[Something shifts behind her eyes. Amusement perhaps. Or maybe some sort of delight at the deal Ari has offered.]

I accept your deal.

[If only to see how it plays out. She is curious about these future humans. If the Serena Eterna can't break Ari, well then, maybe there us hope for the future.]

And every living thing has a soul. It's none of that religious stuff. It's a life force and energy that happens to be connected to consciousness.