Jack was startled by some kind of commotion outside of his cell, but the sounds were dim, so he figured that it was in a relatively fair distance from where he was. He hypothesized that it had something to do with their group and was afraid that Allen may have lost control again, the worst possible scenario. He knew that they wouldn't be able to stop him without casualties and for what he knew, their team wasn't made from killers. His impatience grew, something rare, which triggered a change. He could feel energy passing through his index finger, albeit different from the one running through his thumb. He didn't know what it was, but he would eventually test it out, as he assumed and he hoped that if Allen went on rampage, it would help to stop him. (Basically, I am asking for my first upgrade...I am waiting for your approval boss!)