Efficiency

Level 5 of the Dungeon
(0, 0, D:5)
  16 stones
(10, 22, D:5)
  a +0 leather armour
(12, 13, D:5)
  12 gold pieces
(14, 1, D:5)
  11 gold pieces
(18, -6, D:5)
  23 stones
(21, 27, D:5)
  8 gold pieces
(32, 18, D:5)
  11 stones

Level 6 of the Dungeon
(0, 0, D:6)
  15 stones
(4, 2, D:6)
  16 arrows
(4, 3, D:6)
  32 stones
(6, 2, D:6)
  a +0 flail
(7, 4, D:6)
  a +0 ring mail
  a +0 falchion
(13, 21, D:6)
  a +0 hand axe
(14, 11, D:6)
  10 gold pieces
(16, -7, D:6)
  16 arrows (still there?)
  a +1 shortbow of flaming (still there?)
(18, 12, D:6)
  14 sling bullets
(20, 10, D:6)
  a +0 whip
(20, 13, D:6)
  10 gold pieces
(21, -9, D:6)
  8 poisoned darts
(21, 10, D:6)
  a +0 dagger
  (unseen)

Level 7 of the Dungeon
(0, 0, D:7)
  a +0 ring mail
  23 sling bullets
  a +3 spectral quarterstaff
  a +0 hunting sling
(0, 2, D:7)
  a +0 scale mail

Level 8 of the Dungeon
[Shop] Ejuephir's Weapon Shoppe
  a +0 rapier (52 gold)
  a +0 morningstar (52 gold)
  a +0 club (13 gold)
  a +0 trident (45 gold)
  a +0 spear (39 gold)
  18 stones (23 gold)
  a +0 hand axe (39 gold)
  a +0 broad axe (52 gold)
  a +0 hunting sling (19 gold)
(0, 0, D:8)
  an uncursed staff of fire
(1, 0, D:8)
  a +0 short sword (still there?)
  a +0 chain mail (still there?)
(10, -1, D:8)
  a +0 hand axe
  an uncursed amulet of inaccuracy
(20, 7, D:8)
  a +0 spear
(22, -8, D:8)
  a +2 scimitar of freezing
(24, -9, D:8)
  16 stones
(24, 10, D:8)
  24 arrows
(25, -8, D:8)
  a potion of might
(32, -14, D:8)
  a +0 scale mail
(33, -3, D:8)
  a +0 trident
  (unseen)
(33, -2, D:8)
  a +0 dagger (still there?)
  a +0 robe (still there?)
(33, -1, D:8)
  a +0 dagger (still there?)
  a +0 robe (still there?)
(37, -17, D:8)
  a +0 ring mail
(39, -21, D:8)
  a +0 dagger

Level 9 of the Dungeon
(0, 0, D:9)
  a howler monkey corpse (skeletalised by now)
(6, 6, D:9)
  a poisoned dart
(39, 25, D:9)
  19 stones
(41, 23, D:9)
  a +0 falchion
(51, 6, D:9)
  a potion of degeneration
(52, 5, D:9)
  a +0 leather armour (still there?)
  a +0 club (still there?)
(52, 6, D:9)
  a +0 dagger
  a +0 chain mail
  a +0 long sword
  a cursed +0 chain mail
  a +0 ring mail
  a +0 leather armour
  a +0 short sword
(52, 10, D:9)
  a +0 club
  5 boomerangs
  a +0 leather armour
  a cursed -1 dagger
  a +0 ring mail
(53, 5, D:9)
  a +0 leather armour (still there?)
  a +0 hand axe (still there?)
(53, 7, D:9)
  a +0 leather armour
  a +0 club
  a +0 club
  a +0 leather armour
(53, 9, D:9)
  a +0 hand axe
  (unseen)
(53, 10, D:9)
  a +0 war axe (still there?)
  4 boomerangs (still there?)
  a +0 chain mail (still there?)
  a +0 flail (still there?)
  a +0 war axe (still there?)
(53, 11, D:9)
  a +0 short sword
  a +0 morningstar
  a +0 dagger of venom
  a cursed -2 hand axe
(53, 12, D:9)
  a +0 mace
  a cursed +0 scale mail
(54, 10, D:9)
  a +0 hand axe
  (unseen)

Level 10 of the Dungeon
(0, 0, D:10)
  a +0 hand axe
  2 silver boomerangs
  a +0 leather armour
(0, 10, D:10)
  17 gold pieces
(2, -7, D:10)
  a poisoned dart
(7, -9, D:10)
  a +0 dagger
(7, 8, D:10)
  a +0 robe (still there?)
  a +3 battleaxe (still there?)
(8, 8, D:10)
  a +0 robe (still there?)
  a +0 halberd (still there?)
(12, 18, D:10)
  a quokka corpse (skeletalised by now)
(13, 17, D:10)
  a +0 mace (still there?)
  a +0 robe (still there?)

Level 11 of the Dungeon
[Shop] Katur's Armour Emporium
  a +0 robe (8 gold)
  a +0 helmet (54 gold)
  a +0 scale mail (48 gold)
  the +0 chain mail of the Lotus Blossom {Harm rElec} (222 gold)
    It insulates you from electricity.
    It increases damage dealt and taken.
  a +2 leather armour of fire resistance (228 gold)
  a +2 ring mail of fire resistance (252 gold)
  a +0 crystal plate armour (960 gold)
  a cursed +0 plate armour (240 gold)
(0, 0, D:11)
  a large rock
(4, 1, D:11)
  3 large rocks
(6, -2, D:11)
  a large rock
(7, 17, D:11)
  a +0 shortbow
(12, 3, D:11)
  a +0 chain mail (still there?)
  a +0 dire flail (still there?)
  an orc corpse (skeletalised by now) (still there?)
(15, 14, D:11)
  a +0 leather armour
(28, 18, D:11)
  2 poisoned darts
  a polar bear corpse
(28, 19, D:11)
  a manticore corpse
(28, 36, D:11)
  a +0 quarterstaff
(29, 18, D:11)
  a +1 dagger of venom
(29, 19, D:11)
  a +0 glaive
  a +0 plate armour
  an orc corpse
  an orc corpse
(30, 14, D:11)
  a +0 giant spiked club
  an ogre corpse
(32, 9, D:11)
  an ugly thing corpse
(38, 16, D:11)
  a +0 mace

Level 12 of the Dungeon
(1, -3, D:12)
  18 gold pieces
(6, 4, D:12)
  a wand of flame (23)
(7, 0, D:12)
  25 bolts
(13, -19, D:12)
  11 gold pieces
(14, -13, D:12)
  a +0 leather armour
  a +0 dagger
  a +0 leather armour
  an orc corpse
(15, -20, D:12)
  23 gold pieces
(15, -15, D:12)
  20 gold pieces
(18, -20, D:12)
  9 gold pieces
(18, -10, D:12)
  a +0 short sword
  18 gold pieces

Level 13 of the Dungeon
(0, 0, D:13)
  a cursed -1 battleaxe
(0, 6, D:13)
  a potion of might
(4, 3, D:13)
  a potion of cancellation
(5, 8, D:13)
  6 poisoned darts