[Kairi lets the Borderline wall drop so they can talk easier. She holds up the key so he can see it better, resting it in both of her hands.]

Some kind of magic... yeah, that's about all I know about it. It's just not shinki magic.

[Her expression gets softer.]

One day I hope I'll understand more about it. For now, it's a gift left behind to me by friends who aren't here anymore and a way for me to remember them fondly when I need some extra help defending myself.