Across
- 4. Stolen, causing chaos.
- 6. Drink of the gods.
- 8. Titan lord, father of Zeus.
- 13. Abyss of the Underworld.
- 15. Daughter of Ares, rival at camp.
- 18. Term for demigods.
- 22. Son of Poseidon, destined hero.
- 23. King of the gods, ruler of lightning.
- 24. Gorgon with snakes for hair.
- 26. Flower causing time distortion.
- 27. Percy's celestial bronze sword.
- 28. Child of a god and a mortal.
- 29. A prediction of future events.
- 32. Training ground for demigods.'
- 33. Daughter of Zeus, a tree now.
Down
- 1. The world tree.
- 2. God of the sea, Percy's father.
- 3. Protagonist, son of Poseidon.
- 5. Messenger of the gods, Percy's uncle.
- 7. Daughter of Athena, Percy's friend.
- 9. Home of the Greek gods.
- 10. Shield of Zeus and Athena.
- 11. Journey undertaken by heroes.
- 12. Wise centaur, trainer of heroes.
- 14. Percy's mortal mother.
- 16. Percy's satyr friend.
- 17. Safe haven for demigods.
- 19. Vengeful spirits of the underworld.
- 20. Prophetic priestess.
- 21. Half-man, half-bull creature.
- 25. Food of the gods.
- 30. God of the Underworld.
- 31. Three-headed dog guarding Hades.