... yeah. [ he half-scowls at himself, hate bubbling in his chest. Just... mentioning it, making himself remember--

Looking at John, he realized that the older man really had no idea what he meant. ]

... worlds are all closed off from each other. It's why you don't know about magic or other worlds, not every world has them.

I opened a door to my world, and Darkness came in, and so did the Heartless. It destroyed everything--my whole world.