This theory is really satisfying, I like it - it seems plausible too, albeit pretty specific. Her being a daughter, mother or relative doesn't really make sense in my opinion since the resemblance is really striking - and having Skull Knight interact with her, is as if interacting with his...
Dusksprite, write your questions in bold! (If I'm getting things right here!)
Personally the most anticipated moment of Berserk since Griffith's rebirth, is how Casca will deal with being raped, and honestly I'm not exactly sure that Miura will do it justice. It's a manga author(!) and it was...