Efficiency

Level 5 of the Dungeon
(0, 0, D:5)
  a scroll of noise
(10, -9, D:5)
  14 gold pieces

Level 6 of the Dungeon
(0, 0, D:6)
  a potion of flight
(52, -10, D:6)
  18 gold pieces

Level 7 of the Dungeon
(0, 0, D:7)
  7 gold pieces
(3, 4, D:7)
  a +0 dagger
(4, 3, D:7)
  a hound corpse