Efficiency

Level 5 of the Dungeon
(0, 0, D:5)
  18 arrows
(0, 16, D:5)
  a +0 robe
(2, 9, D:5)
  3 atropa-tipped darts
(8, 4, D:5)
  a ring of resist corrosion
(11, 13, D:5)
  16 gold pieces
(14, 8, D:5)
  a +0 robe
(24, 7, D:5)
  a +0 ring mail

Level 6 of the Dungeon
(0, 0, D:6)
  a +0 quarterstaff