Nithhogg

Level 1 of the Dungeon
(0, 0, D:1)
  a +0 club
(2, -5, D:1)
  2 poisoned darts
(3, 18, D:1)
  a +0 sling
(12, 16, D:1)
  a +0 scale mail
(14, 19, D:1)
  a +0 dagger
(24, -2, D:1)
  a +0 dagger
  2 stones
(29, 7, D:1)
  a +0 chain mail
(37, 19, D:1)
  a +0 short sword
  3 stones
(45, 50, D:1)
  a +0 spear
(57, 36, D:1)
  a +0 short sword
  3 stones

Level 2 of the Dungeon
(0, 0, D:2)
  a +0 whip
(1, -1, D:2)
  a +0 dagger
  a +0 ring mail
(2, -21, D:2)
  a +0 dagger
(2, 1, D:2)
  a +0 dagger
(8, 13, D:2)
  a +0 dagger
(12, -29, D:2)
  a +0 sling
(18, 13, D:2)
  a +0 cloak

Level 3 of the Dungeon
(0, 0, D:3)
  2 boomerangs
(3, -1, D:3)
  a +0 flail
  a +0 leather armour
(4, -40, D:3)
  2 large rocks
(6, -2, D:3)
  5 stones
(13, -27, D:3)
  a +0 dagger
(14, -20, D:3)
  a +0 mace
  a +0 scale mail
(14, -19, D:3)
  a +0 ring mail
(19, -23, D:3)
  a +0 spear
(24, -28, D:3)
  a +0 dagger

Level 4 of the Dungeon
(1, -9, D:4)
  a +0 leather armour
(8, -18, D:4)
  a +0 dagger
(8, -17, D:4)
  a +0 flail
  a +0 war axe
(8, -16, D:4)
  a +0 dagger
  a +0 robe
(20, 23, D:4)
  a +0 trident
(22, 24, D:4)
  a +1 antimagic spear
(23, 24, D:4)
  a +0 flail
(25, 21, D:4)
  a +0 club
  a +0 leather armour
(26, 21, D:4)
  a +0 halberd
(27, 21, D:4)
  a +0 whip
(33, 9, D:4)
  a +0 club
(39, -7, D:4)
  5 stones
(49, 17, D:4)
  a +0 dagger

Level 5 of the Dungeon
(0, 0, D:5)
  a ring of see invisible
(5, 1, D:5)
  a +0 club
  a +0 chain mail
  28 gold pieces
(7, -2, D:5)
  an adder corpse
(7, 0, D:5)
  a +0 short sword
  a +0 leather armour
  the elf corpse of Duvessa
(32, -29, D:5)
  a black bear corpse (skeletalised by now)