"Who, WHAT are you?" *main story spoilers*

[Kallera]

I think I would like there to be more to at least zodiark than a creature that wants to destroy all reality. perhaps its existence is more needed than the mothercrystal thinks. I would be esctatic if it ended up talking to us as the purple crystal instead.

The thing is both sides in the light/dark conflict seek to banish, destroy or otherwise unmake the other. Perhaps what is needed is not destruction, but a passing of the torch?