whodunnit

Level 1 of the Dungeon
(0, 0, D:1)
  2 stones
(5, -14, D:1)
  a +0 plate armour
(5, -13, D:1)
  a bat corpse (skeletalised by now)
(6, -28, D:1)
  a +0 dagger
  2 stones
  a kobold corpse (skeletalised by now)
(6, -15, D:1)
  a rat corpse (skeletalised by now)
(8, -27, D:1)
  a +0 chain mail
(8, 3, D:1)
  a +0 short sword
  5 stones
  a kobold corpse (skeletalised by now)
(11, 4, D:1)
  a bat corpse (skeletalised by now)
(17, 6, D:1)
  a +0 dagger
(27, -15, D:1)
  a ball python corpse (skeletalised by now)
(28, -16, D:1)
  a rat corpse (skeletalised by now)
(30, -17, D:1)
  a +0 sling
(33, -26, D:1)
  a ball python skeleton
(34, -17, D:1)
  a bat corpse (skeletalised by now)
(34, -16, D:1)
  a ball python skeleton
(35, -10, D:1)
  a bat corpse (skeletalised by now)
(40, 10, D:1)
  a quokka skeleton
  a jackal skeleton
  a ball python skeleton
  a rat skeleton
  a hobgoblin skeleton
(41, 10, D:1)
  a +0 short sword
  2 stones
(44, -22, D:1)
  a +0 whip
  a kobold skeleton
  a hobgoblin skeleton
(53, -23, D:1)
  a jackal corpse (skeletalised by now)
(53, -21, D:1)
  a jackal corpse (skeletalised by now)
  a jackal corpse (skeletalised by now)
  a jackal corpse (skeletalised by now)

Level 2 of the Dungeon
(0, 0, D:2)
  a frilled lizard corpse (skeletalised by now)
(5, -8, D:2)
  a hobgoblin corpse (skeletalised by now)
(12, -1, D:2)
  6 stones
(14, -17, D:2)
  a +0 short sword
(16, -7, D:2)
  a +0 ring mail
(19, -29, D:2)
  a +0 short sword
  a +0 leather armour
  a kobold corpse (skeletalised by now)
(19, -10, D:2)
  9 stones
(24, -26, D:2)
  a bat corpse (skeletalised by now)
(25, -24, D:2)
  a +0 scale mail
(30, -3, D:2)
  a +0 chain mail
(33, -27, D:2)
  a ball python corpse (skeletalised by now)
  a hobgoblin corpse (skeletalised by now)
(33, -10, D:2)
  a +0 hand axe
(36, -10, D:2)
  a +0 club
(44, -29, D:2)
  2 stones
(46, -18, D:2)
  a +0 dagger

Level 3 of the Dungeon
(0, 0, D:3)
  a +0 dagger
(13, -15, D:3)
  a hobgoblin corpse (skeletalised by now)
(22, -31, D:3)
  7 stones
(32, 8, D:3)
  an adder corpse (skeletalised by now)
(36, -32, D:3)
  a +0 club
  a +0 sling
  a goblin skeleton
(39, -12, D:3)
  a +0 ring mail
(44, 19, D:3)
  8 stones
(48, -27, D:3)
  7 stones
(50, -25, D:3)
  5 stones

Level 4 of the Dungeon
[Shop] Nyime's Jewellery Emporium
  a ring of flight (unknown) (245 gold)
  the ring of Time Moved Backwards {rF+ rC- Int-4 Dex+8 Stlth- Fire} (546 gold)
    [ring of fire]
    
    rF+:        It protects you from fire.
    rC-:        It makes you vulnerable to cold.
    Int-4:      It affects your intelligence (-4).
    Dex+8:      It affects your dexterity (+8).
    Stlth-:     It makes you less stealthy.
    Fire:       It increases the power of your Fire spells.
  an amulet of faith (unknown) (560 gold)
  a ring of poison resistance (unknown) (280 gold)
  an amulet of magic regeneration (unknown) (420 gold)
  an amulet of the acrobat (unknown) (420 gold)
  a +4 ring of slaying (unknown) (504 gold)
  the ring of Azost {Str+8 Int+2 Dex-2 Slay+3} (837 gold)
    [ring of strength]
    
    Str+8:      It affects your strength (+8).
    Int+2:      It affects your intelligence (+2).
    Dex-2:      It affects your dexterity (-2).
    Slay+3:     It affects your accuracy & damage with ranged weapons and melee
    (+3).
  a ring of fire (unknown) (350 gold)
  a beast talisman (280 gold)
(0, 0, D:4)
  a +0 dagger
  a +0 robe
  an orc corpse
(3, 0, D:4)
  a +0 dagger
  a +0 ring mail
  an orc corpse
  a frilled lizard corpse
(4, 1, D:4)
  a +0 short sword
  a +0 leather armour
(9, 35, D:4)
  a +0 leather armour
(14, 0, D:4)
  a +0 hand axe
  a +0 leather armour
  an orc corpse
(15, 10, D:4)
  a +0 flail
(21, 34, D:4)
  6 stones
(26, 3, D:4)
  a +0 whip
(32, 33, D:4)
  an adder corpse
(34, 18, D:4)
  a hound corpse (skeletalised by now)