Across
- 2. A flying Ship which a character drew as a child.
- 6. A giant who captured piper's father and is blackmailing her.
- 10. Husband to Gaea, he was chopped into pieces by his own son Cronus.
- 11. Son of Iris. Was with Annabeth when she found Jason Leo and Piper.
- 15. The Greek god of blacksmiths and fire, son to Hera.
- 16. The home of Lupa where Hera is imprisoned.
- 18. An evil cyclops defeated by Leo who was getting ready to eat Piper and Jason
- 20. Mother nature, mother of the Titans and of the Giants.
- 21. Percy's first friend and a satyr. Currently looking for Percy along with Tyson.
- 23. The first of the twelve Olympians, born into this world from the foam that formed from the blood of Uranus.
- 26. The son of Poseidon who is thought to be missing throughout the book.
- 28. King of the gods and the god of the sky. Father to Jason and Thalia.
- 29. He loves to work with machines and can control fire.
- 30. Boreas's roman form.
- 31. The son of Zeus who has a coin that, when flipped, can turn into either a sword or a spear.
Down
- 1. A girl who has "stolen" a car by asking for it.
- 3. The queen of the gods and the goddess of marriage. She is not fond of demigods whatsoever, especially sons and daughters of Zeus.
- 4. A son of Poseidon with one big eye who, along with Grover, is looking for Percy, his brother.
- 5. The goddess of rainbows, called upon by demigods to communicate long distances.
- 7. Daughter of Athena, has gray eyes, is also featured in other books such as Magnus Chase and the Gods of Asgard, and Percy Jackson And The Olympians.
- 8. A dragon whose name means "Happy". His head was also mounted on the front of the Argo two.
- 9. The king of the Giants who will rise from the earth after Hera is destroyed.
- 12. The daughter of Boreas and the goddess of snow.
- 13. The Roman name for storm spirits, which can take two forms, a humanoid storm cloud, or a chaotic horse.
- 14. Known as "the mother wolf" she helps roman demigods get strong enough to get to their secret camp. She also told Jason where he would find where Hera was imprisoned
- 15. Goddess of magic who usually has a weasel who used to be a human with her.
- 17. The god of the North wind, usually friendly to demigods, but not friendly right now.
- 19. Leo's evil babysitter who is secretly Hera. She once let Leo sleep inside a lit fireplace.
- 22. The king of the ocean and father to Percy Jackson.
- 24. God of the underworld and husband to Persephone.
- 25. A storm spirit who ran off with coach hedge at the grand canyon in the beginning of the book.
- 27. He is the god of wine and is restricted to only drinking diet coke.