Efficiency

Level 4 of the Dungeon
(0, 0, D:4)
  13 gold pieces
(8, 7, D:4)
  a potion of heal wounds

Level 5 of the Dungeon
(0, 0, D:5)
  a scroll of identify
(3, -3, D:5)
  10 arrows
(7, 14, D:5)
  a +0 plate armour
(12, 9, D:5)
  22 sling bullets

Level 6 of the Dungeon
(5, 6, D:6)
  12 poisoned darts

the Ecumenical Temple