IndexError

Level 1 of the Dungeon
(0, 0, D:1)
  6 stones
(1, -2, D:1)
  a +0 short sword
(4, -9, D:1)
  a +0 hand axe
(6, -8, D:1)
  a +0 dagger
(11, -8, D:1)
  a +0 club
  a +0 short sword
  7 stones
(14, -24, D:1)
  a +0 dagger
  a +0 short sword
(14, -22, D:1)
  a +0 dagger
(14, 6, D:1)
  a +0 whip
(25, -33, D:1)
  a +0 dagger
(29, -27, D:1)
  a +0 club
(38, 1, D:1)
  a +0 short sword
(40, -24, D:1)
  a +0 spear
(41, -7, D:1)
  a +0 dagger
(43, -42, D:1)
  3 stones
(55, -38, D:1)
  a +0 short sword

Level 2 of the Dungeon
[Shop] Wyabb's Weapon Boutique
  a +0 trident (49 gold)
  8 stones (11 gold)
  a +0 spear (42 gold)
  a +0 whip (35 gold)
  a +0 hand axe (42 gold)
  a +0 flail (49 gold)
  a +0 spear (42 gold)
  a +0 short sword (42 gold)
  a +3 triple sword of holy wrath (490 gold)
  a +0 mace (42 gold)
(4, 4, D:2)
  3 stones
  a +0 whip
(5, 5, D:2)
  5 stones
(8, 1, D:2)
  a +0 club
(13, 22, D:2)
  a +0 club

Level 3 of the Dungeon
(0, 0, D:3)
  9 stones
(3, -35, D:3)
  a +0 club
(5, 5, D:3)
  a +0 spear
(27, -23, D:3)
  5 large rocks {!d}
(29, -35, D:3)
  a +0 dagger
(31, -24, D:3)
  a +0 dagger
(32, -33, D:3)
  4 poisoned darts
(35, -7, D:3)
  a +0 short sword

Level 4 of the Dungeon
(0, 0, D:4)
  an adder skeleton
(2, 17, D:4)
  a +0 club
  a goblin skeleton
(20, 0, D:4)
  a ball python corpse
(32, 26, D:4)
  a +0 short sword
(37, 22, D:4)
  a +0 club
(44, -9, D:4)
  10 gold pieces