Across
- 3. The Oracle of Delphi's full name
- 6. A centaur, son of Kronos
- 7. Son of Tyr
- 12. Hearthstone's father
- 15. Percy Jackson's sword
- 17. Main character, son of Hermes
- 20. Son of Bacchus
- 21. Percy's friend, a satyr
- 23. Son of Venus
- 24. Piper's father
- 28. Bane of Ares
- 31. Einherjar from Flam, Norway
- 32. Hunter of Artemis and a daughter of Zeus
- 33. Son of Hermes, Will's friend
- 36. Legacy of Apollo
- 37. Titan (aka Bob)
- 40. Einherjar daughter of Frigg
- 42. Main character, child of Loki
- 43. Main character, son of Hephaestus
- 45. Son of Apollo
- 46. Daughter of Atlas
- 48. Samirah's fiancém
- 49. Magnus Chase's sword
- 50. Son of Nemesis
- 51. Daughter of Hades
- 52. Main character, son of Mars
Down
- 1. Main character, son of Poseidon
- 2. Former praetor, daughter of Bellona
- 4. Main character, daughter of Athena
- 5. Leo and Piper's satyr protector
- 8. Harpy with an eidetic memory
- 9. Creator of the Labyrinth
- 10. Main character, son of Frey
- 11. Main character, a deaf elf
- 13. Main character, daughter of Aphrodite
- 14. Percy's half-brother, a Cyclops
- 16. Percy's mother
- 18. Daughter of Aphrodite
- 19. Former praetor, son of Jupiter
- 22. The Bronze Dragon
- 25. Daughter of Hecate, Will's friend
- 26. Somewhat main character, son of Hades
- 27. Main character, son of Freya
- 29. Daughter of Ares
- 30. Main character, Valkyrie daughter of Loki
- 34. Son of Hecate (no middle initial)
- 35. Daughter of Bellona, Reyna's sister
- 38. Main character, daughter of Pluto
- 39. Daughter of Aphrodite
- 41. Hedge's wife
- 44. Son of Hephaestus
- 47. Titaness, Percy and Leo's love