IndexError

Level 1 of the Dungeon
(0, 0, D:1)
  a beast talisman
(1, 2, D:1)
  an orb of light
(11, -8, D:1)
  a +0 sling
  8 stones
(14, -43, D:1)
  2 stones
(17, -5, D:1)
  16 gold pieces
(17, -4, D:1)
  5 poisoned darts
(17, -3, D:1)
  a potion of curing
(18, -5, D:1)
  a +0 ring mail
(18, -4, D:1)
  14 gold pieces
(18, -3, D:1)
  a potion of berserk rage
(19, -5, D:1)
  a +0 helmet
(19, -4, D:1)
  a scroll of identify
(19, -3, D:1)
  a +0 quarterstaff
(26, -43, D:1)
  a +0 long sword
(28, -16, D:1)
  a rat corpse (skeletalised by now)
(33, -11, D:1)
  a ball python corpse (skeletalised by now)
(34, -36, D:1)
  a bat skeleton
(37, -17, D:1)
  a +0 spear
(38, -4, D:1)
  a +0 club
(41, -27, D:1)
  a +0 dagger
  a goblin skeleton
(46, 10, D:1)
  a +0 dagger
(48, -14, D:1)
  a +0 sling
(48, -12, D:1)
  a book of Flames
(49, 7, D:1)
  a +0 robe
(50, -1, D:1)
  a bat skeleton
(53, -28, D:1)
  a +0 sling
(60, -30, D:1)
  a +0 dagger {Guillermo}
(60, -21, D:1)
  a stone
(61, -14, D:1)
  7 stones
(68, -21, D:1)
  2 stones

Level 2 of the Dungeon
[Shop] Nelehuism's Jewellery Emporium
  the ring "Irooshrud" {rF- Will- AC+4 Str+3 Slay+2 SInv} (709 gold)
    [ring of protection]
    
    rF-:        It makes you vulnerable to fire.
    Will-:      It decreases your willpower.
    AC+4:       It affects your AC (+4).
    Str+3:      It affects your strength (+3).
    Slay+2:     It affects your accuracy & damage with ranged weapons and melee
    (+2).
    SInv:       It lets you see invisible.
  an amulet of reflection (unknown) (420 gold)
  a beast talisman (280 gold)
  a +6 ring of dexterity (unknown) (504 gold)
  a ring of positive energy (unknown) (280 gold)
  a ring of magical power (unknown) (280 gold)
  a ring of flight (unknown) (245 gold)
  an amulet of reflection (unknown) (420 gold)
  a +4 ring of slaying (unknown) (504 gold)
  a ring of poison resistance (unknown) (280 gold)
(0, 0, D:2)
  a ball python corpse (skeletalised by now)
(9, 18, D:2)
  a scroll of enchant weapon
(12, -13, D:2)
  a +0 dagger
  3 stones
(18, 3, D:2)
  a +0 animal skin
(19, -4, D:2)
  a +0 club
(23, -19, D:2)
  3 stones
(27, 1, D:2)
  a +0 club
  a goblin corpse (skeletalised by now)
(34, 6, D:2)
  a frilled lizard corpse (skeletalised by now)
(48, -16, D:2)
  a hobgoblin corpse (skeletalised by now)
(48, -15, D:2)
  a hobgoblin corpse (skeletalised by now)