whodunnit

Level 1 of the Dungeon
(0, 0, D:1)
  a quokka corpse (skeletalised by now)
(2, 4, D:1)
  4 boomerangs
(7, 15, D:1)
  a +0 club
(9, 0, D:1)
  a +0 short sword
(10, 13, D:1)
  a ball python skeleton
(11, 11, D:1)
  a +0 sling
(15, 1, D:1)
  a rat skeleton
(17, 29, D:1)
  a +0 whip
(19, 42, D:1)
  a +0 short sword
(19, 46, D:1)
  a rat corpse (skeletalised by now)
(24, 28, D:1)
  a +0 short sword
(25, 28, D:1)
  a bat skeleton
  a hobgoblin skeleton
(25, 29, D:1)
  a rat skeleton
(29, -2, D:1)
  a bat corpse (skeletalised by now)
(29, 10, D:1)
  a +0 club
(31, 11, D:1)
  a +0 club
(34, 12, D:1)
  a rat skeleton
(34, 47, D:1)
  a +1 dagger of venom
(38, 22, D:1)
  a +0 club
  a stone
  a kobold corpse (skeletalised by now)
(38, 29, D:1)
  a +0 dagger
  a goblin corpse (skeletalised by now)
(40, 16, D:1)
  a +0 dagger
  a goblin skeleton
(44, 15, D:1)
  a quokka corpse (skeletalised by now)

Level 2 of the Dungeon
[Shop] Luasixae's Assorted Antiques
  a +1 flail of venom (313 gold)
  a +0 great sword of protection (274 gold)
  a potion of degeneration (28 gold)
  a wand of mindburst (6) (235 gold)
  a +0 ring mail (112 gold)
  a +0 ring mail (112 gold)
  a potion of curing (84 gold)
  an amulet of regeneration (840 gold)
  a +0 hand axe (84 gold)
(10, 21, D:2)
  a +0 rapier
(11, 28, D:2)
  a quokka skeleton
(14, 21, D:2)
  a rat skeleton
(22, 3, D:2)
  a frilled lizard corpse (skeletalised by now)
(23, -6, D:2)
  a +0 club
  a kobold corpse (skeletalised by now)
(28, 20, D:2)
  a +0 whip
(31, 47, D:2)
  an adder corpse (skeletalised by now)
(32, -5, D:2)
  6 poisoned darts
(54, 18, D:2)
  a +0 short sword
  a kobold corpse (skeletalised by now)
(54, 19, D:2)
  a bat corpse (skeletalised by now)

Level 3 of the Dungeon
[Shop] Qoobaes's Jewellery Emporium
  the ring of Haemma Bosoi {rC+++ rCorr Int-3 Dex+4 Stlth+} (802 gold)
    [ring of resist corrosion]
    
    Int-3:      It affects your intelligence (-3).
    Dex+4:      It affects your dexterity (+4).
    rC+++:      It renders you almost immune to cold.
    rCorr:      It protects you from acid and corrosion.
    Stlth+:     It makes you more stealthy.
  a +4 ring of slaying (432 gold)
  a ring of see invisible (180 gold)
  a ring of fire (300 gold)
  a ring of resist corrosion (240 gold)
  the ring "Ziciock" {rF+ rN+ rCorr MP+9 Dex-5} (399 gold)
    [ring of magical power]
    
    Dex-5:      It affects your dexterity (-5).
    rF+:        It protects you from fire.
    rN+:        It protects you from negative energy.
    MP+9:       It affects your magic capacity (+9).
    rCorr:      It protects you from acid and corrosion.
  a ring of see invisible (180 gold)
(0, 0, D:3)
  a +0 pair of gloves
(8, 9, D:3)
  a ball python corpse (skeletalised by now)
(14, 2, D:3)
  3 curare-tipped darts
(16, -17, D:3)
  a hobgoblin corpse (skeletalised by now)
(19, -26, D:3)
  a quokka corpse (skeletalised by now)
(24, 4, D:3)
  a frilled lizard skeleton
(29, -11, D:3)
  a +0 flail
(32, -15, D:3)
  6 poisoned darts
(39, 2, D:3)
  a +0 whip
  5 poisoned darts
(49, 7, D:3)
  a +0 hand axe

Level 4 of the Dungeon
(0, 0, D:4)
  a hobgoblin corpse
(3, 6, D:4)
  a +0 ring mail
(4, 20, D:4)
  7 stones
(5, 0, D:4)
  a +0 trident
(8, 5, D:4)
  a +0 robe
(9, 27, D:4)
  a +0 dagger
  a goblin corpse (skeletalised by now)
(11, 4, D:4)
  a +0 whip
(12, 15, D:4)
  a rat skeleton
(13, 15, D:4)
  a river rat corpse (skeletalised by now)
  a ball python corpse (skeletalised by now)
(19, 14, D:4)
  8 stones
(25, 14, D:4)
  a +0 dagger
(29, 24, D:4)
  a +0 hand axe
  a +0 hand axe
  a +0 short sword
  an orc corpse
  an orc corpse