Efficiency

Level 1 of the Dungeon
(0, 0, D:1)
  a book of Dangerous Friends

Level 2 of the Dungeon
(14, 28, D:2)
  10 gold pieces

Level 3 of the Dungeon
(0, 0, D:3)
  a +0 robe (still there?)
  a +0 scythe (still there?)
(1, 12, D:3)
  a +0 leather armour

Level 4 of the Dungeon
(0, 0, D:4)
  16 gold pieces
(7, 25, D:4)
  a +0 spear
(9, 7, D:4)
  an Everburning Encyclopedia
(9, 8, D:4)
  a +0 short sword
  (unseen)
(10, 6, D:4)
  a +0 hand axe

Level 5 of the Dungeon
(0, 0, D:5)
  a +0 leather armour
  a +1 rapier of protection
(4, 10, D:5)
  21 stones
(17, -20, D:5)
  a +0 robe
(21, 14, D:5)
  a +0 leather armour
(23, 17, D:5)
  21 sling bullets

Level 6 of the Dungeon
(0, 0, D:6)
  a poisoned dart
(2, 2, D:6)
  a poisoned dart
(2, 3, D:6)
  a poisoned dart
(10, -30, D:6)
  a curare-tipped dart
(12, -17, D:6)
  7 gold pieces
(14, 9, D:6)
  18 stones
(15, -36, D:6)
  a +0 leather armour
(16, -27, D:6)
  a book of Alchemy (still there?)
  15 gold pieces (still there?)
(18, -27, D:6)
  2 javelins
(18, -24, D:6)
  24 arrows
(20, -6, D:6)
  32 stones
(21, -22, D:6)
  a +0 flail (still there?)
  a +0 leather armour (still there?)
(22, -21, D:6)
  a +0 hand axe (still there?)
  a +0 leather armour (still there?)
(23, -26, D:6)
  a +0 flail

Level 7 of the Dungeon
(6, 0, D:7)
  10 gold pieces
(22, -1, D:7)
  a +0 ring mail
(29, -2, D:7)
  18 gold pieces

Level 8 of the Dungeon
[Shop] Heclikoa's Weapon Emporium
  a +0 glaive (78 gold)
  21 arrows (50 gold)
  a +0 dagger (24 gold)
  a +0 long sword (42 gold)
  a +0 quarterstaff (48 gold)
  23 arrows (55 gold)
  the +4 trident "Founti" {freeze, rN+ Int-4 SInv Stlth+} (433 gold)
    It freezes those it strikes, dealing additional cold damage. It can also
    slow down cold-blooded creatures.
    
    Int:       It affects your intelligence (-4).
    rN:        It protects you from negative energy.
    SInv:      It lets you see invisible.
    Stlth:     It makes you more stealthy.
  a +0 halberd (48 gold)
  10 stones (12 gold)
  a +0 war axe (42 gold)
  4 javelins (38 gold)
(0, 0, D:8)
  a +0 long sword
  a +0 robe
  a +0 falchion
  a +0 robe
  a +0 dagger
  a +0 robe
(1, 0, D:8)
  the +5 quarterstaff of Superiority {venom, Int+2 Dex+4}
    It poisons the flesh of those it strikes.
    
    Int:       It affects your intelligence (+2).
    Dex:       It affects your dexterity (+4).
(4, -1, D:8)
  a +0 mace
(23, -30, D:8)
  3 poisoned darts
(37, 13, D:8)
  8 stones
(39, 8, D:8)
  a +0 club
(41, -28, D:8)
  a +0 club
(41, -16, D:8)
  a +0 scale mail
(44, 22, D:8)
  17 sling bullets
(46, 9, D:8)
  a +0 whip
  (unseen)
(51, 10, D:8)
  a +1 dagger of speed (still there?)
  2 stones (still there?)
  a +0 dagger (still there?)
(51, 11, D:8)
  a +0 short sword
(52, 10, D:8)
  a +0 club (still there?)
  a +0 whip (still there?)
(53, 8, D:8)
  a +0 quarterstaff

Level 9 of the Dungeon
[Shop] Hiosm's Armour Shop
  a +0 leather armour (28 gold)
  a +0 helmet (63 gold)
  a +0 robe (9 gold)
  a +2 scale mail of poison resistance (252 gold)
  a +0 robe (9 gold)
  a +1 crystal plate armour (1218 gold)
  a +0 leather armour (28 gold)
(0, 0, D:9)
  a +0 scale mail
  a +0 ring mail
(14, 7, D:9)
  a potion of degeneration
(17, -7, D:9)
  a +0 morningstar
(23, 31, D:9)
  a +2 whip of freezing (still there?)
  2 stones (still there?)
(23, 32, D:9)
  a +0 club
(23, 33, D:9)
  a +0 short sword (still there?)
  a +0 short sword (still there?)
  a stone (still there?)
(24, 31, D:9)
  a +0 dagger
(24, 32, D:9)
  a +0 whip
(24, 33, D:9)
  a +0 short sword
(25, -20, D:9)
  22 bolts
(42, 34, D:9)
  21 arrows
(54, 18, D:9)
  a +0 robe

Level 10 of the Dungeon
(0, 0, D:10)
  a +0 club
(6, -2, D:10)
  a potion of degeneration
(7, -1, D:10)
  a +0 great mace
(18, 16, D:10)
  a +0 dagger (still there?)
  a +0 robe (still there?)
(18, 18, D:10)
  a +0 dire flail
  a +3 war axe
  a +0 chain mail
  an orc corpse (skeletalised by now)
(19, 18, D:10)
  a +0 hand axe
  an orc corpse (skeletalised by now)
(19, 21, D:10)
  a +0 flail
(21, -10, D:10)
  a +0 robe
  a +0 robe
  a +0 short sword
(21, 8, D:10)
  a +0 robe
(22, -11, D:10)
  a +0 robe
(24, -11, D:10)
  a poisoned dart
(24, 4, D:10)
  a +0 leather armour
(24, 5, D:10)
  a +0 robe
(26, -11, D:10)
  a +0 dire flail
  a +0 giant spiked club
(41, -19, D:10)
  27 stones
(42, -17, D:10)
  a +0 leather armour
(42, -13, D:10)
  a +0 robe
  a +0 dagger
(50, -10, D:10)
  a +0 whip
(51, -11, D:10)
  a +0 club
  (unseen)
(51, -10, D:10)
  a +0 robe (still there?)
  a +0 dagger (still there?)
(52, -12, D:10)
  a +0 ring mail (still there?)
  a +0 hand axe (still there?)
  an orc corpse (skeletalised by now) (still there?)
(52, -10, D:10)
  a +0 flail
(53, -12, D:10)
  a +0 flail

Level 11 of the Dungeon
(0, 0, D:11)
  a +0 long sword
(2, 3, D:11)
  15 arrows
(2, 4, D:11)
  a +0 arbalest
(5, 1, D:11)
  a killer bee corpse
(5, 3, D:11)
  a killer bee corpse
  a killer bee corpse
(6, -7, D:11)
  a +0 scimitar of flaming
  a +2 robe of positive energy
  the human corpse of Erica
(7, -6, D:11)
  a +0 mace
(7, -1, D:11)
  a +0 fustibalus
(8, -6, D:11)
  a centaur corpse
(8, 0, D:11)
  24 sling bullets
(9, -13, D:11)
  5 gold pieces
(10, 2, D:11)
  a +0 whip of electrocution
  a +1 hand axe
  a potion of heal wounds {@q2}
(12, -9, D:11)
  a +0 shortbow (still there?)
  22 arrows (still there?)
(22, 5, D:11)
  35 stones