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Castiel straddled Sam's hair, hand plain open from the forehead caressing backwards, fixing the silky locks with the fingertips. The angel's eyes not leaving the hunter for a second, hoping to catch any sign he was gonna wake up, but there he laid, limp and unresponsive. Castiel let out a long, deep sigh of pain in the struggle of feeling powerless, worse of all when something happens around the people he loves, and this...this was his fault.
Not that he intended any harm, heaven knows if he had idea of what would happen he would have never done it no matter where Chuck was, he wouldn't and couldn't risk Sam Winchester's life.
Castiel pressed the lips tight and then ran the tip of the tongue on the edges to wet then before to draw a breath in
"Sam?" He tried again, the raspy voice insecure, he waited holding air in his lungs, waiting. Castiel brushed a thumb on the man's skin, pain coming through his eyes that seemed even redder around the cerulean irises. All he received in response was the steady and smooth movements of the chest, a light shifting underneath the eyelids at most, time to time, but nothing more, at least for now.
For now... Because he had to get up and be alright, Cass just couldn't get to picture him gone and just the mere glimpse of that possibility was a thought he had t push away immediately how unbearable it was.
He gripped a hand on Sam's still, colder, hand, closing around it gently "Oh Sam.." he murmured before to let go of the grip leaving Sam's hand to rest on the sheets and he folded his own hands together, his back curved in his pensive position, he had to do something, but what? Who to call? If only there was Rowena...but she was gone too, and Jack...their son, was gone as well, but even with his powers maybe he couldn't help this unusual situation, their absence felt like a stab in his chest, and Castiel decided they lost already too much. What was left was one last call to someone he couldn't trust yet needed because of their knowledge, Sam's life depended on it.