Efficiency

Level 4 of the Dungeon
(0, 0, D:4)
  a hound corpse

Level 5 of the Dungeon
[Shop] Qicaoboi's Antique Weapon Shop
  a +0 dagger (50 gold)
  a +0 mace (75 gold)
  a +0 falchion of holy wrath (185 gold)
  a +0 flail (87 gold)
  a +0 arbalest (112 gold)
  a +0 club (25 gold)
  a +0 falchion (75 gold)
  a +2 dagger of venom (360 gold)
  a +0 vampiric war axe (312 gold)
  a +0 long sword (87 gold)
  a +0 dagger (50 gold)
  a +0 war axe (87 gold)
  a +0 spear (75 gold)
(0, 0, D:5)
  a scroll of teleportation
(5, 6, D:5)
  10 gold pieces
(13, -3, D:5)
  a +0 club
(23, -11, D:5)
  a +0 scale mail

Level 6 of the Dungeon
(0, 0, D:6)
  22 stones
(14, 7, D:6)
  13 gold pieces