Ratchet goes still and very carefully sets the part he was inspecting down before he turns his head slowly to look over at Shockwave with glittering optics.

"I appreciate your clearly very incisive assessment of my usefulness," he says, his voice just shy of frigid. "I've been the Chief Medical Officer of an army in a shooting war for four million years. I apologize if this shocks you unduly but I do, in fact, know what I'm doing."