Nithhogg

Level 1 of the Dungeon
(0, 0, D:1)
  a frilled lizard corpse (skeletalised by now)
(2, 13, D:1)
  a +0 leather armour
(5, 15, D:1)
  a +0 dagger
(24, 26, D:1)
  a +0 short sword
  a rat corpse (skeletalised by now)
(25, 25, D:1)
  a bat corpse (skeletalised by now)
(28, 10, D:1)
  a ball python corpse (skeletalised by now)
(33, 2, D:1)
  16 arrows
(36, 30, D:1)
  a +0 club
(37, 1, D:1)
  15 arrows
(39, 24, D:1)
  a +0 club
(41, -5, D:1)
  a +0 dagger
(48, 21, D:1)
  a +0 club

Level 2 of the Dungeon
(0, 0, D:2)
  a dart slug corpse
(13, -2, D:2)
  a frilled lizard corpse
(32, -4, D:2)
  2 gold pieces
(36, -17, D:2)
  a bat corpse

Level 3 of the Dungeon
(0, 0, D:3)
  a scroll of identify

Level 4 of the Dungeon
(0, 0, D:4)
  a scroll of fear
(3, 3, D:4)
  a potion of lignification