
  an amulet of the acrobat
(40, -19, D:2)
  a +0 short sword
  a stone
  a kobold skeleton
(40, -2, D:2)
  a +0 quarterstaff
(42, -21, D:2)
  a +0 buckler
(42, -5, D:2)
  a +0 short sword
(47, -5, D:2)
  3 stones
(51, -31, D:2)
  an amulet of faith {Faith, !P}

Level 3 of the Dungeon
(0, 0, D:3)
  a +0 dagger
(7, 16, D:3)
  a +0 trident
(7, 17, D:3)
  a +0 whip