Efficiency

Level 1 of the Dungeon
(0, 0, D:1)
  a frilled lizard corpse (skeletalised by now)
(2, -2, D:1)
  a +0 club
  a +0 club
  a goblin corpse (skeletalised by now)
  a ball python corpse (skeletalised by now)
  a goblin corpse (skeletalised by now)

Level 2 of the Dungeon
(0, 0, D:2)
  a +0 hand axe
(4, -6, D:2)
  27 bolts
  a +0 club
(16, 18, D:2)
  a bat corpse
(19, -2, D:2)
  a bat corpse
(21, 7, D:2)
  a +0 club
  a goblin corpse
(22, -1, D:2)
  a +0 club
  a +0 club
  a +0 club
  a +0 club
  a +0 dagger
  a goblin corpse
  a goblin corpse
(23, 11, D:2)
  a +0 dagger
(25, 11, D:2)
  a +0 club
  a goblin corpse
(26, -1, D:2)
  21 sling bullets
(26, 11, D:2)
  a +0 club
  a +0 hunting sling
  27 stones
  a goblin corpse
(28, -8, D:2)
  a +0 club
  a goblin corpse

Level 3 of the Dungeon
(0, 0, D:3)
  a rat corpse
  a jackal corpse
  a jackal corpse
(3, 0, D:3)
  a book of Conjurations