"You are very strong, big brother." And Castiel was showing both his cunning and his survival instinct by calling him big brother under these circumstances. He looked at him, realising what he was doing. "Are you reaching out to Lucifer?"

It wouldn't be possible for Castiel to do that, not without permission. A different tier of angel. But Raphael was an archangel himself. Looking at Matteo, Castiel explained. "I think he can feel Lucifer. Archangel Radio."

"Ah, he gets more channels. That explains so much." Like Raphael's tendency to channel hop, for one thing. Sam looked at Raphael. "What's so funny?"