His rhythm faltered for a klick at his sudden success at driving a sound out of Megatron; he really was out of practice.

But apparently that was not hurting his overall performance. He felt that wiggle, and it only drove up his determination tenfold.

"Not even close," he purred, managing several more strikes before twisting his wrist just so on the next swing.

His engine revved in triumph as he hit the sweet spot, drawing a wave of sparks as palm struck living metal.

"I won't be through with you until I am satisfied that your error has been returned in full."