whodunnit

Level 1 of the Dungeon
[Shop] Vupreh's Jewellery Shop
  a ring of flight (210 gold)
  a ring of positive energy (240 gold)
  a ring of positive energy (240 gold)
  an amulet of magic regeneration (360 gold)
  a beast talisman (240 gold)
  an amulet of faith (480 gold)
  a ring of flight (210 gold)
  a +6 ring of dexterity (432 gold)
(0, 0, D:1)
  a +0 leather armour
(27, 34, D:1)
  a +0 plate armour
(30, 30, D:1)
  a +0 sling
(37, 17, D:1)
  a +0 whip
(38, 28, D:1)
  a +0 club
(39, 6, D:1)
  a staff of conjuration
(45, 48, D:1)
  a +0 robe

Level 2 of the Dungeon
(3, 29, D:2)
  a +1 ring mail of willpower
(12, 2, D:2)
  a +0 leather armour
(12, 35, D:2)
  a +0 dagger
(16, 13, D:2)
  a +0 war axe
(20, 25, D:2)
  a +0 club
(40, 15, D:2)
  a +0 sling
(45, 19, D:2)
  a +0 trident

Level 3 of the Dungeon
(0, 0, D:3)
  a +0 falchion
(6, 20, D:3)
  a +0 club
(7, 35, D:3)
  a +0 short sword
(11, 16, D:3)
  a +0 helmet
(13, 23, D:3)
  a +0 short sword
(22, 40, D:3)
  a +0 dagger
(30, 27, D:3)
  a +0 pair of gloves
(32, 35, D:3)
  a +2 war axe of draining

Level 4 of the Dungeon
(0, 0, D:4)
  a scroll of revelation
(3, -4, D:4)
  9 stones
(5, -3, D:4)
  a scorpion corpse
(26, -6, D:4)
  a quokka corpse (skeletalised by now)
(26, -5, D:4)
  a +0 short sword
  a +0 ring mail
  a kobold corpse (skeletalised by now)
(35, -18, D:4)
  a ball python corpse (skeletalised by now)
(36, -22, D:4)
  a +0 mace
(41, 2, D:4)
  a +0 flail
(45, -6, D:4)
  a +0 dagger
(57, 2, D:4)
  a +0 whip