Across
- 2. is One with eyes that turn people to stone
- 3. Blade able to kill gods and humans
- 4. Currency used for Olympus
- 8. Father of the Big Three
- 9. How Percy and Grover got trapped in the casino
- 10. Used to leave the Underworld
- 11. Mix of human and god
- 14. Given to Percy as a gift by Luke
- 15. God of wild places
- 17. Old "ladies" who cut yarn
- 18. Percy's mentor; centaur
- 20. Hades's symbol of power
Down
- 1. Baseball team cap that made Annabeth invisible
- 5. Percy's first weapon
- 6. Monster that killed Percy's mother
- 7. Percy's father
- 12. Greek gods' residence
- 13. Drink with healing powers for demigods
- 16. Golden blood
- 19. Told Percy the Great Prophecy