Nitrous

Level 1 of the Dungeon
[Shop] Zeulavo's Assorted Antiques
  a potion of curing (72 gold)
  a staff of earth (600 gold)
  a +0 short sword (72 gold)
  a scroll of revelation (180 gold)
  a scroll of identify (48 gold)
  a scroll of identify (48 gold)
  a potion of might (96 gold)
(0, 0, D:1)
  a +0 hand axe
(3, 26, D:1)
  a +0 war axe
(28, 0, D:1)
  a +0 robe
(32, 5, D:1)
  6 stones
(36, 22, D:1)
  a +0 whip
(36, 26, D:1)
  2 stones
(38, 30, D:1)
  a +0 sling
(44, 14, D:1)
  5 stones
(53, 13, D:1)
  a +0 short sword
  5 stones
(54, 15, D:1)
  a +0 dagger
  5 stones

Level 2 of the Dungeon
[Shop] Afyroag's Jewellery Shop
  a ring of positive energy (280 gold)
  a talisman of death (1120 gold)
  the ring of the Mage {Wiz Archmagi} (714 gold)
    [ring of wizardry]
    
    Wiz:        It improves your spell success rate.
    Archmagi:   It increases the power of your magical spells.
  a ring of resist corrosion (280 gold)
  a ring of ice (350 gold)
  an amulet of reflection (420 gold)
  a +6 ring of intelligence (504 gold)
  a +4 ring of protection (504 gold)
  a +5 ring of evasion (504 gold)
  a +6 ring of strength (504 gold)
(0, 0, D:2)
  a +0 war axe
  3 boomerangs
  a +0 ring mail
(13, -7, D:2)
  a +0 whip
(13, 8, D:2)
  a +0 spear
(19, 12, D:2)
  a +0 dagger
(21, 4, D:2)
  a +0 short sword
(24, 6, D:2)
  a +0 club
(29, -3, D:2)
  a +0 dagger
(30, 40, D:2)
  a +0 dagger
(31, -10, D:2)
  a +0 whip
(31, -9, D:2)
  a +0 dagger

Level 3 of the Dungeon
(0, 0, D:3)
  a +0 mace
(4, -37, D:3)
  6 stones
(7, -9, D:3)
  a +0 leather armour
(9, -26, D:3)
  a +0 club
  5 poisoned darts
(9, 1, D:3)
  5 stones
(26, -20, D:3)
  a +0 robe
(26, 8, D:3)
  a +0 dagger
(28, 2, D:3)
  a +0 club
  a goblin corpse (skeletalised by now)
(34, -10, D:3)
  3 stones
  a +0 dagger
(47, -16, D:3)
  a +0 club
(52, 2, D:3)
  a +0 rapier
(66, -30, D:3)
  7 stones

Level 4 of the Dungeon
(0, 0, D:4)
  a hobgoblin corpse
(4, -3, D:4)
  3 datura-tipped darts
(4, 2, D:4)
  a scorpion corpse
(7, 9, D:4)
  a +0 mace
(28, 21, D:4)
  a +0 flail
  9 gold pieces
  an orc corpse (skeletalised by now)
(31, 26, D:4)
  a +0 club
  a +0 club
(33, 23, D:4)
  a +0 whip
  3 boomerangs
(37, 25, D:4)
  a +0 whip
  a +0 leather armour
  an orc corpse (skeletalised by now)
(41, 18, D:4)
  a +0 leather armour
(48, 23, D:4)
  a +0 giant spiked club
  a +0 short sword