Efficiency

Level 5 of the Dungeon
(0, 0, D:5)
  a potion of heal wounds

Level 6 of the Dungeon
(0, 0, D:6)
  16 gold pieces
(2, -18, D:6)
  a cursed -1 spear
(3, 1, D:6)
  a +0 helmet
(9, -4, D:6)
  12 gold pieces
(14, -1, D:6)
  20 bolts
(15, -6, D:6)
  27 arrows

Level 7 of the Dungeon
(0, 0, D:7)
  a leopard gecko corpse