Quote Originally Posted by darksword12 View Post
In the world of ff9, all memories are part of a collective group. Just as a person's genetic info contains elements of their ancestors, so do their memories; they just don't experience them normally. In essence, all people's memories are part of one group; in memoria, this entire compilation of memories is accessed to create sensory representations of those memories.
i don't remember exactly everything that happened in the scene, but I think this quoted post provides the best explanation right now.

I mean that, and Zidane is from the same world as the invincible, he might've been there or something. So that could be another explanation, I'd have to play it again. Do the other characters see the vision?