Efficiency

Level 1 of the Dungeon
(0, 0, D:1)
  a +0 mace
(4, 0, D:1)
  a +0 club
  a +0 whip
  3 stones
  a goblin corpse

Level 2 of the Dungeon
(0, 0, D:2)
  6 stones
(3, 2, D:2)
  a +0 dagger of venom
(9, 17, D:2)
  a +0 spear
(11, 11, D:2)
  a +0 club
  a goblin corpse
(11, 12, D:2)
  a +0 dagger (still there?)
  4 stones (still there?)
(12, -12, D:2)
  17 gold pieces