Moebius

Level 1 of the Dungeon
(0, 0, D:1)
  a bat corpse (skeletalised by now)
(10, 30, D:1)
  18 stones
(16, -5, D:1)
  a rat corpse (skeletalised by now)

Level 2 of the Dungeon
(0, 0, D:2)
  a scroll of identify