Efficiency

Level 4 of the Dungeon
(0, 0, D:4)
  7 gold pieces

Level 5 of the Dungeon
(0, 0, D:5)
  a +0 spear
  a +0 club
  a +0 whip
  a +0 whip
  a +0 leather armour
  a gnoll corpse
  a gnoll corpse
(7, -4, D:5)
  a +0 chain mail
(18, -4, D:5)
  5 arrows
(23, 1, D:5)
  18 bolts
(25, -1, D:5)
  5 gold pieces

Level 6 of the Dungeon
(0, 0, D:6)
  26 sling bullets
(6, 7, D:6)
  25 stones

Level 7 of the Dungeon
(0, 0, D:7)
  a +1 hand axe of electrocution