As Sora defeated Xemnas for the last time, Xemnas told him a very personal thing that he never could even think about telling anyone.

Xemnas admitted that he was lonely. That he felt something. And it was loneliness.

When Xemnas closed his eyes and opened them again, he was no longer at the keyblade graveyard. He was at the World that Never Was. Yet again.

“I’m.. back.” He murmured with a bitter sweet realisation on his tongue. Organisation’s tower now looked more like ruins than a place where all fourteen of them lived. Xemnas pondered once again.

And left the tower with an idea. A crazy one at that.

Idea of a new normal life. Somebody’s life