QED

the Dungeon
(0, 0, D)
  a scroll of blinking
  a potion of berserk rage
  a potion of haste
(0, 1, D)
  a cursed -2 dagger
  a kobold corpse
(0, 2, D)
  a +0 dagger
  a goblin corpse
  a goblin corpse
  a goblin corpse
  a goblin corpse