SpoilerDon't think so. Looks like the Arkentool prediction came later. http://www.erfworld.com/book-1-archive/?px=%2F147.jpg
So Marie does not know anything extra. Well this page is an example of why I kinda like Marie. She does not try to BS people, but guide them if she can. And is willing to admite when she does NOT know something. That is more important than you might think.