The sun and the star(Percy jackson)

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Across
  1. 3. Who is the Demon of Nightmares
  2. 7. Who is the Godess of retribution
  3. 8. The place Nico and Will are trying to get to?
  4. 10. Who is the Son of Hades?
  5. 11. What is the river of fire in the underworld called
  6. 12. What is the name of the river Nico and Will took
  7. 13. Who is the Villain of the story?
Down
  1. 1. What are Nico's Cocoa Puffs
  2. 2. Who is Son of Apollo?
  3. 4. What is Nico's sword made of
  4. 5. What was the name of the Mania
  5. 6. what is Nico sister's name
  6. 9. What is the Nymph who lives in the underworld
  7. 11. Who is The demigod son of Poseidon?