Efficiency

Level 1 of the Dungeon
(0, 0, D:1)
  a frilled lizard corpse
(0, 2, D:1)
  a rat corpse
(1, 1, D:1)
  10 gold pieces

Level 2 of the Dungeon
(0, 0, D:2)
  a +0 robe
(1, 0, D:2)
  a bat corpse
(11, 0, D:2)
  a scroll of enchant weapon
(12, -1, D:2)
  19 sling bullets