| . | . | . |
| What happened to the Oracle who made the Great Prophecy? | |
| Who kills Maria di Angelo? | |
| Which goddess helps Percy and Nico? | |
| Which goddess told Percy to 'beware the rivers'? | |
| Who arrives on Olympus to give Percy and Annabeth messages? | |
| Silena Beauregard is the daughter of which goddess? | |
| What color eyes does Kronos have? | |
| Who does Nico convince to go and fight in the war? | |
| Which mother and daughter accompany Hades in the Underworld? | |
| What message must Rachel give to Percy? | |
| Who destroys the drakon single-handedly? | |
| Who arrives with the Party Ponies? | |
| What is the name of the monster that fought with the Olympians? | |
| Who saved the Olympians? | |
| What was the cursed blade? | |
| Why was the blade cursed? | |
| One of Kronos' demigods tried to kill him but failed. What is the name of said demigod's mother? | |
| Which gods asks Percy to keep his son safe? | |
| Which of Apollo's sons used healing magic on Annabeth? | |
| Who healed Annabeth completely? | |
| What did the gods offer Percy? | |
| Why did Percy give up his gift? | |
| Who became the new Oracle? | |
| Who is Percy's girlfriend at the end of the book? | |
| Where did Percy and Annabeth kiss uninterrupted? | |