Nitrous

Level 1 of the Dungeon
(0, 0, D:1)
  a +0 dagger
(13, -27, D:1)
  7 stones
(32, -13, D:1)
  a +0 club
(44, 0, D:1)
  7 stones
(47, -11, D:1)
  7 stones
(50, -15, D:1)
  a +0 dagger

Level 2 of the Dungeon
(0, 0, D:2)
  a +0 hand axe
(4, 25, D:2)
  a +0 ring mail
(5, 17, D:2)
  a +0 long sword
(7, 0, D:2)
  a +0 robe
(13, 20, D:2)
  a +0 club
(15, 39, D:2)
  a +0 ring mail
(23, 7, D:2)
  a +0 club
(23, 19, D:2)
  a +0 trident
(32, 33, D:2)
  9 stones
(42, 11, D:2)
  a flux talisman
(45, 15, D:2)
  a +2 vampiric dagger
(48, 22, D:2)
  a +0 leather armour
(54, 3, D:2)
  a +0 war axe
(56, 7, D:2)
  3 poisoned darts
(63, 0, D:2)
  7 stones

Level 3 of the Dungeon
[Shop] Keur's Antique Armour Shop
  a +0 scale mail (88 gold)
  a +3 plate armour of cold resistance (990 gold)
  a +0 robe (15 gold)
  a +0 pair of gloves (99 gold)
  a +0 scale mail (88 gold)
  a +0 leather armour (44 gold)
  a +0 robe (15 gold)
  a +0 chain mail (99 gold)
  a +0 leather armour (44 gold)
  a +0 scale mail (88 gold)
(0, 0, D:3)
  a beast talisman
(2, 26, D:3)
  a +0 club
(14, -1, D:3)
  a +0 dagger
(22, 17, D:3)
  4 stones
(28, 19, D:3)
  a +0 dagger
(32, -2, D:3)
  a +0 short sword
(33, -9, D:3)
  a +0 whip
  5 stones
(33, -3, D:3)
  a +0 mace
  a +0 scale mail
(33, -1, D:3)
  a +0 trident
  a +0 leather armour
(33, 0, D:3)
  a +0 club
  a +1 heavy hand axe
(36, 19, D:3)
  a +0 short sword

Level 4 of the Dungeon
(1, -23, D:4)
  a +0 mace
(1, 2, D:4)
  a ring of ice
(2, -14, D:4)
  an adder corpse
(9, -16, D:4)
  7 gold pieces