Nithhogg

Level 1 of the Dungeon
(0, 0, D:1)
  a bat corpse (skeletalised by now)
(2, 4, D:1)
  a bat corpse (skeletalised by now)
(2, 33, D:1)
  a bat corpse (skeletalised by now)
(3, 25, D:1)
  a +0 dagger
(3, 33, D:1)
  a +0 dagger
  a goblin skeleton
(6, 9, D:1)
  a +0 club
(8, 26, D:1)
  a hobgoblin skeleton
(9, 26, D:1)
  a ball python skeleton
(18, 6, D:1)
  a rat corpse (skeletalised by now)
  a jackal corpse (skeletalised by now)
  a jackal corpse (skeletalised by now)
  a frilled lizard corpse (skeletalised by now)
(20, 43, D:1)
  a +0 robe
(24, 35, D:1)
  a +1 short sword of draining
  a kobold corpse (skeletalised by now)
(31, 41, D:1)
  a +0 robe
(32, 29, D:1)
  a +0 club
(35, 28, D:1)
  a beast talisman
(35, 30, D:1)
  a rat skeleton
(44, 29, D:1)
  a +0 dagger
(46, 47, D:1)
  a +0 buckler

Level 2 of the Dungeon
(0, 0, D:2)
  3 stones
(2, -9, D:2)
  a +0 ring mail
(10, 12, D:2)
  a frilled lizard skeleton
(10, 38, D:2)
  a ball python corpse (skeletalised by now)
(10, 39, D:2)
  a quokka corpse (skeletalised by now)
(20, 48, D:2)
  a +0 sling
(22, -2, D:2)
  a flux talisman
(36, -9, D:2)
  a hobgoblin corpse (skeletalised by now)
(40, 37, D:2)
  a ball python corpse (skeletalised by now)
(40, 38, D:2)
  a +0 club
(44, 6, D:2)
  6 stones
  a +0 plate armour
  a hobgoblin skeleton
(46, -8, D:2)
  5 stones
(46, 15, D:2)
  a rat skeleton
(47, 13, D:2)
  a +0 mace
(49, 48, D:2)
  a quokka corpse (skeletalised by now)
(54, 4, D:2)
  a hobgoblin corpse (skeletalised by now)

Level 3 of the Dungeon
(0, 0, D:3)
  a +0 club
  a kobold corpse (skeletalised by now)
(6, -13, D:3)
  a staff of conjuration
(7, -10, D:3)
  an adder corpse (skeletalised by now)
(7, -8, D:3)
  a +0 chain mail
(12, 14, D:3)
  2 stones
(18, 13, D:3)
  a +0 leather armour
(22, -2, D:3)
  a frilled lizard corpse (skeletalised by now)
(24, -20, D:3)
  a serpent talisman
(24, 13, D:3)
  a hobgoblin corpse (skeletalised by now)
(39, -15, D:3)
  a +0 dagger
(41, -15, D:3)
  a rat skeleton
(43, -20, D:3)
  3 boomerangs
(55, 30, D:3)
  a rat corpse (skeletalised by now)
(63, -11, D:3)
  a rat corpse (skeletalised by now)

Level 4 of the Dungeon
[Shop] Ryusaom's Antique Armour Emporium
  a +0 plate armour (529 gold)
  a +0 robe (16 gold)
  a +0 ring mail (92 gold)
  the +5 plate armour of Tartarus {rC++ Dex+3} (1812 gold)
    Dex+3:      It affects your dexterity (+3).
    rC++:       It greatly protects you from cold.
  a +0 leather armour (46 gold)
  a +0 scale mail (92 gold)
  a +0 plate armour (529 gold)
  a +0 pair of boots (103 gold)
  the +4 chain mail "Yret" {rPois Int+4 Stlth-} (982 gold)
    Int+4:      It affects your intelligence (+4).
    rPois:      It protects you from poison
    Stlth-:     It makes you less stealthy.
  a +0 robe (16 gold)
(1, -9, D:4)
  a +0 falchion
(36, -1, D:4)
  a scroll of poison
(43, -6, D:4)
  a ball python corpse
(44, -5, D:4)
  a hobgoblin corpse
(49, 4, D:4)
  a +0 club