阿波罗的试炼系列中的表现《隐藏的神谕》 Jason is not present at Camp Half-Blood when the depowered 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. The Dark Prophecy Thaila tells Apollo to check in on her brother for her if he and Meg make it to Los Angeles. The Burning Maze Apollo, Meg McCaffrey, and Grover Underwood are searching for a way into the Labyrinth and learn from Gleeson Hedge that Piper and Jason had found a way into the Labyrinth. 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 visit Jason's new all-boys school, Edgraton Day and Boarding School, that Jason transferred to once Piper and he broke up. They tell Jason that Leo is alive and 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: if he went after Caligula, either Jason or Piper would die permanently. 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 take one of his school’s vans drive to Santa Barbara. They search Stears Wharf for hours. During dinner they see a fleet of yachts form a blockade around the harbour 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 is shocked by Piper’s condition. 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! Go! GO! Remember!" He holds his gaze just a moment too long, and Caligula, taking advantage of this, jabs him between the shoulder blades with a spear. Jason's final noble action was sacrificing himself to save Apollo, Meg and Piper from the third emperor. He collapses from Tempest's back and falls face first onto the boat floor, and Caligula stabs Jason in the back again to make sure he is dead. Once the gang is on shore, they find Jason's body, blank as parchment and covered in slime, brought to them by Tempest. A heartbroken Piper requests Apollo to save him, 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. Later, when Meg and Apollo met up with Piper in Santa Monica, Jason's coffin is being loaded into Tristan McLean's plane for Meg and Apollo to take to Camp Jupiter for Jason to be buried there. Leo Valdez drops in of Festus, and is told the bad news about Jason, Leo is upset that he didn't get to see Jason after he died fighting Gaia. As he and Meg are flying to Camp Jupiter, Apollo swears vengeance on the Triumvarate, for Jason was a worthy and amazing hero. Magnus Chase and the Gods of Asgard系列中The Ship of the Dead 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. Towards the end of the novel, Annabeth calls Magnus and is crying. The reason is revealed to be Jason's death in The Burning Maze.