Nithhogg

Level 1 of the Dungeon
(0, 0, D:1)
  5 stones
(6, -2, D:1)
  2 stones
(9, -13, D:1)
  a +1 short sword of speed
(10, 22, D:1)
  an orb of mayhem
(30, 6, D:1)
  5 stones
(31, -10, D:1)
  a +0 whip
(33, 14, D:1)
  a +0 club
(49, 24, D:1)
  a +0 helmet
(49, 30, D:1)
  a +0 mace
(52, -3, D:1)
  a +0 club
(56, 28, D:1)
  a +0 whip
  5 stones
(64, 20, D:1)
  a +0 mace

Level 2 of the Dungeon
(0, 0, D:2)
  a +0 short sword
(0, 29, D:2)
  a +0 scale mail
(4, 27, D:2)
  3 stones
(6, 15, D:2)
  4 curare-tipped darts
(7, 13, D:2)
  a +0 dagger
(7, 14, D:2)
  a +0 short sword
(15, -4, D:2)
  a +0 ring mail
(18, 26, D:2)
  a +0 spear
(20, -2, D:2)
  a +0 scale mail
(21, -8, D:2)
  a +0 spear
(22, -9, D:2)
  a +0 club
(22, -8, D:2)
  a +1 vampiric whip
(23, -7, D:2)
  a +0 halberd
(38, -3, D:2)
  a +0 ring mail

Level 3 of the Dungeon
(0, 0, D:3)
  a +0 trident
(1, 1, D:3)
  a +0 ring mail
  a +0 dagger
(2, 0, D:3)
  a +0 flail
(7, -22, D:3)
  a +0 chain mail
(10, -6, D:3)
  a +0 flail of draining
(18, -13, D:3)
  a +0 leather armour
(25, -13, D:3)
  a +0 leather armour
  a +0 dagger
(25, -11, D:3)
  a +0 leather armour
(32, -23, D:3)
  a +0 club
  2 stones
(42, -20, D:3)
  a +0 robe
(43, -10, D:3)
  a +0 leather armour
  a +0 mace
(43, 0, D:3)
  2 stones
(44, -10, D:3)
  a +0 leather armour
  a +0 short sword
  a +0 falchion
  a +0 chain mail
  a +0 club
(47, 26, D:3)
  a +0 short sword
(48, 26, D:3)
  3 stones
(53, 28, D:3)
  a +0 spear

Level 4 of the Dungeon
[Shop] Wittotuw's Assorted Antiques
  a +0 club (27 gold)
  a potion of flight (81 gold)
  a +0 flail (94 gold)
  a +0 ring mail (108 gold)
(0, 0, D:4)
  a +0 leather armour
(7, -38, D:4)
  a +0 robe
(10, -43, D:4)
  3 stones
(12, -33, D:4)
  a +0 leather armour
  a +0 club
(14, -28, D:4)
  7 stones
(28, -33, D:4)
  a +2 dagger of holy wrath
  a +0 sling
(34, -45, D:4)
  6 stones
(39, -24, D:4)
  2 stones
(40, 1, D:4)
  4 poisoned darts
(47, 5, D:4)
  the +2 sling of Chaos {heavy, Fly rElec}
    rElec:     It insulates you from electricity.
    Fly:       It grants you flight.
(52, -15, D:4)
  3 stones
(55, -34, D:4)
  a +0 dagger
  2 poisoned darts
(57, 0, D:4)
  6 stones

Level 5 of the Dungeon
(0, 0, D:5)
  a +0 rapier
(1, 6, D:5)
  4 stones
(5, 9, D:5)
  a +0 hand axe
(23, 3, D:5)
  a +0 trident
(29, 29, D:5)
  4 stones
(31, 38, D:5)
  a hound corpse (skeletalised by now)
(35, 41, D:5)
  the +1 dagger of Blind Justice {elec, rPois rCorr Str-2 SInv}
    Str:       It affects your strength (-2).
    rPois:     It protects you from poison.
    SInv:      It lets you see invisible.
    rCorr:     It protects you from acid and corrosion.
(40, 0, D:5)
  2 atropa-tipped darts
(41, 9, D:5)
  a +0 spear
(42, 10, D:5)
  a +0 club
  a +0 club
  a +0 whip
(44, 30, D:5)
  a +0 rapier

Level 6 of the Dungeon
(3, 3, D:6)
  a +0 trident of venom (still there?)
  a +0 ring mail (still there?)
(4, 3, D:6)
  a +0 whip