User blog comment:Miskos3/Fairy Tail Chapter 488: The Two of Us, Always, Review/@comment-74.43.16.57-20160606135504

I believe they had Brandish while under control use a knife against August as to make it more tragic for her. This is because she earlier witness her mother being stabbed to death and now was used to stab someone she cares about to near death. This alone gives her more of a reason to get pissed of.