"I see... I suppose coming back from the dead would be nothing new to you."

This only makes Jade wonder what Jack is, exactly, for him to be effectively immortal. Whatever he is, the implications are heavy. How does it feel to know there's nothing after death, no solace or peace to be found for the ones lost? Not very comforting, probably.

Of course, things are different in Crystallis. Who knows whether the souls returning to the planet are aware of themselves?

"I do wonder why it was different for you this time. If it were just the nature of your natural immortality manifesting itself, it should have happened after Aqures Tosf, too."