One of Xion's hands drifts up, brushing an errant lock of hair behind her ear again, buying her a few seconds to formulate a response.

"There's... a lot of things about this world that are different. I'm not sure if you've tried yet, but... we can't really leave," she starts off. Though that'll probably feed his assumption that she was trapped here, rather than discourage it. "And while you're here... time doesn't move at all back home.

"That's what they've said, at least," she adds, a bit uncertainly. It seemed they were right though, if Roxas' words were any indication.