Descartes

Level 4 of the Dungeon
(0, 0, D:4)
  a +0 whip
(25, 14, D:4)
  the +11 hunting sling of Sin {venom, MR++ Stlth+}
    It poisons the ammo it fires.
    
    It affects your resistance to hostile enchantments.
    It makes you more stealthy.

Level 5 of the Dungeon
[Shop] Vopnaur's Assorted Antiques
  a scroll of magic mapping (98 gold)
  a +1 quarterstaff of pain (476 gold)
  a potion of magic (224 gold)
  a lightning rod (4/4) (840 gold)
  a scroll of magic mapping (98 gold)
  a +0 spear (84 gold)
  a +0 ring mail (112 gold)
  a scroll of fear (98 gold)
  a scroll of vulnerability (210 gold)
  a scroll of remove curse (84 gold)
(4, -2, D:5)
  an iguana corpse
(6, -5, D:5)
  a quokka corpse