[Roxas doesn't know what he expects to happen, but he's nearly as startled as Sora when his other half wakes up. Unconsciously, he mirrors him, falling back from a crouch to rest on his butt. The extra space behind him saves his head from a matching bump.]

I don't know!

[This is no way to figure it out. Roxas pushes himself up, meeting Sora exactly eye to eye, both sets wide.]

I thought I was dreaming, about the Storm, and then I woke up and...

[He shakes his head.]

I'm not supposed to be here. I thought maybe...if darkness swallowed everything, maybe it swallowed you, too.

[Leaving one Heartless and one Nobody. Again.]