69 pages • 2 hours read
Rick RiordanA modern alternative to SparkNotes and CliffsNotes, SuperSummary offers high-quality Study Guides with detailed chapter summaries and analysis of major themes, characters, and more. For select classroom titles, we also provide Teaching Guides with discussion and quiz questions to prompt student engagement.
Nico begins the summoning ritual. Minos drinks the offering and warns Nico not to trust Percy. When Bianca’s ghost appears, she tells Percy not to feel responsible for her death and tells Nico not to blame Percy either. Bianca hasn’t been answering Nico’s summons hoping that he would give up his mission. She has been secretly Iris messaging Percy so he would stop Nico. Before she vanishes, Bianca tells Nico to give up his dangerous grudge.
That night, Percy has two dreams. In the first, Luke grants Kampe a place in the army so she can get revenge. Then Percy dreams of Daedalus in his workshop becoming annoyed by the boasts of his nephew Perdix. In anger, Daedalus tricks Perdix into tumbling over a balcony to his death, so Athena curses Daedalus for eternity.
The group leaves the ranch, but Nico stays behind with Eurytion. Eurytion gives the group a spider robot to follow to Hephaestus’s forge. Back in the Labyrinth, they encounter a Sphynx. Annabeth volunteers to answer the Sphynx’s riddle, a 20-question trivia test. Annabeth can answer the questions correctly but feels insulted by the lack of challenge. She refuses to continue the test, so the Sphynx attacks. As they fight, Grover enchants piles of pencils to trap the Sphynx. The group escapes through the tunnel and catches up to the spider.
The group arrives at Hephaestus’s forge. The god thinks their quest for Daedalus is a waste of time. Hephaestus comforts Tyson, who is still upset about Briares, and corrects the story of his expulsion from Olympus; it was Hera, not Zeus, who threw him from Olympus. He offers to give them information, but only if they will investigate who has been using his forge in Mount St. Helens. On the way, they pass a dirt tunnel that Grover thinks leads to Pan. Tyson and Grover split from the quest to follow the tunnel, leaving Annabeth and Percy to continue alone.
At Mount St. Helens, Percy and Annabeth split up. Annabeth uses her Yankees cap to turn invisible to investigate the monsters forging a new weapon for Kronos. Percy sneaks into a classroom where dozens of young telekhines (sea monsters) watch a movie and discuss their hatred for the Olympians. Percy reveals himself and kills some of the monsters before meeting back up with Annabeth. She uses her invisibility cap to escape, kissing Percy as she leaves.
Without a plan and refusing to use Quintus’s gift, Percy fears he is going to die. The telekhines throw lava at him, but his ocean powers temporarily dull the heat. In pain from the fire, Percy visualizes the ocean. He lets out a huge scream that summons a tidal wave. His power creates an explosion that propels him out of the mountain.
Percy wakes on the island of Ogygia where Calypso tends his burns. He feels unnerved by the paradise island because the last time he was on a mystical island, Circe turned him into a guinea pig, but Calypso only wants to help him fully heal. Calypso tells him of her punishment to live on the “phantom island” of Ogygia for eternity (212). Hephaestus arrives to report on the damage from the explosion and tell Percy that he can find Daedalus by using a clear-sighted mortal.
Stunned by the explosion’s scale, Percy wonders if he should stay on the island to keep everyone safe. Calypso gives Percy the option to stay on Ogygia forever and escape his prophecy. He is torn but knows he cannot let his friends fight alone. Percy sails away contemplating the cruelty of Calypso’s punishment. He sets his course for Camp Half-Blood.
These chapters introduce the half-bloods’ fatal flaws. A fatal flaw is a literary device that creates a specific, inescapable weakness in a character that causes their downfall. Nico’s fatal flaw is holding grudges, which “is dangerous for a child of Hades” (167): Nico’s grudge against Percy’s supposed involvement in Bianca’s death leads him to work with King Minos, who can manipulate Nico’s desire for revenge for his own personal agenda. Annabeth’s fatal flaw is hubris, or amplified feelings of pride that can lead to an overestimation of one’s abilities: Annabeth’s arrogance about her intellect stops her from answering the Sphynx’s “dumb, random facts” (184), forcing the group to fight the Sphynx. Percy’s fatal flaw is excessive loyalty—he sacrifices his safety for friends and strangers without second thought, which places him in the middle of dangerous situations, and even creates dangerous situations that otherwise wouldn’t have occurred.
Riordan uses the story of Hephaestus’s rejection from Olympus to explain the god’s isolation and to cast suspicion on Hera’s motives, since she lied about her involvement in his expulsion, exemplifying her duplicity. Hephaestus now believes all people are similarly deceitful and urges Tyson, his admirer, to only “trust the work of your own hands” (191). Tyson, however, does not want to end up alone and unhappy like Hephaestus; instead, Tyson breaks away from Hephaestus’s philosophy when he chooses to follow Grover down the dirt tunnel because he “trusts friends” (195). This decision allows Tyson and Grover to become closer despite their earlier friction.
The theme of determinism and the binding will of the Fates, first introduced through the Great Prophecy that haunts Percy, now recurs through the story of Calypso. Doomed by the Fates to fall in love with the heroes who find her and who never choose to stay, Calypso’s punishment is to be in a perpetual state of heartbreak. In Homer’s version of the myth, Calypso imprisons Odysseus on her island and only lets him leave when the gods directly command her. Riordan chooses a more sympathetic image of Calypso to contrast her with the evil island sorceress, Circe, whom Percy met in a previous novel. Though Percy contemplates staying with Calypso to escape the Great Prophecy, he, like the other heroes before, chooses to leave her behind. Though it is Percy’s choice, the outcome continues Calypso’s punishment.
By Rick Riordan
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