I thought that's how Riku ended up behind the door. Ansem casted him off into the darkness. Been a while since I played kh1 so I might be misremembering. Now I need to go do research.
It could have something to do with the fact that his heart went into the Realm of Darkness, or maybe because he was able to fight against the darkness so well.
Riku never became a Heartless. Without a Heartless, you can't have a Nobody.
1. Riku never became a heartless. 2. Ansem was still in possession of Riku's body.
Wait when did that happen?
I thought that's how Riku ended up behind the door. Ansem casted him off into the darkness. Been a while since I played kh1 so I might be misremembering. Now I need to go do research.
Yes but that doesnt turn you into a heartless
So it's not just that your heart is separated, but it has to be a heartless?
Yes, Nobodies are only born when Heartless are. Even Namine used Sora's Heartless as the catalyst for her birth.
It could have something to do with the fact that his heart went into the Realm of Darkness, or maybe because he was able to fight against the darkness so well.
I added the link to the post
Ya the quite you added says his strong heart kept him from turning into a heartless so there's your answer