whodunnit

Level 1 of the Dungeon
(0, 0, D:1)
  a +0 robe
(1, 27, D:1)
  a +0 trident
(5, -2, D:1)
  a +0 sling
(8, 2, D:1)
  a +0 club
  a hobgoblin corpse (skeletalised by now)
(19, 21, D:1)
  a frilled lizard corpse (skeletalised by now)
(26, 22, D:1)
  a +0 war axe
(36, 14, D:1)
  a +0 dagger
(44, 21, D:1)
  a +0 club

Level 2 of the Dungeon
(0, 0, D:2)
  a stone
(7, -11, D:2)
  a +0 sling
(9, -8, D:2)
  an adder corpse (skeletalised by now)
(12, -13, D:2)
  a +0 whip
(19, 9, D:2)
  a +0 club
(20, 9, D:2)
  a +0 dagger
(21, 9, D:2)
  a +0 dagger
  a goblin corpse (skeletalised by now)
(31, -11, D:2)
  a frilled lizard skeleton
(35, -7, D:2)
  a hobgoblin skeleton
(39, 12, D:2)
  a +0 club
  a goblin skeleton
(43, 8, D:2)
  a +0 ring mail
(53, 6, D:2)
  a +0 whip

Level 3 of the Dungeon
[Shop] Ungovon's Book Shop
  a book of the Senses (336 gold)
  a book of Unlife (432 gold)
  a There-And-Back Book (432 gold)
  a book of Flames (336 gold)
  a book of Iron (456 gold)
  a book of Spatial Translocations (216 gold)
  Great Wizards, Vol. VII (360 gold)
(0, 0, D:3)
  a +0 trident
(11, -24, D:3)
  a +0 leather armour
(15, -13, D:3)
  a ball python skeleton
(15, -3, D:3)
  a +0 dagger
  a goblin corpse (skeletalised by now)
(15, 9, D:3)
  6 stones
(17, 5, D:3)
  a frilled lizard corpse (skeletalised by now)
(21, 2, D:3)
  a +0 short sword
(22, -16, D:3)
  a +0 club
  a goblin corpse (skeletalised by now)
(24, -6, D:3)
  a +0 trident
(25, -19, D:3)
  a quokka skeleton
(28, -21, D:3)
  a ball python skeleton
(28, -19, D:3)
  a +0 quarterstaff
(29, -7, D:3)
  an orb of light
(31, -2, D:3)
  a +0 whip
  a +0 leather armour
  an orc corpse (skeletalised by now)
(34, -6, D:3)
  a +0 ring mail
(34, 0, D:3)
  6 stones
(37, 12, D:3)
  a +0 leather armour
(39, -16, D:3)
  4 large rocks
(40, -16, D:3)
  2 large rocks
(41, -10, D:3)
  a +0 dagger
(42, -6, D:3)
  a +0 dagger
  a +0 dagger
  a goblin corpse (skeletalised by now)

Level 4 of the Dungeon
(0, 0, D:4)
  a +0 rapier
(1, 4, D:4)
  a scroll of identify
(2, 6, D:4)
  a staff of alchemy
  (unseen)
(2, 14, D:4)
  a +0 flail
(9, 5, D:4)
  10 gold pieces
(17, 16, D:4)
  the +2 ring mail of Lies {rC++ Int+3}
    Int+3:      It affects your intelligence (+3).
    rC++:       It greatly protects you from cold.