whodunnit

Level 1 of the Dungeon
[Shop] Fuxuzih's Book Shoppe
  a parchment of Fugue of the Fallen (151 gold)
  a parchment of Freeze (75 gold)
  a parchment of Yara's Violent Unravelling (226 gold)
  a parchment of Silence (226 gold)
  a parchment of Hailstorm (151 gold)
  a parchment of Teleport Other (151 gold)
  a parchment of Call Imp (113 gold)
(0, 0, D:1)
  a +0 short sword
(3, 1, D:1)
  a +0 pair of gloves
(6, -15, D:1)
  a +0 club
(8, -12, D:1)
  a +0 dagger
(8, -11, D:1)
  a +0 club
(15, 0, D:1)
  a hobgoblin corpse (skeletalised by now)
(16, -38, D:1)
  a +0 sling
(21, -37, D:1)
  a ball python corpse (skeletalised by now)
(22, -30, D:1)
  a +0 short sword
(23, -31, D:1)
  a frilled lizard corpse (skeletalised by now)
(25, -10, D:1)
  a +0 dagger
  a goblin corpse (skeletalised by now)
(26, 1, D:1)
  a +0 club
(30, -36, D:1)
  a +0 whip
(31, -36, D:1)
  a ball python corpse (skeletalised by now)
(41, -24, D:1)
  a rat skeleton
(53, -32, D:1)
  a +0 whip
  3 stones
(53, -31, D:1)
  a +0 dagger
  a goblin corpse (skeletalised by now)

Level 2 of the Dungeon
(0, 0, D:2)
  a jackal corpse (skeletalised by now)
  a jackal corpse (skeletalised by now)
(8, -33, D:2)
  a +0 dagger
  a +0 robe
(9, 1, D:2)
  a +0 club
(10, -25, D:2)
  a +0 dagger
  a +0 leather armour
  a +4 dagger
  a +0 club
  a +0 scale mail
  an adder corpse (skeletalised by now)
(12, -10, D:2)
  a +0 club
(27, 1, D:2)
  a ball python skeleton
(40, -2, D:2)
  a +0 short sword
(48, -44, D:2)
  a +0 robe
(49, -20, D:2)
  a +0 dagger
  4 stones
  a jackal skeleton
(52, -11, D:2)
  a quokka corpse (skeletalised by now)
(52, 1, D:2)
  a hobgoblin skeleton
(54, -10, D:2)
  a hobgoblin corpse (skeletalised by now)
(57, -30, D:2)
  a +0 spear
(57, -28, D:2)
  a +0 club
  a gnoll corpse (skeletalised by now)
(58, -34, D:2)
  a quokka corpse (skeletalised by now)
(58, -29, D:2)
  a +0 spear
  a +0 whip
  a gnoll corpse (skeletalised by now)

Level 3 of the Dungeon
(9, -16, D:3)
  a +0 hand axe
  an orc skeleton
(10, -35, D:3)
  the felid skeleton of Natasha
(11, -41, D:3)
  a +0 club
(11, -15, D:3)
  a +0 dagger
  a kobold skeleton
(18, -14, D:3)
  a +0 leather armour
(19, -5, D:3)
  a +0 scale mail
(19, 7, D:3)
  a +0 scale mail
(21, -27, D:3)
  the felid skeleton of Natasha
(37, 3, D:3)
  a +0 club
(42, -14, D:3)
  an adder skeleton
(46, -28, D:3)
  the felid corpse of Natasha (skeletalised by now)
  a jackal corpse (skeletalised by now)
(47, -28, D:3)
  a jackal corpse (skeletalised by now)
(48, -28, D:3)
  a jackal corpse (skeletalised by now)

Level 4 of the Dungeon
(5, 8, D:4)
  a +0 club
  a kobold skeleton
(6, 18, D:4)
  an adder skeleton
(7, 18, D:4)
  an iguana skeleton
  an adder skeleton
(12, 10, D:4)
  an adder skeleton
(19, 28, D:4)
  a +0 dagger
(20, 39, D:4)
  a hobgoblin corpse (skeletalised by now)
(23, 4, D:4)
  a +0 dagger
  a goblin skeleton
(26, 2, D:4)
  5 stones
  a +0 short sword
  a kobold skeleton
(26, 3, D:4)
  a ball python skeleton
(28, 24, D:4)
  a +0 sling
(35, 1, D:4)
  a +0 whip
(37, 6, D:4)
  an adder corpse (skeletalised by now)

Level 5 of the Dungeon
[Shop] Upolaah's Weapon Emporium
  (Shop contents are unknown)
(4, 0, D:5)
  a +0 whip
  a gnoll skeleton
(5, -15, D:5)
  a +0 dagger
  a +0 club
  an orc corpse (skeletalised by now)
(5, -14, D:5)
  a +0 club
  an orc corpse (skeletalised by now)
(5, 1, D:5)
  a +0 whip
  a +0 club
(6, -15, D:5)
  a +0 club
  an orc corpse (skeletalised by now)
(16, -11, D:5)
  a +0 club
  a +0 leather armour
  an orc skeleton
(16, 21, D:5)
  a +0 quarterstaff
(17, -10, D:5)
  a +0 falchion
  a +0 leather armour
(17, -9, D:5)
  a +0 dagger
  an orc skeleton
(20, -7, D:5)
  an amulet of magic regeneration
(30, -6, D:5)
  a +0 club
(30, -3, D:5)
  a bullfrog corpse (skeletalised by now)
(34, 7, D:5)
  a +0 flail
  a +0 ring mail
  an orc skeleton
(35, 2, D:5)
  a quokka skeleton
(37, 4, D:5)
  a +0 robe
(40, 27, D:5)
  a +0 flail
  a +0 chain mail
  a +0 dagger
  a +0 robe
  an orc corpse (skeletalised by now)
  an orc corpse (skeletalised by now)
(43, 28, D:5)
  a +0 dagger
(46, 28, D:5)
  a +0 dagger
  a +0 robe

Level 6 of the Dungeon
(0, 0, D:6)
  a +0 club
  a +0 ring mail
  an orc corpse
(0, 1, D:6)
  a +0 flail
  a +0 whip
  a +0 chain mail
  an orc corpse
(0, 2, D:6)
  a +0 dagger
  a +0 robe
(2, 0, D:6)
  a +0 dagger
(3, -7, D:6)
  a +1 great sword (still there?)
  a +0 robe (still there?)
(4, 7, D:6)
  a parchment of Soul Splinter
(5, -8, D:6)
  a +0 short sword
  a +0 leather armour
  a +0 hand axe
  an orc corpse
  an orc corpse
(8, -7, D:6)
  a +0 hand axe
  a +0 leather armour
  a +0 flail
  a +0 chain mail
(9, -6, D:6)
  a scarab talisman
(11, 8, D:6)
  a bullfrog corpse
(15, 11, D:6)
  a +0 dagger
  a +0 leather armour
(16, 10, D:6)
  a +0 dagger
  a +0 robe
(16, 11, D:6)
  a +0 dagger
  an orc corpse
  a scorpion corpse
(22, 12, D:6)
  a scroll of noise
(32, 13, D:6)
  a +0 ring mail