Ratchet just ignored the look in favor of concentrating on his own progress, splaying out the calipers further to give himself more room to work. Numbing the area with a quick twitch of circuitry, he dealt with the cold-welding quickly enough.

Optimus meanwhile, recovered enough to give Megatron a mock-glare, before shaking his head.

"I think all thirteen are required if we're going to do it right. The first time at least."

He didn't know the specifics, though. It just felt...important. Proper.

Right.