What's that Optimus, hoping to have some quiet time by the crater to think? Hahaha unlikely, more so since there is a small (for Cybertronian standards) robot who happened to be puttering about in the crater at around the same time the Prime is doing his thing. That robot, being Miria, may have noticed Optimus and is trying to not be noticed.

Which makes it kind of hard to get out of the crater, since transforming and flying out is to flashy. So climbing it is. Which is not quiet at all, especially when she slips and let's out a small...

"... ow."