Niddhogr

Level 1 of the Dungeon
(12, 36, D:1)
  a +0 club
(28, -4, D:1)
  a +0 club
(38, 35, D:1)
  a cursed +0 whip
(44, 28, D:1)
  a +0 club

Level 2 of the Dungeon
(2, -2, D:2)
  a +0 dagger
  a +0 robe
(2, 15, D:2)
  a +0 robe
(8, 2, D:2)
  44 stones
  a +0 club
(21, 4, D:2)
  a +0 great mace
  a +0 leather armour
(22, 46, D:2)
  10 stones
(25, 46, D:2)
  a +0 club
(30, 24, D:2)
  a +0 dagger
(32, 44, D:2)
  28 stones
(33, 30, D:2)
  6 sling bullets
(34, 19, D:2)
  a +0 club
(34, 23, D:2)
  a +0 club
(36, 32, D:2)
  a +0 dagger
(37, -3, D:2)
  a +0 leather armour
(46, 13, D:2)
  an uncursed ring of see invisible
(46, 29, D:2)
  a +0 robe

Level 3 of the Dungeon
(2, 30, D:3)
  a stone
(9, 23, D:3)
  a +0 dagger
(9, 32, D:3)
  a +0 chain mail
(10, 38, D:3)
  10 bolts
(15, -11, D:3)
  a +0 leather armour
  (unseen)
(16, -5, D:3)
  a +0 quarterstaff
(17, -2, D:3)
  27 stones
(17, 7, D:3)
  a +0 hand axe
  a +0 scale mail
(18, 27, D:3)
  a +0 short sword
  2 stones
  a +0 dagger
(20, -14, D:3)
  a potion of mutation
(20, 35, D:3)
  a +0 mace
  24 stones
(33, 24, D:3)
  a worm corpse
(35, 19, D:3)
  a rat corpse