Efficiency

Level 1 of the Dungeon
[Shop] Ton Amew's Antique Weapon Shop
  a +0 dagger (46 gold)
  a +0 short sword (69 gold)
  a +0 quarterstaff (92 gold)
  a +0 dagger (46 gold)
  a +0 hunting sling (34 gold)
  a +0 mace (69 gold)
  a +0 hunting sling (34 gold)
  a +0 club (23 gold)
(0, 0, D:1)
  a +0 dagger
(2, 9, D:1)
  a +0 whip
  a kobold corpse
(3, 10, D:1)
  a +0 dagger (still there?)
  a goblin corpse (still there?)
(3, 11, D:1)
  a +0 club
  a +0 club
(15, 13, D:1)
  a giant cockroach corpse
(17, 11, D:1)
  8 gold pieces
(19, 9, D:1)
  17 arrows

Level 2 of the Dungeon
(0, 0, D:2)
  a +0 club
(7, 0, D:2)
  21 stones