Efficiency

Level 1 of the Dungeon
(0, 0, D:1)
  18 arrows
(2, 6, D:1)
  9 gold pieces
(6, 9, D:1)
  a +0 ring mail
(8, 13, D:1)
  8 gold pieces
(12, 15, D:1)
  a dart slug corpse
(14, 17, D:1)
  a +0 leather armour
(22, 17, D:1)
  a rat corpse