Nitrous

Level 1 of the Dungeon
(0, 0, D:1)
  2 stones
(3, 0, D:1)
  a +0 dagger
(8, -8, D:1)
  6 poisoned darts
(14, 10, D:1)
  2 atropa-tipped darts
(27, -3, D:1)
  3 datura-tipped darts
(35, 28, D:1)
  a +0 short sword
(61, 13, D:1)
  a +0 mace

Level 2 of the Dungeon
(0, 0, D:2)
  5 silver javelins
(1, -21, D:2)
  a +0 crystal plate armour
(8, -11, D:2)
  a +0 falchion
(17, -50, D:2)
  4 poisoned darts
(19, -31, D:2)
  a +0 short sword
(20, -27, D:2)
  a +0 hand axe
  a +0 leather armour
(30, -2, D:2)
  2 poisoned darts
(33, -36, D:2)
  a +0 dagger
  a +0 robe
(39, -36, D:2)
  a +0 whip
(41, -36, D:2)
  the +1 Delatra's gloves {ID++}
    ID++:       It heals its wearer when they drink unknown potions, and
    restores their MP when they read unknown scrolls.
(42, -27, D:2)
  a +0 dagger
(44, -5, D:2)
  a +0 short sword
  4 stones
(46, -45, D:2)
  a +0 leather armour
  a +0 club
(47, -22, D:2)
  a +0 ring mail
  a boomerang
  a +0 club
(50, -33, D:2)
  a +0 club

Level 3 of the Dungeon
(0, 0, D:3)
  a +0 mace
(7, -7, D:3)
  a scroll of immolation
(7, 4, D:3)
  a scroll of enchant weapon
(8, -7, D:3)
  an amulet of magic regeneration
(8, 4, D:3)
  a quokka corpse
(32, 11, D:3)
  a +0 dagger
  an orc corpse
(33, 13, D:3)
  8 stones
(36, 14, D:3)
  a +0 mace
(38, -9, D:3)
  a +0 helmet
(42, 1, D:3)
  a +1 heavy falchion
(43, 12, D:3)
  a +0 robe
  a giant cockroach corpse