Final Fantasy X Requests

Secret - Beating sin for the last time (not the last boss):

This is wat i did at the beggining when he is to far to hit for shor ranged weapons i got yuna to grand summon bahamut then have him use mega flare. Then have him keep useing impulse untill he died(or u can dismiss him). Then i got Yuna to keep castng holy (dose 9999) Tidus to cast Hastaga on the party than keep useing quick hit and then had Auron keep attacking. (Another thing u can do is have rikku instead of Auron and make her use Ahlbed potions)