Melissa
"Do you think we can find the toy world by the light the Keyblade might have?"

Suke would say and continue to look around as they walked around the Realm of Darkness. 

"This place changes often from what I remember..."
Frank
"I barely knew this place existed until now. If it constantly shifts and changes, I imagine that would mean exiting this place won't be very easy. Unless we can just Dark Corridor our way out. That's a different story entirely then."
Roland
"Using the darkness to enter and escape is easy, as long as you have an answer for the risks, which we do. Entering here without darkness is also pretty easy, although still dangerous. Exiting without darkness... We have never seen it."
Melissa
"How would someone enter here without Darkness? The only way I could think of is just being in a falling world... But that might just turn you into a heartless or send you to Traverse Town correct?"