[there’s some fumbling, and some awkward button pushing, along with a frustrated noise of an angel who fails at technology, but eventually the video comes to focus on his face, and he looks … less than happy. Not that Cas ever really shows much of anything, but here it’s mostly annoyed]
Raphael, if this is some kind of trick to keep me from returning to the war, I believe you’ll find yourself disappointed. My allies will continue to fight in my place, and I will find my way out of this. It’s only a matter of …
[there is a pause. A longer pause than should be necessary given the situation, but he really doesn’t know how he’s going to get out of this yet]
… time.
[another beat, this time shorter as he’s changing subjects]
Sam, Dean-I’m coming to you. I don’t understand how it is that I can find you unless this is some kind of temporal displacement, in which case do not trust anyone here. There are other angels here, and I am unsure as to … where their allegiances lie. I will explain when I get there.
[a deep breath that he doesn’t need, and now he really sounds tired more so than anything else]
Please don’t do anything stupid.
[and with that, the feed cuts off]