Percy Jackson and the Olympians: The Last Olympian

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Across
  1. 1. A river in the underworld that makes souls forget their lives.
  2. 4. The food of the gods in Greek mythology.
  3. 7. A moving mechanical device made in imitation of a human being.
  4. 8. Snake women
  5. 9. The iron that makes up Nico's blade.
Down
  1. 2. The wife of the giant Typhon.
  2. 3. A body of troops standing or moving in a close formation.
  3. 5. A six letter word for club.
  4. 6. A giant, serpent-like monster that is several millennia older than dragons.
  5. 7. Another word offer an official pardon.