Birth by Sleep Just a thought...

If you saw the TGS 09 trailer then you might remember this but the meeting place where Vanitas and MX were sitting. That room got me thinking. Is that place a castle? If so then it might be the organization's castle because even when Xehanort threw Ansem out of his castle and casted his body to darkness. Why didn't he stay at that castle. So that leads to me thinking that Xehanort/Xemnas regained his memory as either Terra, MX, or Vanitas and went in search of his old “home” which is the nobody castle.

any comments/thoughts?

 

A good reason Xemnas didn't stay at Radiant Garden/Hollow Bastion is because Nobodies are formed in the Realm of In Between, like Heartless are in the Realm of Darkness, he probably ended up in TWTNW

 

That's probably where he means.