Vovka did not like the fact the tiny creatures were surround her. She definitely did not like when one disappeared and continued to attack it. Their attacks both hurt and were quite annoying.

She let out a loud angry shriek in frustration - the sort that might cause someone who heard it to be temporarily stunned if they weren't strong enough to bear the sound.

Then she swung out in hopes to it the invisible one and the swung with it's claws at Dean hoping to slash him and send him into Sam if she could. Her arms, however, were looking as if they were looser than they once were.