Banquo

Level 1 of the Dungeon
[Shop] Horoej's Jewellery Boutique
  a ring of ice (unknown) (275 gold)
  a +4 ring of slaying (unknown) (396 gold)
  a ring of wizardry (330 gold)
  a +6 ring of intelligence (unknown) (396 gold)
  a +4 ring of slaying (unknown) (396 gold)
  a +6 ring of strength (unknown) (396 gold)
(0, 0, D:1)
  a kobold skeleton
(26, 15, D:1)
  a ball python corpse (skeletalised by now)
(27, 16, D:1)
  a ball python corpse (skeletalised by now)
(27, 29, D:1)
  a goblin corpse (skeletalised by now)
(32, -8, D:1)
  a kobold skeleton
(33, -6, D:1)
  a frilled lizard skeleton
(34, -17, D:1)
  a quokka corpse (skeletalised by now)
(58, 13, D:1)
  a frilled lizard corpse (skeletalised by now)

Level 2 of the Dungeon
(0, 0, D:2)
  a +0 short sword
  a +0 ring mail
(4, -20, D:2)
  a quokka corpse (skeletalised by now)
(14, -19, D:2)
  a bat corpse (skeletalised by now)
(15, -27, D:2)
  a ball python corpse (skeletalised by now)
(16, -38, D:2)
  a ball python corpse (skeletalised by now)
  a kobold corpse (skeletalised by now)
(19, 1, D:2)
  an adder corpse (skeletalised by now)
(28, 3, D:2)
  a rat skeleton
(33, -3, D:2)
  a goblin skeleton
(37, -28, D:2)
  a rat corpse (skeletalised by now)
(53, -22, D:2)
  a ball python skeleton
(55, -17, D:2)
  a goblin skeleton

Level 3 of the Dungeon
(0, 0, D:3)
  a ribbon worm corpse
(3, 19, D:3)
  an orc skeleton
(10, 26, D:3)
  an adder skeleton
(19, 22, D:3)
  a quokka skeleton
(27, 13, D:3)
  an adder corpse (skeletalised by now)
(55, 25, D:3)
  a ball python corpse (skeletalised by now)

Level 4 of the Dungeon
[Shop] vending machine's 
  (Shop contents are unknown)
(0, 0, D:4)
  a +0 dagger (still there?)
  a +0 animal skin (still there?)
  a +1 helmet (still there?)
  a bombardier beetle corpse (still there?)
  the hobgoblin corpse of Robin (still there?)
  a goblin corpse (still there?)
  a goblin corpse (still there?)
(1, 0, D:4)
  a goblin corpse
(1, 2, D:4)
  an orc corpse
  a hobgoblin corpse
  an orc corpse
(2, 0, D:4)
  a goblin corpse
  an orc corpse