Efficiency

Level 1 of the Dungeon
(0, 0, D:1)
  a dart slug corpse
(2, 6, D:1)
  a rat corpse
(7, -3, D:1)
  a ball python corpse

Level 2 of the Dungeon
(0, 0, D:2)
  a +0 whip
(4, 1, D:2)
  a hobgoblin corpse
(9, -6, D:2)
  a rat corpse