InvisibleDragon

Level 1 of the Dungeon
(0, 0, D:1)
  a bat corpse (skeletalised by now)
(1, 9, D:1)
  a bat corpse (skeletalised by now)
(1, 13, D:1)
  a +0 club
(5, 1, D:1)
  a +0 club
  a kobold corpse (skeletalised by now)
(8, 53, D:1)
  a +0 dagger
(11, 44, D:1)
  a +0 dagger
(13, 7, D:1)
  a +0 robe
(27, 4, D:1)
  a +0 club
(27, 14, D:1)
  a +0 club
(30, 34, D:1)
  a +0 dagger
(38, 11, D:1)
  3 javelins
(39, 17, D:1)
  a +0 club
(39, 21, D:1)
  a rat skeleton
(49, 48, D:1)
  a +0 dagger

Level 2 of the Dungeon
(5, -30, D:2)
  a frilled lizard corpse (skeletalised by now)
(5, -7, D:2)
  a ball python skeleton
(12, -7, D:2)
  a ball python skeleton
(13, -22, D:2)
  a +0 dagger
  a +0 robe
(18, -12, D:2)
  6 poisoned darts
(20, -18, D:2)
  a +0 club
(21, -35, D:2)
  a +0 club
(21, -34, D:2)
  a bat corpse (skeletalised by now)
(21, -5, D:2)
  a +0 ring mail
(29, -4, D:2)
  a hobgoblin skeleton
(36, -27, D:2)
  a bat corpse (skeletalised by now)
(42, -6, D:2)
  a +0 club
(43, -28, D:2)
  a +0 whip
(43, -2, D:2)
  a bat corpse (skeletalised by now)
(44, 4, D:2)
  a bat corpse (skeletalised by now)
(47, 4, D:2)
  a +0 dagger
  a goblin corpse (skeletalised by now)

Level 3 of the Dungeon
(0, 0, D:3)
  a +0 scale mail
(4, -2, D:3)
  a bat skeleton
(18, -31, D:3)
  a bat skeleton
(21, -25, D:3)
  a +0 dagger
  a goblin skeleton
(22, -3, D:3)
  a rat skeleton
(37, -17, D:3)
  a +0 dagger
(38, -23, D:3)
  a quokka skeleton
(59, -11, D:3)
  a quokka corpse (skeletalised by now)

Level 4 of the Dungeon
(1, -7, D:4)
  a +0 chain mail
(6, -4, D:4)
  an orb of glass
  (unseen)
(8, 3, D:4)
  the +4 ring mail of Gravity {Str+2}
    Str+2:     It affects your strength (+2).
    
    It cannot be enchanted further.
(12, -19, D:4)
  a throwing net
(13, -17, D:4)
  a +0 short sword