Efficiency

Level 5 of the Dungeon
(0, 0, D:5)
  11 gold pieces
(1, 6, D:5)
  22 stones
(5, -1, D:5)
  an iguana corpse
  a hound corpse
(10, -1, D:5)
  14 gold pieces
(25, 25, D:5)
  12 gold pieces
(27, 27, D:5)
  a +0 war axe

Level 6 of the Dungeon
(0, 0, D:6)
  a +2 buckler

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