Efficiency

Level 6 of the Dungeon
(0, 0, D:6)
  15 gold pieces
(8, 23, D:6)
  a +0 hand axe
(13, 9, D:6)
  25 stones
(18, 13, D:6)
  a scroll of teleportation

Level 8 of the Dungeon
(0, 0, D:8)
  13 stones
(5, 32, D:8)
  a scroll of amnesia
(28, 13, D:8)
  a ring of willpower
(29, 15, D:8)
  28 stones
(30, 16, D:8)
  9 stones

Level 9 of the Dungeon
[Shop] Yfih's Antique Armour Boutique
  a +0 chain mail (94 gold)
  the +5 chain mail "Luco" {rN+} (854 gold)
    rN:        It protects you from negative energy.
  a +0 robe (14 gold)
  a +4 chain mail of fire resistance (661 gold)
  a +0 leather armour (42 gold)
  a +1 scale mail of positive energy (273 gold)
  a +0 scale mail (84 gold)
  a +0 ring mail (84 gold)
(0, 0, D:9)
  a book of Minor Magic
(24, -15, D:9)
  a +0 hand axe
(36, -23, D:9)
  16 stones
(41, -37, D:9)
  the +2 shield of Resistance {rF++ rC++ Will++}
    rF:        It greatly protects you from fire.
    rC:        It greatly protects you from cold.
    Will:      It greatly increases your willpower.
(43, -23, D:9)
  a +0 buckler
(44, -15, D:9)
  16 stones
(46, 1, D:9)
  a +0 mace
(47, -22, D:9)
  the +1 robe "Iggoi" {rC+ SInv Stlth-}
    rC:        It protects you from cold.
    SInv:      It lets you see invisible.
    Stlth:     It makes you less stealthy.
(50, -22, D:9)
  a wand of paralysis (8)