Sephiroth
The easiest way to defeat Sephiroth is to get every form(Valor,Wisdom,Master,and Final)because each of the forms when leveled up will give you a growth ability wich are
The way I got Final was that I wenrt to the Underworld and started a match championship thing and put on Master but instead of getting Master I got Final.
To get Ultima Weapon Go to the mansion in Twilight Town but it has to be with Sora then you go through the portal and go to where you found Goofy and Donald in those Pod things when you were Roxas in the beggining and there in one of the chests will be the Ultima Weapon Recipe
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