Niddhogr

Level 1 of the Dungeon
(0, 0, D:1)
  a +0 leather armour
(1, -10, D:1)
  a +0 club
  2 stones
(2, -5, D:1)
  a +0 dagger
(10, -25, D:1)
  a cursed -1 club
(14, -27, D:1)
  a +0 helmet
(14, 5, D:1)
  a +0 club
(15, -18, D:1)
  a +0 whip
(24, -12, D:1)
  a +0 dagger
(25, -33, D:1)
  a +0 spear
(26, -10, D:1)
  2 stones
(42, -10, D:1)
  a +0 leather armour
(43, -25, D:1)
  a +0 short sword
  3 stones
  a +0 club
(46, -23, D:1)
  a +0 mace
(48, 1, D:1)
  an uncursed ring of see invisible
  a +0 dagger
(54, -3, D:1)
  a +0 whip
(56, -17, D:1)
  a +0 club
(60, -19, D:1)
  a +0 short sword

Level 2 of the Dungeon
(2, 2, D:2)
  a +0 dagger
(6, 29, D:2)
  17 stones
(13, 9, D:2)
  a +0 ring mail
(14, 31, D:2)
  a +0 chain mail
(21, 32, D:2)
  a +0 short sword
  4 stones
(22, 2, D:2)
  a +0 chain mail
(27, 19, D:2)
  a goblin skeleton
(28, 40, D:2)
  a bat corpse (skeletalised by now)
(28, 41, D:2)
  a +0 dagger
  a goblin corpse (skeletalised by now)
(29, 33, D:2)
  a +0 club
(39, 15, D:2)
  a +0 chain mail
(41, 19, D:2)
  24 stones
(52, 5, D:2)
  a +2 dagger of flaming

Level 3 of the Dungeon
(0, 0, D:3)
  a rat corpse
(0, 1, D:3)
  a cursed +0 dagger
  a goblin corpse
(3, 2, D:3)
  a +0 dagger
  (unseen)
(3, 12, D:3)
  a scroll of enchant weapon
(6, -9, D:3)
  a scroll of identify
(7, -8, D:3)
  4 gold pieces
(8, -6, D:3)
  2 gold pieces