IndexError

Level 1 of the Dungeon
(0, 0, D:1)
  a hobgoblin corpse (skeletalised by now)
(3, 12, D:1)
  a +0 whip
  a kobold corpse (skeletalised by now)
(9, 22, D:1)
  a +0 dagger
  a ball python corpse (skeletalised by now)
(10, 1, D:1)
  a quokka corpse (skeletalised by now)
(10, 12, D:1)
  a bat corpse (skeletalised by now)
(11, -6, D:1)
  a +0 sling
(11, 3, D:1)
  a +0 dagger
(16, 19, D:1)
  a hobgoblin skeleton
(18, 4, D:1)
  a +0 club
  a hobgoblin corpse (skeletalised by now)
  a goblin skeleton
(24, -14, D:1)
  a +0 robe
(26, -14, D:1)
  a +0 mace
(30, -18, D:1)
  a rat corpse (skeletalised by now)
(31, -18, D:1)
  a +0 short sword
  a ball python skeleton
(45, 0, D:1)
  a +0 short sword
  4 stones
  a kobold skeleton

Level 2 of the Dungeon
(0, 0, D:2)
  a +0 ring mail
(2, -18, D:2)
  a +0 hand axe
(4, -5, D:2)
  a rat skeleton
(14, -2, D:2)
  a +0 scale mail
  a +0 short sword
(16, -19, D:2)
  a +0 trident
(17, -14, D:2)
  a bat skeleton
(19, -12, D:2)
  a ball python skeleton
(22, 4, D:2)
  a +0 dagger
(22, 6, D:2)
  a +0 spear
(24, 4, D:2)
  an adder skeleton
(24, 5, D:2)
  a +0 dagger
  a +0 club
  a goblin skeleton
(26, 4, D:2)
  a +0 dagger
  a goblin skeleton
(27, 3, D:2)
  a +0 club
  a goblin skeleton
(29, 3, D:2)
  a +0 helmet
  a +0 animal skin
  a +0 mace
  the hobgoblin skeleton of Robin
(30, -12, D:2)
  a +0 ring mail
(36, 3, D:2)
  a +0 club
  a goblin skeleton

Level 3 of the Dungeon
(0, 0, D:3)
  a +0 robe
(6, -6, D:3)
  a +0 short sword
(8, 26, D:3)
  a +0 robe
(19, -13, D:3)
  an adder skeleton
(20, -25, D:3)
  a +0 ring mail
(22, -10, D:3)
  a +0 dagger
(25, -8, D:3)
  a +0 short sword
  a kobold skeleton
(27, 22, D:3)
  a +0 dagger
  a kobold skeleton
(28, 7, D:3)
  a +0 short sword
  a kobold skeleton
(32, -11, D:3)
  a +0 whip
(32, -10, D:3)
  a +0 dagger
  a +0 ring mail
  an orc skeleton
(32, -9, D:3)
  a +0 club
(33, 19, D:3)
  a +0 robe
(39, -4, D:3)
  a +0 plate armour
(57, -4, D:3)
  a +0 falchion
(57, 29, D:3)
  a +0 club
(59, 2, D:3)
  a +0 whip
(63, -6, D:3)
  a bat corpse (skeletalised by now)

Level 4 of the Dungeon
[Shop] Zin's Purification Station
  a potion of curing (135 gold)
(0, 0, D:4)
  a +0 robe
(12, -2, D:4)
  a +0 halberd
  a +0 robe
(16, -1, D:4)
  a +5 falchion
  a +0 robe
(17, 8, D:4)
  a +0 club
(18, -1, D:4)
  a +3 spear
  a +0 robe
(18, 8, D:4)
  an orb of guile
(40, -1, D:4)
  an adder corpse (skeletalised by now)
(44, 7, D:4)
  a +0 whip
(61, 23, D:4)
  a quokka corpse (skeletalised by now)
(62, 6, D:4)
  a hobgoblin corpse (skeletalised by now)