 She gradually becomes more open and falls in love with Tidus.Upon arriving at the place where Yuna can summon the final aeon, Tidus persuades the group to look for another way to defeat Sin without using any sacrifices.After entering Sin's body, Yuna and her guardians defeat the disembodied spirit of Yu Yevon, who is responsible for reviving Sin after each defeat, allowing an eternal Calm to start in Spira.