Efficiency

Level 4 of the Dungeon
(0, 0, D:4)
  13 gold pieces
(2, -2, D:4)
  a book of the Senses

Level 5 of the Dungeon
(0, 0, D:5)
  a scroll of enchant weapon
(1, -19, D:5)
  a +0 whip
(20, -6, D:5)
  2 gold pieces
(21, -2, D:5)
  a +0 ring mail