Board Thread:Episode Discussion/@comment-24573226-20161003151422/@comment-4010415-20161004041316

Atebox wrote: It's not entirely hard to believe that the more Ruby uses her semblance the faster she becomes while at the same time being able to control where she goes rather than just a straight line. Yeah, but at one point, she turned into three swarms of rose petals.

It's possible that two of those were diversions so the Grimm couldn't tell which one she was or something.