Efficiency

Level 5 of the Dungeon
(0, 0, D:5)
  21 gold pieces
(4, -2, D:5)
  10 gold pieces

Level 6 of the Dungeon
(0, 0, D:6)
  a scroll of enchant weapon
(0, 2, D:6)
  2 potions of haste
(0, 7, D:6)
  25 stones
(1, 9, D:6)
  5 gold pieces
(3, -1, D:6)
  a +0 chain mail
(12, 21, D:6)
  15 gold pieces
(13, 21, D:6)
  17 gold pieces
(14, 21, D:6)
  11 gold pieces
(20, 21, D:6)
  a potion of degeneration
(22, 25, D:6)
  a +0 quarterstaff