The truth was, she had no idea what to ask. She only knew that she didn't know enough... not what she didn't know. All she could do was chisel away patiently at the wall of silence, waiting for cracks to form and information to drain her way.

"I am told Xehanort took over the body of a Keyblade wielder, and now uses it for his own. In a similar fashion, on our world, a force of darkness inhabited a pony and, while we have some debate on what exactly occurred there, I believe it functioned in much the same way -- the pony was overtaken by a personality within the darkness, or one was shaped from it, which from then on controlled her actions until it was banished from her."