Efficiency

Level 1 of the Dungeon
(0, 0, D:1)
  a +0 robe

Level 2 of the Dungeon
(0, 0, D:2)
  19 arrows
(1, -15, D:2)
  16 arrows
(5, -7, D:2)
  a stone
(6, -6, D:2)
  a +0 dagger
(7, -4, D:2)
  a stone