shield which proves to be vital in their victory. Afterwards, Tyson reveals to Percy that having faced a hard life of constant monster attacks, he had prayed to their father who had led Tyson to Percy. Having received an offer to work in Poseidon's underwater Cyclops forges, Tyson leaves on Rainbow, saddening Percy who has come to see the Cyclops as a true brother. In The Titan's Curse, Percy stays connected with Tyson through Iris-messages, although Tyson's new job and Percy's own responsibilities make this somewhat difficult to manage. At the end of the book, Tyson reveals that he has gotten permission to take the summer off and return to Camp Half-Blood. In The Battle of the Labyrinth, Tyson returns to camp and repairs Percy's wristwatch shield which had been damaged while fighting the Manticore months before. Tyson joins the quest through the Labyrinth to find Daedalus and is at first excited to meet his idol Briares who they rescue on Alcatraz Island. However, Briares had become depressed, as all of his siblings had perished and lost the will to live, disillusioning Tyson. When Grover sets off on a side quest to find the missing wild god Pan, Tyson decides to join him despite his nervousness and allergies around satyrs. Percy, Annabeth, Grover, Rachel, Nico, and Tyson are present when Pan fades from existence. Tyson takes part in the last battle with Kronos' forces. When Briares arrives to help, he credits Tyson with his decision to help and he calls Tyson the true Hero. In The Last Olympian, Percy meets his brother again a year later when, after the destruction of the Princess Andromeda, he ends up in Atlantis. Although the city is under siege by the ocean gods allied with Kronos, Poseidon refuses to allow Tyson to fight, leading to an argument between him and Percy because Poseidon believes that Tyson is too young to fight and must instead be protected. When Poseidon arrives to help defeat Typhon, much to Percy's joy, Tyson is leading Poseidon's army of Cyclopes. Following the defeat of Kronos, Zeus commends Tyson's bravery by making him the General of the Cyclopes. Due to Tyson's preference of a club for a weapon, Zeus promises that the gods will find him a suitable club. In The Son of Neptune, Tyson is shown to be searching for the missing and amnesic Percy. When Percy's memories begin to