User blog comment:FairyRaven/Fairy Tail Chapter 314: Erza vs. Kagura, Review and Commentary/@comment-183.90.103.174-20130111154559/@comment-183.90.103.179-20130111162347

It's just too uncanny a similarity that 2 women with almost similar names, have 2 similar swords that can slash through almost, if not all, of Erza's armors.

But then, it seems like Erza hasn't drawn upon this realization or hasn't gotten a flashback moment of how Ikaruga nearly defeated her @_@.