Nitrous

Level 1 of the Dungeon
(0, 0, D:1)
  a +0 leather armour
(13, 23, D:1)
  a +0 dagger
(19, -13, D:1)
  a +0 club
(31, 29, D:1)
  23 arrows
(37, 5, D:1)
  a +0 ring mail
(38, 8, D:1)
  a +0 dagger
  4 stones
(43, -1, D:1)
  a +0 club
(48, 19, D:1)
  2 boomerangs

Level 2 of the Dungeon
(4, 14, D:2)
  a +0 spear
(7, 17, D:2)
  a +0 ring mail
(10, 13, D:2)
  a +0 spear
(16, 11, D:2)
  a +0 club
(19, 6, D:2)
  a +0 club
(20, 14, D:2)
  a +0 halberd
(25, -15, D:2)
  a cursed -1 trident
  a +0 ring mail
(25, -13, D:2)
  a +0 dagger
(25, 24, D:2)
  a scroll of noise
(29, -10, D:2)
  a +0 dagger
(30, 26, D:2)
  a +0 dagger
  a +0 hunting sling
  15 stones
(37, -15, D:2)
  a +0 club
  a +0 ring mail
(38, -21, D:2)
  26 bolts
(38, -13, D:2)
  a +0 club
(41, -2, D:2)
  a +0 chain mail

Level 3 of the Dungeon
(0, 0, D:3)
  a +0 dagger
(5, -18, D:3)
  a +0 flail
  a +0 robe
(7, -31, D:3)
  a +0 dagger
(11, -24, D:3)
  a +0 mace
(12, -26, D:3)
  a +0 ring mail
(19, 9, D:3)
  a +0 club
(20, -26, D:3)
  24 bolts
(20, -9, D:3)
  a +0 club
(21, -25, D:3)
  a +0 robe
(27, -8, D:3)
  a +0 short sword
  a +0 leather armour
(29, -8, D:3)
  a +0 whip
(30, -16, D:3)
  a +0 dagger
(31, -35, D:3)
  a +0 robe
(31, 6, D:3)
  a +0 flail
(52, 12, D:3)
  a +0 short sword
  3 stones
(62, -1, D:3)
  23 stones

Level 4 of the Dungeon
(0, 0, D:4)
  a +1 scale mail of fire resistance
(8, 0, D:4)
  32 stones
(12, -3, D:4)
  a +0 leather armour
(20, -5, D:4)
  19 arrows
(29, -13, D:4)
  a bullfrog corpse