User blog comment:Xilinoc/Ch. 581 - THE HERO 2/@comment-24153155-20140521225952/@comment-5398287-20140527182648

Well, The Dagger didn't say anything outright, but it DID say "Her abilities, not just related to the Shihakusho?!"

So she did have something to do with the standard Shinigami uniform. No idea what, though.