Amnesiac

Level 1 of the Dungeon
(0, 0, D:1)
  a stone
(5, -1, D:1)
  a rat corpse
(5, 1, D:1)
  a rat corpse
(12, 2, D:1)
  a potion of lignification
(12, 3, D:1)
  a potion of invisibility