Talk:Marie/@comment-2605:6000:8DC3:E400:9DBA:4D4A:273:35A0-20181013001927/@comment-27126136-20181013143149

I based everything from the anime itself...

Is she a spirit ? Yes, but she's something more than that as she can materialize into a physical person that everybody can see. So in this case she's an extraordinary type just like the rest of the LDO who lived longer than any average person due to immortality bestowed by Karl Ernst Kraft aka Mephistopheles...