Efficiency

Level 5 of the Dungeon

Level 6 of the Dungeon
(0, 0, D:6)
  6 large rocks
(4, -6, D:6)
  a +0 ring mail
(15, 2, D:6)
  a +0 chain mail

Level 7 of the Dungeon
(0, 0, D:7)
  a +0 long sword
(20, 6, D:7)
  a +0 spear
(23, 3, D:7)
  3 gold pieces