Efficiency

Level 1 of the Dungeon
(0, 0, D:1)
  a bat corpse
(0, 2, D:1)
  a frilled lizard corpse
(2, -7, D:1)
  a kobold corpse (skeletalised by now)
(3, 30, D:1)
  29 stones
(5, 28, D:1)
  a +0 scale mail
(8, -1, D:1)
  a +0 club
(11, 31, D:1)
  a hobgoblin corpse
  a ball python corpse
(15, -6, D:1)
  a +0 hand axe
(15, 22, D:1)
  a jackal corpse
(16, 10, D:1)
  17 stones
(26, -4, D:1)
  a rat corpse (skeletalised by now)

Level 2 of the Dungeon
(0, 0, D:2)
  a +0 dagger
(2, 3, D:2)
  a potion of berserk rage
(5, -4, D:2)
  a +0 quarterstaff
(8, -7, D:2)
  11 gold pieces
(12, -8, D:2)
  a +0 short sword
(12, -3, D:2)
  7 gold pieces
(13, -9, D:2)
  a +0 leather armour
  an adder corpse
(13, -8, D:2)
  an adder corpse