Mxyzptlk

Level 1 of the Dungeon
(0, 0, D:1)
  a +0 club
(1, -3, D:1)
  a bat corpse (skeletalised by now)
(2, 13, D:1)
  a bat corpse (skeletalised by now)
(7, 16, D:1)
  a +1 short sword of speed
(13, 3, D:1)
  a quill talisman
(14, 8, D:1)
  a hobgoblin skeleton
(14, 10, D:1)
  a ball python skeleton
  a bat skeleton
  a hobgoblin skeleton
(15, 15, D:1)
  a +0 helmet
(17, 35, D:1)
  4 stones
(21, 3, D:1)
  a +0 dagger
(25, 25, D:1)
  a +0 war axe
(25, 28, D:1)
  a +0 short sword
  a kobold corpse (skeletalised by now)
(26, 17, D:1)
  a +0 buckler
(26, 23, D:1)
  a frilled lizard skeleton
(26, 26, D:1)
  a bat skeleton
(27, 29, D:1)
  a quokka skeleton
(33, 1, D:1)
  a bat corpse (skeletalised by now)
(39, 1, D:1)
  a quokka corpse (skeletalised by now)
(39, 23, D:1)
  a bat corpse (skeletalised by now)
(40, 24, D:1)
  a +0 dagger
  a jackal corpse (skeletalised by now)
  a jackal corpse (skeletalised by now)
(40, 25, D:1)
  a rat corpse (skeletalised by now)
(40, 26, D:1)
  a hobgoblin corpse (skeletalised by now)
(41, 13, D:1)
  a +0 whip
  4 stones
(41, 28, D:1)
  a +0 scale mail

Level 2 of the Dungeon
(0, 0, D:2)
  a +0 leather armour
(7, 24, D:2)
  a +0 dagger
  a goblin skeleton
(10, 2, D:2)
  a +0 club
  a +0 sling
  a goblin skeleton
(10, 3, D:2)
  a frilled lizard skeleton
(11, -3, D:2)
  a rat skeleton
(11, 28, D:2)
  a +0 ring mail
(12, -13, D:2)
  a +0 club
(12, 25, D:2)
  a +0 robe
(16, 0, D:2)
  a +0 club
  a goblin skeleton
(17, 27, D:2)
  an adder skeleton
(18, 21, D:2)
  a +2 whip of venom
  2 stones
(19, 21, D:2)
  a +0 club
  a goblin skeleton
(20, 20, D:2)
  a +0 ring mail
(21, 22, D:2)
  a rat skeleton
(31, 31, D:2)
  a +0 club
(38, 28, D:2)
  a +0 club (still there?)
  a +2 leather armour of positive energy (still there?)
  a wand of flame (2) (still there?)
  the goblin corpse of Ijyb (still there?)
(49, 13, D:2)
  a rat skeleton
  a hobgoblin skeleton
(50, 13, D:2)
  a +0 robe
  a hobgoblin skeleton
(52, 31, D:2)
  a +0 mace
  a +0 chain mail

Level 3 of the Dungeon
(0, 3, D:3)
  a potion of curing
(4, 2, D:3)
  a +0 dagger
(6, 1, D:3)
  a +0 dagger (still there?)
  7 poisoned darts (still there?)
  a kobold corpse (still there?)
(9, 1, D:3)
  9 stones