Efficiency

Level 5 of the Dungeon
(0, 0, D:5)
  a +0 short sword
(5, 1, D:5)
  a +0 scale mail
(5, 3, D:5)
  15 gold pieces

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

Level 7 of the Dungeon
(0, 0, D:7)
  15 gold pieces
(2, 0, D:7)
  a +0 trident
(7, -9, D:7)
  a scroll of enchant weapon
(11, 7, D:7)
  11 gold pieces
(14, 6, D:7)
  10 gold pieces
(17, 4, D:7)
  31 stones
(17, 7, D:7)
  a potion of curing