Jason Grace, Piper McLean, and Annabeth Chase infiltrate Odysseus' Palace in Ithaca using Hazel Levesque's magic, where a gathering of evil spirits or suitors is occurring. How can a handful of young demigods hope to persevere against Gaea's army of powerful giants? As dangerous as it is to head to Athens, they have no other option. The gods, still suffering from multiple personality disorder, are useless. The Athena Parthenos will go west the Argo II will go east. Though it is tempting to take the Athena Parthenos to Athens to use as a secret weapon, the friends know that the huge statue belongs back on Long Island, where it might be able to stop a war between the two camps. The Roman legion from Camp Jupiter, led by Octavian, is almost within striking distance. The demigods are having more frequent visions of a terrible battle at Camp Half-Blood. She needs their blood-the blood of Olympus-in order to wake. They must be stopped before the Feast of Spes, when Gaea plans to have two demigods sacrificed in Athens.

Her giants have risen-all of them, and they're stronger than ever. Though the Greek and Roman crew-members of the Argo II have made progress in their many quests, they still seem no closer to defeating the earth mother, Gaea. Disney Hyperion sent 'Swag' boxes full of Heroes of Olympus goodies to famous youtubers and included a clue about the Seven, plus Nico and Reyna, on whether they will survive the final battle. On August 19th, 2014 the official chapter preview was released through Disney Hyperion. On June 30, 2014, Rick Riordan stated on Twitter that Reyna Ramírez-Arellano would have a POV. In the chapter preview, Jason Grace is shown to have a POV. On May 17th, 2014, The Blood of Olympus sneak preview leaked early three days earlier than scheduled. The first chapter of The Blood of Olympus was released along with the e-single of The Staff of Serapis on May 20th, 2014.

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