Jason Grace

Other elements of the novel were also well-received. Booklist wrote that "the backstory of a master plan to unseat the gods is complex but is doled out in manageable bits with a general air of foreboding", while also appreciating "[f]lashes of humor [that] lighten the mood at times". They conclude, "[w]ith appealing new characters within a familiar framework, this spin-off will satisfy the demand for more. The Son of Neptune was released on October 4, From Wikipedia, the free encyclopedia.

The Lost Hero First edition cover. List of characters in mythology novels by Rick Riordan. The Son of Neptune. Library of Congress lccn. Retrieved November 9, The New York Times. Archived from the original on October 14, Archived from the original on February 16, Retrieved October 28, Archived from the original on June 5, Retrieved June 19, Retrieved October 26, Retrieved November 30, Archived from the original on September 9, Retrieved June 18, The Online World of Rick Riordan".

Archived from the original on October 15, Archived from the original on October 26, Retrieved January 22, Archived from the original on August 19, Retrieved April 28, Archived from the original on March 31, Lexile Framework for Reading. Archived from the original on April 28, Retrieved April 27, Retrieved October 24, Archived from the original on October 16, Archived from the original on June 22, Retrieved October 30, Archived from the original on May 21, Retrieved July 12, Archived from the original on October 20, Retrieved October 22, Retrieved April 28, — via kcls Library Catalog.

The Heroes of Olympus, Book One. Archived from the original on May 9, Pacific Northwest Library Association. Archived from the original on October 12, Retrieved November 17, Retrieved January 4, Retrieved November 25, The Lightning Thief Percy Jackson: Sea of Monsters Film cast members. The Lightning Thief musical. Retrieved from " https: Use mdy dates from April Pages to import images to Wikidata.

Views Read Edit View history. This page was last edited on 18 December , at By using this site, you agree to the Terms of Use and Privacy Policy. The Heroes of Olympus book 1. The twins mention that even if Percy should be kept alive for the bounty, Annabeth is already doomed and Leo, Hazel, and Frank are locked up, meaning the giants can kill Percy, Jason, and Piper they even claim to have choreographed their deaths.

They also mention that Gaea will rise in only a month. The three lunge into battle, with Jason attacking Otis, Percy attacking Ephialtes, and Piper trying to defend Nico from the released animals and monsters. A hydra is even released by Percy, leading Percy to set a large stack of fireworks off, which destroy the hydra, but also destroys many different areas of the twin's hypogeum and knocking out Piper.

When Jason runs to her, Otis tosses his spear at him, which Jason deflects with a gust of wind and it strikes Ephialtes right in his side, turning him to dust. A piece of the ceiling also falls on Otis, turning him to dust as well. However, the two need to be killed by a god and demigod working together and they instantly reform. As they taunt Percy and Jason, Bacchus appears on the scene and raises them into the Colosseum, which Bacchus filled with ghostly spectators.

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Jason and Percy agree to fight together this time and charge the two. Jason blasts the two with the wind, causing the fake mountain the two were holding onto to fall on Ephialtes. After insulting Swan Lake, Otis charges the two and Jason blows him into the lake and the two stab him with their swords, turning him to dust. Percy then uses the water to keep the dust from reforming, but Otis' head is able to reform.

Ephialtes then escapes from the fake mountain and charges the two, managing to disarm them both and almost kills them, but the Argo II appears overhead and blasts them with Greek Fire from the cannons knocking him down. Otis tried to warn his brother but since he only had a head, Ephialtes couldn't understand him and thought he was telling him to finish Percy and Jason off. Bacchus considers this entertaining enough and stabs both giants with his thyrsus, defeating them.

Before leaving, Bacchus informs them of the best place to reach Annabeth before she is killed and vanishes. Leo, Hazel, and Frank rejoin Percy, explaining that Frank turned into a weasel and dug to the surface, where they managed to call Coach Hedge to rescue them.

Back on the ship, Jason watches as Percy and Nico argue about the two camps. Everyone agrees to worry about this later and head off to save Annabeth. Jason, Frank, and Hazel all work together to help lift the Athena Parthenos onto the ship just as the floor collapses. As they are securing the statue onto the ship, Percy, along with Annabeth and Arachne, fall through the hole in the ground that leads to Tartarus they were sucked in by the pit itself.

Afterward, Jason feels guilty because he believes if he had flown down, he could have saved them. Nico tries to comfort him, by pointing out that even if Jason had flown down to get them, the only possible outcome would be all three of them falling down into Tartarus as Tartarus probably could've sucked them in and by saying that Percy will make it through Tartarus. They all decide to head for Greece to the Doors of Death and hope that Percy and Annabeth are doing the same from Tartarus. Jason has a dream in which he learns that Annabeth has managed to send a message intended for Reyna to Rachel Dare at Camp Half-Blood from Tartarus which meant that she and Percy were still alive ; Rachel, accompanied by Grover Underwood , delivers the message to Reyna, who is with Octavian and the other centurions of New Rome atop a Manhattan skyscraper.

Reyna then mounts her Pegasus, Scipio , and heads for Europe, dismissing the protests of Octavian. Upon awakening, Jason directs Leo to change course for Split, Croatia , the site of the palace and tomb of the Roman Emperor Diocletian, a personal hero of Jason and Reyna, whose scepter is said to be able to control the spirits of dead Roman soldiers who worshiped the gods of Olympus.

At Diocletian's tomb, Jason and Nico are confronted by Favonius, the Roman god of the west wind, and by Cupid, the Roman god of love, who are the guardians of Diocletian's scepter; Cupid extorts a confession from Nico as the price of giving him and Jason the scepter: Nico had fled Camp Half-Blood after Bianca's death not just because he felt rejected by the other campers as the son of Hades, and not just because Percy had let him down by failing to keep Bianca safe—he had romantic feelings for Percy, which he could not deal with or let others know.

Seeing this, Jason tries to tell Nico that he would keep it a secret but comments that everyone would still stand by Nico if he told them. However, Nico tells him that he's fine and no longer has feelings for Percy, though this is questioned later in the book. Jason has also seen in a dream that Reyna is on her way, and, assuming correctly that she will take advantage of being in the region by visiting Diocletian's tomb, leaves a note for her near the tomb directing her on where to go from there.

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As the Argo II continues on toward Greece, the weather becomes unseasonably and mysteriously cool and cloudy, and then Khione , the goddess of snow, who Jason, Piper, and Leo confronted in The Lost Hero , attacks the ship and sends Leo to Ogygia , the island home of Calypso , in Malta, and in the process, freezing Jason and the other campers in a block of ice.

The only person she didn't freeze was Piper because she wanted to make her suffer. However, realizing the true extent of her powers, she managed to wake up the sleeping Festus who managed to defeat Khione's brothers Zethes and Calais while Piper defeated Khione. Jason has had daily audiences with Auster , the Roman god of the south wind, in connection with the Seven being able to proceed on their way to Epirus. Auster is naturally capricious and indolent but yet seems increasingly disinclined to cooperate with Jason.

Meanwhile, Jason has been thinking that he misses Camp Half-Blood and that he never really fit in at the more formal, traditional, even hidebound Camp Jupiter, and that he may have been changed irrevocably by his time at Camp Half-Blood. When Auster finally agrees to meet with him, he indicates that Jason is not committed to one course, Greek or Roman, personally; Jason's heart now lies with Camp Half-Blood, and Auster forces him to commit to it. They then proceed to Valletta, Malta, where they find the Argo II fully repaired and moored out in the harbor so that they will be sure to notice it, and Leo at a cafe, pensive because of his encounter with Calypso; and they continue on to Epirus.

Arriving at the Necromanteion, Jason, Hazel, Frank, Leo, and Piper descend into the ruins and eat barley cakes to protect themselves against the toxic potion they must drink in order to enter the temple, as per Triptolemus' instructions. Earthquakes strike the caverns as they walk through them separating them from Hazel and Leo, and monsters assail them. Nico uses the Scepter of Diocletian to summon ghostly Roman soldiers, but they will not obey Jason, as they sense that he is no longer Roman, and some, but not all, obey Frank, who may not command the entire force, as he is only a centurion.

Jason stepped down as praetor and gives it to Frank, who then takes command of the undead soldiers and manages to defeat the monsters. They then encounter Clytius who was fighting Hazel and Leo and manage to defeat him with the help of Hecate. The five of them succeed in the quest to close the Doors of Death after Percy and Annabeth closed the side of them in Tartarus.

Percy has no objections to Frank becoming Praetor and at the end of the book, Jason is seen talking to Frank in hushed tones, probably sharing old legends and stories of Camp Jupiter now that Frank is a praetor. Fourteen days after the events of The House of Hades , Jason, Piper, and Annabeth disguise themselves as ancient Greeks and visit Odysseus' palace in Ithaca filled with the ghosts of the Suitors for further Information on Gaea's plans. They successfully sneak in, and gain some information, until the ghost of the infamous Michael Varus blows away Jason's cover. Jason is visited by the spirit of his deceased mother, who pleads her son to bring her back.

Jason rebuffs her as she had abandoned him as a child, stating that he is the son of Greece and Rome and that she is a mania which makes her disintegrate. The trio fights the Suitors and wins until Jason is literally backstabbed by Varus, who in turn is slain by Piper.

Juno is unable to heal the wound as it goes to his soul and is connected to his continuing indecision about his future. While he is mobile, the wound constantly pains him for a long time. The Argo II comes under attack by Kymopoleia and storm spirits associated with her and Jason is invited by Percy to join him in going to the bottom of the ocean where the storm is originating from. To breathe underwater, Jason captures one of the spirits, not knowing it's his old enemy Dylan.

At the bottom of the ocean, Jason faces off with Kymopoleia and a resurrected Polybotes. Percy is incapacitated by the giant and Jason is left to fight him alone. As only a god and demigod working together can defeat a giant, Jason attempts to convince Kymopoleia to help. He promises to make sure she is honored by the gods and demigods and even gets an action figure. Finally, Kymopoleia agrees to help and together they slay Polybotes once and for all.

Jason is shocked and disgusted to learn from the goddess that the storm spirit is actually Dylan who requests that Jason release him upon returning to the surface as he saved Jason's life in the battle with Polybotes and promises never to bother him again now that Jason is much more powerful. Jason instantly agrees and asks Kymopoleia for advice on stopping Gaea.

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She tells him he already knows how and reminds him of the defeat of Ouranos , another primordial god , causing Jason to get what she is implying. He tells Percy if they survive he intends to travel between the camps and ensure all the minor gods are honored, saying that he's going to finish what Percy started after the Battle of Manhattan. Jason discovers that the settling of his indecision by deciding to honor both sets of gods has healed his wound and returns with Percy to the damaged but intact Argo II.

At the end, when the gods are called upon to fight the giants, Jason and Zeus fight Porphryion, King of the Giants, with Zeus shooting his Master Bolt to kill him. Jason manages to make a good impression on his father. Later, when Zeus says that Apollo must take the blame for what has happened, Jason risks his wrath by saying that appointing blame doesn't solve anything and calls Zeus's decision to punish Apollo for Gaea's waking unwise, but Artemis placates Zeus's anger and Jason notes that he might have pushed his father too far.

After arriving back at Camp Half-Blood, Jason, Piper, and Leo attack the awakened Gaea with Jason and a restored Festus pulling her high into the sky, cutting her off from her source of power. Jason uses his powers to contain Gaea's attempts to return to the Earth, but is exhausted by the effort and has to be held by Festus. After Piper uses charmspeak to put Gaea to sleep, Festus drops Jason and Piper before Leo scatters Gaea's essence with a mighty blast and they are rescued from their fall by giant eagles.

Following the war, Jason is left devastated by Leo 's death but intends to keep his promise to Kymopoleia to make sure that all the gods get recognition. Jason is given the title Pontifex Maximus , essentially a high priest, a title no one has taken up in centuries except for Octavian who had appointed himself and moves to Camp Half-Blood permanently, though he plans to travel between the two camps which are now united.

Several days after Gaea's defeat, Jason visits Nico di Angelo with the intention of convincing him to stay. The son of Hades, however, had already chosen to anyway, making a very excited Jason hug him. That night Jason came to Piper's cabin and told her to follow him. They go to Zeus' cabin, where Jason shows her a secret passage that leads to the roof. When the got up their Jason commented that it was just like Wilderness School.

Piper says that the memory was fake then mentions Leo before remembering their fallen friend. The two then kiss, making their fantasy a reality. Right after finishing his narration of this book, Percy reveals that after the events of The Blood of Olympus , he, Jason, and the rest of the Seven started the tradition of monthly Argo II reunion parties, and he is quite worried about being late to the current one. Several days after the deaths of Gaea and Leo , a parchment scroll with a holographic message, sent from the resurrected Leo, came fluttering into Camp Half-Blood on the wind.

Jason and Piper , while angry at Leo for his long absence, are extremely relieved to learn that he is alive, and both of them spend most of September searching for Leo, Festus , and Calypso. Jason is not present at Camp Half-Blood when the de-powered Apollo and Meg McCaffrey arrive, so Nico di Angelo explains where he and the rest of the Seven are now while showing Leo 's holographic message. Thalia tells Apollo to check in on her brother for her if he and Meg make it to Los Angeles.

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The trio drives to Los Angeles to retrieve Jason and Piper. After meeting Piper, they learn that Piper and Jason have broken up. While the trio plus Piper are in the Labyrinth, they encounter Medea and learn that Jason learned a truth that was enough to break him. They learn that Jason found the Sybil and knows the location of the emperor, Caligula.

They get out of the middle of a class and Jason Grace says he was expecting them. As he takes them to his dorm, he explains that he already killed a Blemmyae and thinks a teacher is an Empousa. He learns that Leo is alive and they discuss how Jason has created a redesign for Camp Jupiter to include more shrines for gods. Jason also reveals to Apollo that the Sybil gave him a dreadful prophecy: Because of that, he plans to confront Caligula himself along with Apollo and Meg in order to protect Piper, even if that means his death.

He made Apollo promise that he will bring his designs for the new Temple Hill to Camp Jupiter in case something happens to him, although Apollo refuses to believe that Jason would die. They search Stears Wharf for hours. During dinner they see a fleet of yachts form a blockade around the harbor with the coastguard and local law enforcement helping with security.

They agree to search the center ship. Piper talks some mercenaries into giving them their dinghy and they head to the heart of the blockade. He takes Piper up first. They are quickly captured by Pandai and, along with the recently captured Meg and Apollo, taken to an interrogation room. After Meg tricks them into revealing the locations of the shoes and Caligula, the daughter of Demeter attacks. He destroys one with a bolt of lightning, altering their presence on the boats. He and Meg go after Caligula while Piper and Apollo find the shoes. He and Meg put up a fight before being imprisoned in tornadoes.

He breaks free of the twister prison and disintegrates numerous pandai before fighting Caligula. However, Jason is shot by multiple arrows on his arms and legs. It appears that he knew he could only buy them time, and his last words to Apollo were "Get out of here! Jason's final noble action was sacrificing himself to save Apollo, Meg, and Piper from the third emperor.

A heartbroken Piper requests Apollo to save him like how Leo took the Physician's Cure, but Apollo says death is not in his hands. Piper then asks Meg to save him based on a Cherokee myth that plants save. However, she too fails. Her last hope of using the Doors of Death is crushed by Apollo's gentle reminder that Jason is not a cheater and that he will not elude the laws of death.

When Tristan McLean arrives, he thinks Jason died in a surfing accident. Percy mentions Jason when he talks about how you don't have to know about the sea to fight in the sea. He explains how the son of Jupiter saved him from Kymopoleia by offering her fame to Magnus and his friend, Alex Fierro. The reason is revealed to be Jason's death in The Burning Maze. Jason was a very serious young man with a moderate sense of humor. He was sweet, kind, gentle, soft-spoken, honorable, and humble.

Jason was someone who always followed the rules but got more laid-back as the series progressed.

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He also had a strong sense of honor and justice as shown by his great compassion. He greatly cared for his friends and family willing to risk his life to protect or help them, which he was fated to do, as shown in " The Burning Maze ". Though a natural leader, Jason could be plagued by doubt and criticized himself whenever he made an error. Jason took promises very seriously.

When he promised to honor all the minor gods, he started work on his plan immediately after the Second Giant War. When he realized that he wouldn't survive in the raid on Caligula's palace, Jason made Apollo promise to complete the work he started. There are notable similarities between Jason and Percy Jackson such as their strong senses of justice and fairness, their loyalty to their friends, and the fact that they're both natural leaders.

When on board the Argo II , Jason comments that he has never been surrounded by equals before, as most of the time people looked up to him because he was a child of Jupiter. Jason was also very accepting of others, since, unlike many others, he felt no contempt or prejudice towards Nico, even after finding out that he was gay. Jason even offered Nico his friendship and support and encouraged him to take a risk and come out.

Jason was often described as "too perfect" by his friends at times, doing everything the right way and always having done the honorable thing. But as the series progressed, Jason started to show a more relaxed version of himself in his time at Camp Half-Blood. Jason was also very confident in his abilities. After he and Percy were possessed by the Eidolons and fought each other, Jason commented that he was worried that he could have killed Percy, instead of Percy possibly killing him.

He also chose to face Lityerses in combat instead of being turned to gold by Midas. Jason was even ready to face the Giant King Porphyrion, even though he knew he could not win. He once observed that he looks nothing like his father, which assumes that he looks more like his mother. He is very tall, being one inch taller than Percy Jackson, despite being nearly a year younger, with an athletic build, and having well-muscled and tanned arms and legs.

His tattoo has the picture of an eagle with SPQR and twelve lines, indicating he has been at Camp Jupiter since he was three or four years old. Piper noted that his eyes seemed to hold some deep sadness, much like her father's. After his encounter with Sciron , Jason's hair has had a groove in it where the Celestial Bronze bullet grazed it and was noted to have gotten taller. Also, when Aphrodite gave Jason's team a makeover, Jason was the least modified, implying that Aphrodite approves of his physical attributes.


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Like most demigods, he possesses inborn supernatural battle reflexes and senses that he uses to analyze the fighting style of his opponent. He is trained in Roman legionary warfare. His brain is hardwired for Latin. He is an exceptional spearman and swordsman. Jason's fighting skills are amazing seeing as how he bested Kronos' brother, Krios in hand to hand combat, a feat only Hercules has accomplished, who is technically Jason's older brother. He had easily killed the storm spirits in The Lost Hero , and was holding his own against one of Medea's golden dragons. When possessed by Eidolons in The Mark of Athena , Jason fought Percy Jackson on even footing Piper couldn't believe the speed of their sword fighting , and was only knocked out because he was distracted by Piper's Charmspeak.

Jason can even use improvised weapons to fight as he used a wooden plank in the Wolf House in The Lost Hero to fend off numerous opponents. In The Blood of Olympus , Jason is able to fight two hundred ghosts of the Suitors, along with the help of Annabeth and Piper replicating the feat of Odysseus , and ultimately defeats the Giant King Porphyrion with Zeus 's help.

Jason has even shown to be equal to Percy when it comes with fighting, even though Percy later states in The Son of Sobek that not many people can fight him well, indicating that Jason is a better fighter than most. Because Jason is trained in Roman legionary warfare, his fighting style includes analyzing your opponents' moves and learning their style, which was proven effective against Lityerses who was also surprised by his unorthodox style. Being a demigod of Jupiter, Jason is considerably stronger than the average mortal, and is stronger than most demigods.

As he was shown to knock out demigods with one blow, smack around full-grown wolves with just a wooden plank, topple Kronos's black throne, deflect blows from giants, and was able to shatter Clytius's metal armor to pieces with one kick, even if the armor was a weakened by Hazel it was still an impressive feat. He threw Coach Hedge's club at Dylan, even when it was extremely windy.

Most impressively, he claims to have destroyed Krios with his "own hands" though that most likely refers to him killing Krios by himself not killing him with bare hands. Being a demigod, Jason is a lot more agile than a regular mortal. As he was shown to vault over tall objects with ease, climbed all the way up to a huge Porphyrion head before the giant even reacted though he might have used the wind to help him , and countless other feats.

Being a demigod, Jason is more durable than a mortal, as he was able to shake off a kick in the chest from a giant, shook off getting hit by chariot in mid-air, and only manage minor injuries when getting hit by an explosion caused of the breaking of his spear. Jason fell from the sky into the Cyclopes home The Lost Hero , but had shown no signs of discomfort. He even managed to shake off several hits from the god, Eros. Being a demigod, Jason is faster than a regular human.

He was able to dodge Enceladus attacks even when the earth was pulling him down in the Lost Hero. He easily dodged a spear thrown from Otis, the giant, and dodged Lityerses attacks, despite the latter being a fast fighter. He even deflects an arrow shot from Eros, even when he couldn't see the arrow. Each Roman Demigod trained at the Wolf House has mastered the wolf-stare, a skill that intimidates their enemies so it is assumed Jason has learned it. Jason has shown that he has some medical experience, as he was able to fix Piper's hurt foot with just a piece of wood, gauze, and duct tape. During his time at Camp Jupiter , Jason was considered the most powerful demigod in the legion.

Hazel believes that Jason is the most powerful demigod she knows, however, the abilities of Nico and Percy seemed to have made her question her judgement, as she believes Nico and Percy's power rivaled and possibly even surpassed Jason's. However The Blood of Olympus , Dylan states that Jason has now become significantly more powerful than he was during their first meeting in The Lost Hero. Thalia , his sister. Jason's sister, Thalia Grace, was born to Zeus. Thalia is a Greek demigod, because when Zeus visited her mother the first time, he was in his Greek form.

When Zeus came to Jason's mother for the second time, he came in his Roman form, Jupiter.

The Lost Hero

Jason was, therefore, a Roman demigod, while his sister is Greek. It is shown that Jason cared for his sister. He felt somewhat depressed that Thalia found a new family in the Hunters of Artemis. However, it is shown that when Jason first saw her picture, and Annabeth told him her last name, his instincts told him she is dangerous, as Juno left enough memory to know that digging up his past could be disastrous and that she was his sister. Jupiter , his father.

Jupiter sired Jason, his second child with Ms. Like all the Roman gods, Jupiter rarely involved himself in the life of his child. As a Roman, Jason was raised to hold a deep respect and reverence for Jupiter as the king of the Roman gods and chief god of Rome. At the end of The Lost Hero Jason transfers this respect to Zeus, he talks to the statue of Zeus in Zeus' Cabin on how hard Zeus must have it as the leader and has to set an example.

Throughout the books, Jason's view of his father changes. Early on, he insists he is a son of Jupiter and not Zeus, but by the end of the last book, he sees both as equally his father. As he became more Greek, he came to accept that Jupiter is far less than the perfect god he was raised to believe. In the end, while he still respected his father, it's far less than it once was. Since Jason had forgotten most of his memories, we can imply that he wasn't taken care of by his mother, since Thalia said that she was the one who took care of him until Beryl Grace, his mother, gave Jason away to Juno.

Piper , his former girlfriend. She and Jason share many romantic moments throughout The Lost Hero. He had a great deal of concern for her, as he did everything to help her. He puts his hand on her waist to support her when she collapsed due to hypothermia.

Heroes of Hearth (The Heroes Trilogy Book 1)

At the end of The Lost Hero , the two have a romantic moment at the end of which they repeat what had apparently occurred in Piper's Mist induced the memory of them kissing. Also, Jason had strong feelings for Piper, but he was worried about their future. Piper also gives Jason a goodbye kiss just in case they don't get to see each other if the engine of the Argo II blows up. Since the engine did not blow up they continue to date for the next 6 months. In The Mark of Athena , Annabeth introduces the two as boyfriend and girlfriend.

She also gives him the nickname Lightning Boy. Piper constantly doubts that Jason did not have any feelings for Reyna , despite the many times he denied it. Even so, their relationship remained intact.

When the two are drowning along with Percy , Piper mouths to Jason that she loves him. In The Blood of Olympus , Jason admits that while dating the daughter of the goddess of love, he was always afraid of doing something unromantic and angering her mother. After the defeat of Gaea and the Giants, Jason kisses her passionately under the stars. He reminds her of their first kiss, which was really just a trick of the Mist , but has now finally come true.

He tells her that they're starting over, and that was their first kiss. They then rest there, and Piper says that, for once, she feels like it is it possible to start over. Despite this, it is heavily implied that they still had lingering feelings for each other. Reyna , his friend. The memory of her made him rethink what he was doing with Piper, and made him uneasy, though he did not know why.

It's revealed in The Son of Neptune by Reyna to Percy that if Jason hadn't gone missing, a romantic relationship might have developed, since Reyna said that it was common for there to be romance between praetors, since they work together so much. When the Argo II arrives in the sky Reyna says that she hopes Percy is right and Jason is aboard the ship, stating that she has missed him.

However, when the two once both went on a quest, after Reyna talked with Aphrodite, he states that she never acted the same to him again. Piper speculates that Reyna admired Jason mainly for his noble behavior and his good self-discipline. Leo , his best friend. Despite their time at the Wilderness School being fake , Leo still considers himself Jason's friend.

Despite Leo and Jason having been good friends, Leo felt jealous of Jason. He also feels left out as Jason and Piper start to form a real relationship. Leo remembers that while his own life wasn't that good, his mother wasn't possessive of Hephaestus and only wanted Leo to know him. Jason, on the other hand, harbored a great deal of respect for Leo, and was inwardly ecstatic when Leo offers to accompany him on the quest to save Hera.

He acknowledges his ability to keep him and Piper alive in The Lost Hero , noting that their quest would have failed if not for him. Jason felt more at ease when around Leo, as he requests that he stay with him during his talk with Thalia for support. Even after Leo fires on Camp Jupiter due to the influence of the Eidolons , Jason along with Piper did not blame Leo, confident that he would never actually do such a thing despite the other demigods' doubts.

Leo remains Jason's best friend throughout the series, and was devastated after Leo's death in The Blood of Olympus. Several days later, he and Piper do their best to remember all of the cheerful memories associated with Leo and stay up all night on the roof of Cabin 1 in the process. Part of him was still hopeful that Leo had somehow survived, despite all odds. In The Hidden Oracle it is revealed that after Jason and Piper listen to the holographic scroll and learn of Leo's survival several days after Gaea 's , they are exuberant, and tirelessly search for him for most of September, until Chiron finally persuades them to resume their school year.

Percy says that Jason "thinks the same way he does" and mentioned a "spark of friendship. Annabeth calls their relationship a "budding bromance", as the two seemed to get along well. It is also shown that when working together their powers got more intense when they created a huge storm at Fort Sumter while fighting the Romans. Jason and Percy also had a small rivalry going, such as when Jason and Percy both go for the head chair at a table and Jason even causes sparks to fly, but Annabeth took the chair in the end.

Also, when apologizing to Percy after being possessed and forced to fight each other, he comments that he could have killed Percy. Percy turns this around saying he could have done the same, but Jason doubted this unless there was an ocean in Kansas. In The Blood of Olympus , Jason and Percy continue to be brotherly even referring to each other as "bros" , and Jason admitted to admiring the son of Poseidon for once being able to turn down Zeus' offer of immortality.