Mephisto

Level 1 of the Dungeon
[Shop] Wijal's Antique Weapon Shoppe
  a +0 whip (47 gold)
  a +0 falchion (57 gold)
  a +0 quarterstaff (95 gold)
  a +2 halberd of pain (418 gold)
  a +1 broad axe of electrocution (560 gold)
  a +0 mace (57 gold)
(0, 0, D:1)
  a +0 dagger
(18, 4, D:1)
  a frilled lizard corpse (skeletalised by now)
(18, 19, D:1)
  a +0 club
(20, 4, D:1)
  a +0 short sword
  a kobold corpse (skeletalised by now)
(33, 12, D:1)
  a +0 club
(34, 3, D:1)
  a ball python skeleton
(39, 37, D:1)
  a hobgoblin skeleton
(42, 6, D:1)
  a +0 dagger
(50, 31, D:1)
  a hobgoblin skeleton
(62, 0, D:1)
  a rat corpse (skeletalised by now)

Level 2 of the Dungeon
(4, 5, D:2)
  a +0 short sword
  3 stones
  a kobold corpse (skeletalised by now)
(6, -3, D:2)
  a +0 robe
(8, -13, D:2)
  a +2 hat
(16, 16, D:2)
  a bat corpse (skeletalised by now)
(21, -5, D:2)
  a +0 short sword
(41, 20, D:2)
  a +0 club
  a kobold corpse
(42, -2, D:2)
  a +0 whip
  5 stones
(50, 11, D:2)
  a frilled lizard skeleton
(51, 10, D:2)
  an adder skeleton
(54, 11, D:2)
  a +0 rapier

Level 3 of the Dungeon
[Shop] Cuur Kylij's Weapon Boutique
  (Shop contents are unknown)
(0, 0, D:3)
  a +0 robe
(1, 4, D:3)
  a +0 spear
(2, 9, D:3)
  a scroll of revelation
(4, 8, D:3)
  9 gold pieces
(4, 11, D:3)
  a parchment of Sandblast
(5, 9, D:3)
  2 potions of cancellation