Nitrous

Level 1 of the Dungeon
(4, -7, D:1)
  a serpent talisman
(18, -1, D:1)
  a +0 mace
(18, 15, D:1)
  5 stones
(21, -12, D:1)
  a +0 dagger
  3 stones
(32, -8, D:1)
  a +0 dagger
(34, 7, D:1)
  7 stones
(37, 3, D:1)
  7 stones
(47, 18, D:1)
  a +0 dagger

Level 2 of the Dungeon
(0, 0, D:2)
  a +0 leather armour
(13, 20, D:2)
  a +0 short sword
(22, 4, D:2)
  a +0 robe
(22, 5, D:2)
  a +0 whip
  a stone
(47, 16, D:2)
  a +0 club
(47, 33, D:2)
  a +0 robe
(48, 21, D:2)
  a +0 plate armour
(48, 24, D:2)
  2 poisoned darts
(50, 10, D:2)
  8 stones
(53, 11, D:2)
  7 stones

Level 3 of the Dungeon
(0, 0, D:3)
  a +0 mace
(2, -12, D:3)
  a +0 spear
(3, -16, D:3)
  a +0 flail
(5, -15, D:3)
  a +0 halberd
(7, -16, D:3)
  a +0 quarterstaff
(8, -9, D:3)
  a blade talisman
(14, -12, D:3)
  a +0 spear
(14, -10, D:3)
  6 stones
(15, 10, D:3)
  a +0 whip
(26, -8, D:3)
  a +0 chain mail
  a +0 dagger
(27, 11, D:3)
  a hobgoblin corpse
(28, -21, D:3)
  a jackal corpse
(31, -24, D:3)
  a +0 dagger
(31, -12, D:3)
  a +0 ring mail
  a +0 war axe
(31, -9, D:3)
  a +0 trident
  a +0 scale mail
  an orc skeleton
(34, -10, D:3)
  a +0 sling
  a +0 ring mail
  a +0 falchion
  a +0 flail
  a +0 dagger
  a +0 dagger
(36, 4, D:3)
  a +0 club
  a goblin corpse
(37, 4, D:3)
  a +0 club
(37, 5, D:3)
  a hobgoblin corpse