Across
- 3. The powerful deity of the seas and earthquakes; Percy's father.
- 5. The deep abyss of the Underworld; sometimes referenced in connection with magical metals.
- 6. The name of the camp for demigods on Long Island (3 words, no spaces).
- 8. The magical sword given to Percy by Poseidon, disguising itself as a pen.
- 9. The first Titan Lord who served as the primary antagonist.
- 10. Percy's surname.
Down
- 1. The Greek goddess of wisdom and battle strategy; Annabeth's mother.
- 2. The head satyr and protector of Camp Half-Blood; Percy's best friend.
- 3. The species of magical flying horse that is Poseidon's creation.
- 4. The Roman form of Zeus; the main god in Camp Jupiter.
- 6. The centaur activities director who is Chiron's false identity.
- 7. The monstrous labyrinth built by Daedalus.
- 11. The Underworld river that grants temporary invulnerability.