Nithhogg

Level 1 of the Dungeon
(0, 0, D:1)
  17 stones
(10, 18, D:1)
  a +0 robe
(12, 3, D:1)
  a +1 barding
(36, 7, D:1)
  a +0 leather armour
(45, -15, D:1)
  a +0 dagger
(48, 10, D:1)
  a +0 mace

Level 2 of the Dungeon
(0, 0, D:2)
  6 large rocks
(4, -1, D:2)
  a staff of death
(11, 13, D:2)
  25 stones
(19, 14, D:2)
  a +0 long sword
(22, 24, D:2)
  a +0 short sword
(24, 4, D:2)
  a +0 mace
(28, -15, D:2)
  18 stones
(28, 20, D:2)
  a +0 hunting sling
(32, -12, D:2)
  a +0 pair of gloves
(34, -19, D:2)
  15 stones
(34, -8, D:2)
  a +0 club
  3 stones
(34, -5, D:2)
  15 stones
(47, -26, D:2)
  a +0 hand axe
(52, 15, D:2)
  a +0 whip

Level 3 of the Dungeon
(5, 35, D:3)
  a +0 club
  a +0 flail
  a +0 flail
  a +0 dagger
  a +0 ring mail
(11, 35, D:3)
  18 stones (still there?)
  a +0 vorpal hunting sling (still there?)
  a +0 dagger (still there?)
(12, 35, D:3)
  a +0 club
  a +0 dagger
(14, 35, D:3)
  a +0 mace
  (unseen)
(17, 35, D:3)
  21 stones
(35, 34, D:3)
  a +0 dagger
(43, 25, D:3)
  a +0 dagger
  a +0 hunting sling
  32 stones

Level 4 of the Dungeon
(0, 0, D:4)
  a +0 robe
(2, 15, D:4)
  a scroll of holy word
(16, 2, D:4)
  a +0 shortbow
  32 arrows
(22, 6, D:4)
  12 bolts
  a +0 short sword of venom
  a +0 hand crossbow
(23, 4, D:4)
  a +0 short sword
(25, 2, D:4)
  a +0 club
  a +0 club
  a +0 dagger
  a +0 dagger
(25, 4, D:4)
  a +0 helmet
  a +0 animal skin
  a +0 trident
(25, 9, D:4)
  21 bolts
(25, 12, D:4)
  a +0 club
(26, 1, D:4)
  a +0 club
(27, -3, D:4)
  a +0 robe
(27, 1, D:4)
  a +0 dagger