Efficiency

Level 6 of the Dungeon
(0, 0, D:6)
  a scroll of silence
(1, -7, D:6)
  2 scrolls of identify
(1, 2, D:6)
  15 gold pieces
(2, -4, D:6)
  19 stones
(2, -2, D:6)
  a +0 mace