Efficiency

Level 5 of the Dungeon
(0, 0, D:5)
  a +0 dagger
(8, -13, D:5)
  11 gold pieces
(9, -4, D:5)
  8 gold pieces
(9, 4, D:5)
  12 stones

Level 6 of the Dungeon
(0, 0, D:6)
  a +0 short sword of holy wrath
(12, 22, D:6)
  a wand of iceblast (11)