Jyscal Guado Lord Jyscal Guado is a non - player character from " Final Fantasy X " and " Final Fantasy X - 2 " . He is the former leader of the Guado and the father of Seymour Guado . Story . Early life . Twenty - eight years before his death , Jyscal and a human woman had a son , Seymour , who was viewed as an abomination by both races . Three years later Jyscal became the leader of the Guado and spread the teachings of Yevon to his race . Five years after this , when Seymour was eight years old , to soothe the waves of a possible uprising , Jyscal had Seymour and his mother sent to the palace at the remote island of Baaj where Seymour was trained in the ways of a summoner . When Seymour was ten years old he and his mother embarked to Zanarkand to defeat Sin . Seymour ' s mother knew she would soon die and feared her son would have no place to belong to in Spira , hoping that giving him the chance to defeat Sin would win Seymour acceptance . Seymour ' s mother knew of the mechanics of the Final Summoning through Jyscal , as the Guado possess their own records that tell of Spira ' s sealed histories in fragments . Jyscal was aware of Seymour and his mother going to the Zanarkand ruins , and privately supported it . When his mother sacrificed herself to become his Final Aeon , Seymour was horrified and broke off the pilgrimage and returned to Baaj alone . The aeon Seymour ' s mother had become , Anima , and the knowledge of his mother ' s sacrifice , gave Seymour terrible ideas about life and death , and he began to form a . With a changed outlook , he created a plan to " save " Spira from the cycle of death by becoming Sin himself . " Final Fantasy X " . During high summoner Braska ' s Calm the Guado ' s internal strife subsided and Seymour ' s exile was revoked . An 18 - year - old Seymour returned to Guadosalam to assist Jyscal in the duties of a priest . A year later , Jyscal , leader of the Guado , and Kelk , leader of the Ronso , become Maesters of Yevon as part of Grand Maester Yo Mika ' s " sub - races appeasement policy . " Ten years after returning to his home village , Seymour killed his father to succeed him as Maester . Lord Jyscal ' s soul was sent to the Farplane , but most unusually , he returns for a few moments to the world of the living to give Yuna a sphere documenting Seymour ' s evil motives . Jyscal is sent once more by Yuna , but Jyscal ' s Sphere reveals to the party Seymour ' s true nature . After watching it , Yuna resolves to marry Seymour and convince him to turn himself in for Jyscal ' s murder . The plan fails as Seymour attacks Yuna and her guardians and is killed . He stays in Spira as an unsent , but when Yuna and her guardians are put on trial for the murder of a Maester and she reveals Seymour ' s crimes to the Grand Maester , they are brushed aside , exposing the true corruption of Yevon ' s Maesters . Jyscal ' s last appearances are in the Farplane , as it is presumed that he had departed there after having been sent by Yuna . Tromell laments that the Guado are doomed without a leader following Seymour ' s death . " Final Fantasy X - 2 " . Two years after Sin ' s defeat , Pacce and his friends locate a mysterious dungeon under Bevelle . Yuna , Rikku , and Paine traverse this labyrinth , the Via Infinito , and discover Jyscal ' s soul trapped there ( despite previously having appeared in the Farplane ) , along with several others , such as those of Maesters Kinoc and Mika , Yunalesca , and Lord Zaon . Jyscal transforms into the Black Elemental to fight the party .