Niddhogr

Level 1 of the Dungeon
(10, -5, D:1)
  145 arrows
(19, 41, D:1)
  a +0 robe
(25, 27, D:1)
  a +0 club
(40, 13, D:1)
  a +0 club

Level 2 of the Dungeon
(4, 3, D:2)
  a +0 hand axe
(7, 9, D:2)
  a +0 quarterstaff
(12, 19, D:2)
  a +0 chain mail
(15, 0, D:2)
  a +0 mace
(18, 15, D:2)
  a +0 club
(21, 17, D:2)
  a +0 spear
(24, 26, D:2)
  a +0 club
(25, -2, D:2)
  a cursed -2 robe
(26, 21, D:2)
  a +0 club
  a +0 dagger
  a kobold corpse (skeletalised by now)
(29, 11, D:2)
  a +0 club
  a +0 leather armour
(29, 12, D:2)
  a +0 club

Level 3 of the Dungeon
(0, 0, D:3)
  10 gold pieces
(0, 6, D:3)
  a +0 club
(3, 1, D:3)
  16 gold pieces
(4, 4, D:3)
  a +0 club
  a hobgoblin skeleton
(18, 0, D:3)
  a +0 ring mail
(20, -2, D:3)
  192 bolts