Efficiency

Level 6 of the Dungeon
[Shop] Tovonn's Antique Weapon Shoppe
  (Shop contents are unknown)
(0, 0, D:6)
  7 gold pieces
(6, -5, D:6)
  10 gold pieces
(8, -11, D:6)
  6 poisoned darts
(20, -1, D:6)
  an adder corpse

Level 7 of the Dungeon
(0, 0, D:7)
  a potion of heal wounds
(3, -2, D:7)
  28 sling bullets
(4, -22, D:7)
  16 gold pieces
(16, -10, D:7)
  17 stones

the Ecumenical Temple