Efficiency

Level 1 of the Dungeon
(0, 0, D:1)
  19 bolts
(12, -17, D:1)
  a +0 hunting sling
(12, -13, D:1)
  a stone
(14, -17, D:1)
  a potion of brilliance
(14, -15, D:1)
  a stone
  13 gold pieces
(14, -13, D:1)
  2 stones