Quote Originally Posted by saber_alter View Post
it wouldn't be suprising if they are one in the same though, shantotto has access to interdemensional travel magic.
I think this speculation was settled in the limited-time FFXI crossover event.

Shantotto stumbled in from Vana'diel and didn't start with, "Hey, neat, it's that realm I meteor'd in a different section of spacetime fabric!"

"But, Moose, maybe in what is relatively her future she travels into our past to create black magic and was really the mythical Shatotto all along!"

... (╯ಠ дಠ）╯︵ ┻━┻