Tidus had to dissapear because if you after clearing the game and saving, you then use the memory transfer device which was not released to the U.S. to switch your FFX file on to a PS1 memory card so that when you play FFVII Tidus can save Aeris.
Tidus had to dissapear because if you after clearing the game and saving, you then use the memory transfer device which was not released to the U.S. to switch your FFX file on to a PS1 memory card so that when you play FFVII Tidus can save Aeris.
"Gentlemen, you can't fight in here this is the War room"