Efficiency

Level 1 of the Dungeon
(0, 0, D:1)
  a bat corpse
(4, 2, D:1)
  a goblin corpse
(5, 2, D:1)
  a +0 dagger (still there?)
  8 gold pieces (still there?)
  a kobold corpse (still there?)
(5, 4, D:1)
  a stone
(7, 15, D:1)
  5 gold pieces
(9, 11, D:1)
  24 arrows

Level 3 of the Dungeon
(0, 0, D:3)
  12 gold pieces
(8, 0, D:3)
  a stone
(8, 4, D:3)
  a +0 hunting sling
  22 stones