hahahah....I found out about all the KH 2 stuff and i will tell you nadda.
now that i also know who the red guy is it all makes much more sense. oh about that Sephy mute stuff. Hmmm. He only talks when fighting, but that you know. It seems that he has got absolutly nothing to say to Sora... He only speaks with people he has buisness. Yep, im refering to the Cloud and Seph battle in Final Mix.
Another theori could be that he does not expect much from the little boy, so he will just teach you a lesson, and when you defeat him....he is to suprised and embarrased to say anything.ok....got it
click here to go to a trailer for advent children!
http://www.square-enix.co.jp/dvd/ff7ac/