Across
- 3. The main antagonist of the books
- 4. Son of Hades, hates Percy
- 7. Athena's daughter and Percy's love interest
- 9. Percy's half brother
- 11. Lord of the Underworld
- 12. The cursed follower of Athena
- 13. Annabeth, Thalia and he reached CHB together
- 14. God of War
Down
- 1. The reciter of the prophecies
- 2. The subject of Percy's second quest
- 5. Time displaced twin
- 6. River of the Underworld
- 8. The Percy's best friend
- 10. The tree guarding camp half blood and Zeus' daughter