User blog comment:KirbiMiroir/Clones 4 CA$H/@comment-25096445-20160222001736/@comment-12498802-20160222073602

There's nothing much. All I can really tell is that Marth's attacks have a specific "sweetspot" right on the tip of his blade. In Lucina's case, however, the sweetspot is all over the blade! In exchange, however, Lucina's attacks are less powerful than Marth's.