Opifex

Level 4 of the Dungeon
(0, 0, D:4)
  17 gold pieces
(3, -1, D:4)
  7 stones
(3, 2, D:4)
  a +0 spear
  a gnoll corpse

Level 5 of the Dungeon
[Shop] Ixacko's Antique Armour Emporium
  (Shop contents are unknown)
(0, 0, D:5)
  a potion of haste

Level 6 of the Dungeon
(0, 0, D:6)
  a staff of conjuration