Board Thread:Episode Discussion/@comment-24573226-20170121144613/@comment-4010415-20170121171247

SpiritedDreaming wrote: ChishioKunrin wrote:

I felt like it happened because he became determined to do something, like his father said. "Sometimes the worst thing you can do is nothing."
 * I'm in the "calming people/removal of negative emotions" camp, considering that his Semblance happened when he was having a panic attack that prevented him from taking action, and once it happened, he calmed down.

Ren gets determined to do something, his aura is unlocked and his semblance activates, he runs to do it (probably without even realising that he's protecting the two of them from being foun dby Grimm). The thing is, his fear prevented him from taking action, both in the case of the bullies and the attack on Kuroyuri. So, why not an ability that removes the roadblock that kept him from taking action? He didn't stay gray as he ran across the street to the building Nora hid under. He turned gray, calmed down, regained his colors, and ran across the street.