Amnesiac

Level 1 of the Dungeon
(0, 0, D:1)
  a bat corpse (skeletalised by now)
(1, 2, D:1)
  a potion of degeneration
(8, -2, D:1)
  a potion of degeneration
(15, -2, D:1)
  a potion of flight

Level 2 of the Dungeon
(0, 0, D:2)
  a +0 dagger