The war had made everyone's hands dirty, whether they fought in it or not. Both action and lack of it tended to taint it. Optimus just happened to carry through with everything he did. Prowl would say it was one of his worst traits. Others? His best.

Sometimes he just didn't know anymore. But he kept going, because in the end...that's all he knew how to do.

Those eyes flick up, though, looking at Shockwave both bright and inquisitive. "What is it?"