User blog comment:Zathronas/Analysis by an author: Volume 2 episode 11: No brakes/@comment-3146930-20141024021616/@comment-3146930-20141024023256

But her Semblance activated when fighting the Ursa and they didn't even get a hit in on her; she just got pissed that they cut off a strand of hair. She also flashed Blake some red eyes when trying to intimidate her. The glowing hair signifies her attacks becoming more powerful, but the red eyes seem to signify it is at least active; at least that is how I have come to understand it.