Niddhogr

Level 1 of the Dungeon
(0, 0, D:1)
  18 stones
(2, -8, D:1)
  a +0 leather armour
(10, 5, D:1)
  a +0 ring mail
(15, -13, D:1)
  a +0 club
(17, 1, D:1)
  a +0 ring mail
(22, 1, D:1)
  a +0 whip
  a +0 club
(22, 9, D:1)
  a +0 dagger
(23, -11, D:1)
  a +0 club
(23, 0, D:1)
  a +0 club
(23, 10, D:1)
  2 stones
(26, 5, D:1)
  a +0 chain mail
(28, 20, D:1)
  10 sling bullets
(31, 20, D:1)
  a +0 leather armour
(34, 19, D:1)
  a +0 ring mail
(35, -14, D:1)
  a +0 dagger
(36, 11, D:1)
  a +0 dagger of flaming
(38, -19, D:1)
  a +0 hand axe
(38, 10, D:1)
  a +0 club
(38, 11, D:1)
  a +0 club
  a +0 dagger
(41, 11, D:1)
  a stone
(42, 30, D:1)
  7 arrows
(48, -7, D:1)
  a +0 dagger
(51, 11, D:1)
  a +0 robe

Level 2 of the Dungeon
(0, 0, D:2)
  a +0 whip
(1, -6, D:2)
  30 stones
(4, 17, D:2)
  24 sling bullets
(7, 15, D:2)
  an uncursed ring of loudness
(15, -2, D:2)
  a +0 dagger
(16, -2, D:2)
  a +1 mace of protection
  a +0 animal skin
  a +0 helmet
(17, -2, D:2)
  a +0 dagger
(19, 7, D:2)
  a +0 robe
  (unseen)
(21, 13, D:2)
  a +0 club
  a +0 dagger
  a +0 hunting sling
  21 stones
(22, 5, D:2)
  12 stones
(31, -13, D:2)
  a +0 dagger
(38, 0, D:2)
  35 stones
(40, 19, D:2)
  a +0 scale mail
(42, -24, D:2)
  a stone
(45, -1, D:2)
  27 arrows
(47, 0, D:2)
  7 poisoned needles
(50, -2, D:2)
  2 stones
(51, -3, D:2)
  a +0 dagger
(51, 6, D:2)
  a +0 hunting sling

Level 3 of the Dungeon
(0, 0, D:3)
  a +0 mace
(1, 1, D:3)
  a +4 quarterstaff of chaos
(4, -10, D:3)
  a +1 dagger of protection
(6, -10, D:3)
  26 bolts
(8, -42, D:3)
  a +0 scale mail
(8, -26, D:3)
  a +0 whip
(9, -47, D:3)
  a +0 whip
(27, -2, D:3)
  29 bolts
(28, -22, D:3)
  a +0 trident
(29, -49, D:3)
  a +0 scale mail
(29, -22, D:3)
  a +2 hand axe of holy wrath
  a +0 ring mail
  a +1 whip of venom
(30, -22, D:3)
  a +0 flail
  a +0 hand axe
  a +0 chain mail
  a +0 hand axe
  a +0 ring mail
(31, -37, D:3)
  a +0 club
  a cursed +0 robe
(37, -28, D:3)
  2 stones

Level 4 of the Dungeon
(0, 0, D:4)
  a ball python corpse (skeletalised by now)
(0, 12, D:4)
  17 stones
(2, 7, D:4)
  a +0 spear
(8, -7, D:4)
  a +0 hunting sling
(8, 7, D:4)
  a +0 robe
(8, 26, D:4)
  17 arrows
(17, 0, D:4)
  a +0 hand axe
(17, 1, D:4)
  a +0 hand axe
(20, 17, D:4)
  a +0 chain mail
(23, -6, D:4)
  a +0 spear
(29, -13, D:4)
  a +0 quarterstaff
(32, 0, D:4)
  a cursed -3 short sword
  a +0 chain mail
(32, 1, D:4)
  a +1 dagger of flaming
  a +0 robe

Level 5 of the Dungeon
(0, 0, D:5)
  an arrow
(4, 22, D:5)
  a scroll of teleportation
  a scroll of random uselessness
  a scroll of blinking
(4, 23, D:5)
  a hound skeleton
(5, 23, D:5)
  a worker ant corpse
(15, 22, D:5)
  a scroll of teleportation
(24, 25, D:5)
  an adder corpse