Grainne didn't reply right away, feeling a sharp pang at Naoya's words. A similar fate awaited her in her own world. She couldn't understand all the nuances of this world, but that, she can identify with.

"I can't offer you any reason other than that we need you. The others you will have to think on yourself. I do not know you well, but there is so few of us left, if there is any chance at defeating her, we will need everyone's power. That is at least something to keep her from ever doing this to another universe."