operator

Level 1 of the Dungeon
(8, -36, D:1)
  a parchment of Swiftness
(9, -27, D:1)
  a rat corpse (skeletalised by now)
(12, -27, D:1)
  2 large rocks

Level 2 of the Dungeon
(9, 9, D:2)
  a +0 club
  a goblin corpse
(20, 22, D:2)
  a scroll of identify

Level 3 of the Dungeon
(0, 0, D:3)
  a parchment of Iskenderun's Mystic Blast

Level 4 of the Dungeon
(0, 0, D:4)
  a wand of paralysis (11)
(4, -10, D:4)
  a +0 whip
(5, 0, D:4)
  a scroll of teleportation
(6, -4, D:4)
  a +0 dagger
  a goblin corpse
(11, -10, D:4)
  a potion of resistance
(21, -12, D:4)
  8 gold pieces
(24, -12, D:4)
  an adder corpse