Efficiency

Level 5 of the Dungeon
(0, 0, D:5)
  a +0 leather armour
(4, -10, D:5)
  a dart slug corpse
(8, 1, D:5)
  20 sling bullets
(41, -34, D:5)
  a +2 pair of boots
(44, -41, D:5)
  9 gold pieces

Level 6 of the Dungeon
(0, 0, D:6)
  a +0 leather armour
(1, 5, D:6)
  a +0 club
  a +0 scale mail
  an orc corpse
(4, 14, D:6)
  22 gold pieces
(4, 16, D:6)
  16 poisoned darts
(5, 14, D:6)
  23 stones
(7, -3, D:6)
  7 gold pieces
(7, 10, D:6)
  14 gold pieces