Nithhogg

Level 1 of the Dungeon
(0, 0, D:1)
  a +0 dagger
(1, -9, D:1)
  a +0 ring mail
(8, -12, D:1)
  a +0 dagger
(10, 8, D:1)
  a +0 hunting sling
(19, 12, D:1)
  21 stones
(21, 2, D:1)
  21 stones
(28, 23, D:1)
  a +0 dagger
(40, -15, D:1)
  a +0 dagger
(46, -18, D:1)
  13 poisoned darts
(47, 16, D:1)
  28 stones

Level 2 of the Dungeon
(0, 0, D:2)
  a +0 club
(5, 17, D:2)
  24 stones
(23, 41, D:2)
  a +0 short sword
(30, -4, D:2)
  a +0 battleaxe
(33, 33, D:2)
  a +0 whip
(41, 38, D:2)
  a +0 dagger
(42, 38, D:2)
  a +0 club
  a +0 club
  a +0 club
  a +0 club
(43, 40, D:2)
  a +0 spear
  a +0 animal skin
  a +0 helmet
(46, 26, D:2)
  (unseen)
(54, -2, D:2)
  a +0 robe

Level 3 of the Dungeon
(0, 0, D:3)
  20 stones
(21, -9, D:3)
  a +0 dagger
(28, 1, D:3)
  a +0 dagger of venom
  a stone
(31, -20, D:3)
  21 arrows
(31, -13, D:3)
  23 stones
(32, -6, D:3)
  a +0 pair of boots
(34, -10, D:3)
  15 sling bullets
(39, -26, D:3)
  a +0 short sword
  a +0 short sword
(44, -15, D:3)
  a +0 short sword
(48, -15, D:3)
  20 bolts

Level 4 of the Dungeon
(0, 0, D:4)
  a +0 mace
  an orc corpse
(6, -3, D:4)
  a scorpion corpse