Efficiency

Level 3 of the Dungeon
(0, 0, D:3)
  12 gold pieces

Level 4 of the Dungeon
(0, 0, D:4)
  4 boomerangs
(4, 28, D:4)
  17 stones
(13, 15, D:4)
  a +0 hand axe
(19, -8, D:4)
  20 arrows
(20, 1, D:4)
  a leopard gecko corpse (skeletalised by now)
(25, -11, D:4)
  a +0 ring mail

Level 5 of the Dungeon
(0, 0, D:5)
  a +0 hunting sling
(2, 7, D:5)
  12 arrows
(3, -1, D:5)
  17 bolts
(4, 4, D:5)
  12 gold pieces
(6, -7, D:5)
  a +0 shortbow (still there?)
  23 arrows (still there?)
(20, 9, D:5)
  15 stones
(34, -2, D:5)
  11 gold pieces
(36, -22, D:5)
  a +0 dagger

Level 6 of the Dungeon
(0, 0, D:6)
  a +0 spear (still there?)
  a gnoll corpse (skeletalised by now) (still there?)
(1, -1, D:6)
  a gnoll corpse (skeletalised by now)
(3, 0, D:6)
  a cursed +0 halberd
(7, 14, D:6)
  a jackal corpse (skeletalised by now)
(11, 21, D:6)
  a +0 ring mail
(13, -13, D:6)
  17 poisoned darts
(14, 13, D:6)
  a jackal corpse (skeletalised by now)
(15, 13, D:6)
  5 gold pieces
(16, -6, D:6)
  a +0 hand axe
(19, 8, D:6)
  a +0 cloak
(28, -8, D:6)
  a +0 leather armour
(28, 0, D:6)
  a +0 robe
(29, -9, D:6)
  12 gold pieces
(29, 4, D:6)
  a +0 ring mail
(31, 3, D:6)
  13 gold pieces
(37, 16, D:6)
  a +0 ring mail

Level 7 of the Dungeon
(0, 0, D:7)
  a +0 robe
(4, -12, D:7)
  a +0 rapier
(15, 3, D:7)
  a +0 chain mail
(17, -18, D:7)
  a giant cockroach corpse
(18, -18, D:7)
  a +0 leather armour

Level 8 of the Dungeon
(0, 0, D:8)
  21 arrows
(2, -2, D:8)
  a +0 giant spiked club (still there?)
  an ogre corpse (still there?)
  a killer bee corpse (still there?)
  a killer bee corpse (still there?)
(2, -1, D:8)
  a +0 dagger (still there?)
  a cursed +0 robe (still there?)
  a killer bee corpse (still there?)
  an orc corpse (still there?)
(3, -2, D:8)
  a +0 club (still there?)
  a +0 leather armour (still there?)
  an orc corpse (still there?)
(6, 15, D:8)
  a +0 dagger
(8, 8, D:8)
  2 boomerangs
(9, 21, D:8)
  9 gold pieces
(13, 12, D:8)
  21 stones
(17, -2, D:8)
  a +0 chain mail
(17, 0, D:8)
  17 gold pieces
(19, 9, D:8)
  21 arrows

Level 9 of the Dungeon
[Shop] Teqonud's Antique Weapon Shoppe
  the cursed +1 glaive of Runnon Egro {holy, rC+} (664 gold)
    It has been blessed by the Shining One to cause great damage to the undead
    and demons.
    
    It protects you from cold.
    It has a curse placed upon it.
  a +2 vampiric dagger (432 gold)
  a +0 broad axe (96 gold)
  a +0 hand axe (72 gold)
  a +0 spear (72 gold)
  a +0 giant club (40 gold)
  a +0 spear (72 gold)
  a +0 longbow (108 gold)
  a +0 halberd (96 gold)
  a +0 great sword (156 gold)
(0, 0, D:9)
  a +0 chain mail
(2, -5, D:9)
  a worker ant corpse
(2, -4, D:9)
  a howler monkey corpse
(4, -13, D:9)
  a +0 hunting sling
(4, 1, D:9)
  a +0 ring mail
(13, -6, D:9)
  a +0 scimitar
(17, -2, D:9)
  a +0 hand axe
(30, -12, D:9)
  a +0 ring mail
(34, -15, D:9)
  16 sling bullets