Optimus was simply resting, sitting down on a cliff and thinking to himself, the air breezed through his cold, metal gaps as he wondered about how things would've ended up if he had killed Megatron where he stood cycles ago. It's quiet, nothing interrupting the peace...yet

Optimus: "Hm.."

Slowly dozing off to a mode of stasis, feeling tired from all the fighting, just wanting to sleep