 Spira is the world of Final Fantasy X and Final Fantasy X @-@ 2 , but elements of its world and characters have been included in other Final Fantasy media . For Dissidia Final Fantasy and its sequel / remake Dissidia 012 Final Fantasy the characters Tidus , Yuna , Jecht and an area known as The Dream 's End ( 夢の終わり , Yume no Owari ) were featured . The Dreams ' End shares similarities to the final area of Final Fantasy X complete with a large replica of Jecht 's sword in the center . Final Fantasy X 's Tidus and Wakka are supporting characters in Kingdom Hearts , Kingdom Hearts : Chain of Memories and Kingdom Hearts coded . Auron makes an appearance in Kingdom Hearts II as a supporting team member and Final Fantasy X @-@ 2 's main cast of Yuna , Rikku and Paine appear also make an appearance as supporting characters . Tidus , Auron and Yuna are also playable characters in Theatrhythm Final Fantasy . 
