IndexError

Level 1 of the Dungeon
[Shop] Teniadai's Antique Weapon Shoppe
  the +8 autumn katana {manifold assault} (1212 gold)
  a +0 hand axe (72 gold)
  a +0 broad axe of venom (307 gold)
  a +0 club (12 gold)
  a +0 hand axe (72 gold)
  a +0 dagger (48 gold)
  a +0 hand axe (72 gold)
  a +0 mace (72 gold)
(4, 1, D:1)
  a quokka corpse (skeletalised by now)
(14, -7, D:1)
  a frilled lizard corpse (skeletalised by now)
(17, -11, D:1)
  a hobgoblin skeleton
(18, -10, D:1)
  a +0 club
  a goblin skeleton
(24, -8, D:1)
  a +0 club
  a goblin skeleton
(25, -30, D:1)
  a rat corpse (skeletalised by now)
(25, -15, D:1)
  a +0 club
(29, -6, D:1)
  a +0 leather armour
(33, -15, D:1)
  a +0 dagger
  a goblin skeleton
(36, -15, D:1)
  a bat skeleton
(38, -26, D:1)
  a hobgoblin skeleton
(41, -26, D:1)
  a +0 ring mail
(43, -18, D:1)
  a +0 scale mail
(44, -26, D:1)
  a +0 club
  a goblin skeleton

Level 2 of the Dungeon
(5, -31, D:2)
  a +0 short sword
  5 stones
(54, -21, D:2)
  a ball python corpse (skeletalised by now)
(61, -21, D:2)
  a +0 dagger

Level 3 of the Dungeon
(0, 0, D:3)
  a bat corpse (skeletalised by now)
(3, 29, D:3)
  a +0 short sword
(3, 35, D:3)
  a ball python corpse (skeletalised by now)
(4, 48, D:3)
  a +0 dagger
(9, 36, D:3)
  a +0 leather armour
(32, 41, D:3)
  a +0 robe

Level 4 of the Dungeon
(28, 8, D:4)
  a +0 whip

Level 5 of the Dungeon
(0, 0, D:5)
  a +0 dagger
(7, -3, D:5)
  a hound corpse (skeletalised by now)
(37, 6, D:5)
  a +0 leather armour
(45, -18, D:5)
  a +0 scale mail
(47, -34, D:5)
  a +0 trident

Level 6 of the Dungeon
(0, 0, D:6)
  a +0 hand axe
  a boomerang
  an orc corpse
(3, -2, D:6)
  a +0 pair of boots of flying
(4, 13, D:6)
  an adder corpse
(15, 13, D:6)
  a +0 scale mail
(18, 6, D:6)
  a book of the Senses