Efficiency

Level 5 of the Dungeon
(0, 0, D:5)
  6 gold pieces
(3, -1, D:5)
  18 gold pieces
(12, -5, D:5)
  5 gold pieces
(23, -41, D:5)
  9 gold pieces

Level 6 of the Dungeon
(0, 0, D:6)
  a +0 leather armour