The last Olympian

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Across
  1. 2. The building that you go through to get to Olympus
  2. 4. Nico's dad
  3. 8. The lord of the Titans
  4. 10. The main daughter of Athena
  5. 12. The main child of Ares
  6. 15. Percy _______
  7. 17. Percy's godly father
  8. 19. Percy's mom
  9. 20. The titan attacking Olympus
Down
  1. 1. Percy's satyr friend
  2. 3. infernal regions of ancient Greek mythology
  3. 5. The trainer of the halfblods
  4. 6. the god of the wild
  5. 7. The camp the hhalf bloodsgo to
  6. 9. The child of a god and a mortal
  7. 11. Nico's dead sister
  8. 13. The author of the Percy Jackson series
  9. 14. The main child of hephestus
  10. 16. The river Pery bathes in to get the curse of Achilles
  11. 18. Percy's mom's boyfriend