Nithhogg

Level 1 of the Dungeon
(0, 0, D:1)
  a +0 dagger
(7, -15, D:1)
  29 stones
(7, -10, D:1)
  a +0 dagger
(9, -17, D:1)
  19 arrows
(12, 24, D:1)
  a +0 scale mail
(13, -3, D:1)
  15 stones
(15, -13, D:1)
  a +0 short sword
  3 stones
(15, -12, D:1)
  a +0 dagger
(29, 17, D:1)
  a +0 leather armour
(31, 19, D:1)
  a +0 short sword
(35, -6, D:1)
  24 stones
(38, 11, D:1)
  a +0 scale mail

Level 2 of the Dungeon
(0, 0, D:2)
  a +0 dagger
(0, 24, D:2)
  8 boomerangs
(1, 23, D:2)
  21 arrows
(5, -3, D:2)
  a +0 flail
  (unseen)
(15, -18, D:2)
  a +0 club
(16, -18, D:2)
  a +0 club
(16, 0, D:2)
  a +0 robe
(20, -12, D:2)
  a +0 helmet
(20, -6, D:2)
  25 arrows
(22, -14, D:2)
  25 bolts
(23, -13, D:2)
  a +0 dagger
  4 stones
(23, 22, D:2)
  a +0 leather armour
(26, -12, D:2)
  18 poisoned darts
(29, -6, D:2)
  24 arrows
(31, 13, D:2)
  a +0 leather armour
(36, -12, D:2)
  a +0 short sword
  10 poisoned darts
(38, -16, D:2)
  16 arrows

Level 3 of the Dungeon
(0, 0, D:3)
  a +0 short sword
  a +0 flail
  a +0 ring mail
(1, -1, D:3)
  a +0 dagger
  a +0 ring mail
(1, 2, D:3)
  a +0 dagger
  4 stones
(2, -45, D:3)
  a +0 dagger
  4 poisoned darts
(9, -20, D:3)
  22 arrows
(10, -55, D:3)
  a +0 mace
(11, -20, D:3)
  a +0 scale mail
(11, -18, D:3)
  a +0 leather armour
(11, 4, D:3)
  a +0 scale mail
  a +0 short sword
(25, -38, D:3)
  22 sling bullets
(30, -41, D:3)
  a +0 dagger
(31, -9, D:3)
  a +0 hand axe
(32, -10, D:3)
  a +0 mace
(32, -6, D:3)
  a +0 dagger
  a +0 robe
(32, 4, D:3)
  a +1 robe of fire resistance
(33, -7, D:3)
  a +0 trident
  a +0 leather armour
(39, -31, D:3)
  a +0 club
  a +0 leather armour
  a +0 club
  5 boomerangs
(39, -30, D:3)
  a +0 dagger
  a +0 robe
(41, -31, D:3)
  a +0 falchion
(42, -40, D:3)
  a +0 dagger
(46, -53, D:3)
  a +0 ring mail
(54, -7, D:3)
  a +0 mace

Level 4 of the Dungeon
(0, 0, D:4)
  9 gold pieces
(3, -2, D:4)
  12 gold pieces