18rune

Level 1 of the Dungeon
(0, 0, D:1)
  5 stones
(0, 7, D:1)
  a scroll of enchant armour
(2, -26, D:1)
  a scarf of invisibility
(18, -21, D:1)
  2 stones
(20, -44, D:1)
  a +0 dagger
(24, -9, D:1)
  a frilled lizard skeleton
(26, -34, D:1)
  2 stones
(27, -4, D:1)
  a rat corpse (skeletalised by now)
(34, -51, D:1)
  a frilled lizard corpse (skeletalised by now)
(36, -1, D:1)
  a +0 short sword
  a kobold corpse (skeletalised by now)
(37, -3, D:1)
  a hobgoblin corpse (skeletalised by now)
(40, -32, D:1)
  a bat corpse (skeletalised by now)
(53, -14, D:1)
  a +0 robe
(55, -29, D:1)
  5 stones

Level 2 of the Dungeon
(0, 0, D:2)
  a +0 club
  2 stones
(16, -10, D:2)
  a +0 whip
(19, 15, D:2)
  6 stones
(20, 30, D:2)
  a +0 dagger
  a goblin skeleton
(21, 30, D:2)
  an adder skeleton
(22, -7, D:2)
  a +0 mace
(22, 1, D:2)
  a bat skeleton
(22, 5, D:2)
  the felid skeleton of Natasha
(22, 8, D:2)
  a +0 dagger
  a +0 robe
(25, 13, D:2)
  7 stones
(37, 11, D:2)
  a +0 short sword
(38, -5, D:2)
  a +0 chain mail
(51, 3, D:2)
  a +0 dagger
(52, 20, D:2)
  a frilled lizard skeleton
(53, 18, D:2)
  a bat corpse (skeletalised by now)

Level 3 of the Dungeon
(0, 0, D:3)
  a +0 dagger
  a goblin corpse
(12, 12, D:3)
  a ball python skeleton
(16, 22, D:3)
  an adder skeleton
(17, 10, D:3)
  a bat skeleton
(17, 26, D:3)
  a +0 dagger
(26, 35, D:3)
  a +0 robe
(44, 19, D:3)
  a +0 trident

Level 4 of the Dungeon
(0, 0, D:4)
  6 gold pieces
(1, 9, D:4)
  a +0 chain mail
(3, 5, D:4)
  4 stones
(6, 7, D:4)
  a potion of heal wounds