Alright, that seems fair.

[Sora's not object to sharing information about his world; it wouldn't be the first time he's done it.]

Nobodies are the result of someone with a very strong will losing their heart to darkness. Their heart becomes something called a Heartless--and I know that doesn't make sense but it's what they're called--and the body and mind become a Nobody.

[Hopefully that isn't too confusing..]

She is. We didn't talk a whole lot about it but she knows about it.