Efficiency

Level 4 of the Dungeon
(0, 0, D:4)
  24 arrows
(4, 5, D:4)
  5 gold pieces
(21, 12, D:4)
  17 stones

Level 5 of the Dungeon
(0, 0, D:5)
  a +0 ring mail
(1, 3, D:5)
  5 bolts
(4, 0, D:5)
  a +0 chain mail
(5, 7, D:5)
  a +0 arbalest
(7, -5, D:5)
  12 bolts
(8, 0, D:5)
  23 stones
(10, 5, D:5)
  a scroll of teleportation
(36, -17, D:5)
  19 gold pieces
(38, -25, D:5)
  13 poisoned darts

Level 6 of the Dungeon
(0, 0, D:6)
  13 gold pieces