Percy Jackson Puzzle

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Across
  1. 4. not killable
  2. 5. chinese canadian
  3. 6. ol' goat buddy
  4. 7. berkely
  5. 13. king big
  6. 15. ship name
  7. 18. lightning
  8. 19. centaur
  9. 20. ground girl
  10. 21. halfblood
  11. 22. blond hair
  12. 23. time
Down
  1. 1. seaweed brain
  2. 2. the gods are
  3. 3. wise girl
  4. 8. poison and snakes
  5. 9. rome river
  6. 10. love girl
  7. 11. religion
  8. 12. are real
  9. 13. mr. ocean
  10. 14. queen diamonds
  11. 16. creepy
  12. 17. tofu taco expert
  13. 19. long island sound