Quote Originally Posted by Tigmafuzz View Post
They were all created thousands of years ago except for Zidane and Kuja, yet Zidane is the only one that shows signs of aging. Maybe he was a messed up genome? Or... maybe they're only immortal/ageless while still on Terra?
Zidane ages because it was to overcome the problems with Kuja, part of Kuja's issues was that he was created as is and thus didn't have any real life long experieinces to draw from that prevented him from using Trance. His ego/soul was basically without much depth though very strong, which lead to him becoming uncontrollable.