Megatron nods in return, solemn and grateful.

... And then there's the issue of Rodimus's arm.

He sighs.

"The first time we ran into Tarn," he explains, "neither of us were equipped to fight him off. I can only assume he didn't know that, because I managed to scare him away, but..." He shakes his head, glancing at Rodimus. He isn't petty and immature enough to get into the details of how Rodimus totally brought it on himself by provoking Tarn, but he kind of wants to.