I knew there was no way for this to end well and I assumed, like I’m sure all of you did, that Cas would swoop in and heal Dean at the last moment. And that he would not make it through that ordeal. I thought that Cas was going to die for his friend.
Don’t lie, you all thought the same. In this episode, and for weeks prior, we’ve been reminded that Cas will not make it much longer with the stolen grace slowly decaying inside of him. So, when Metatron appears and tells Cas that the one human he was trying hardest to save was dead, that that would be his call to go and once more save Dean from the abyss.
But we were fooled. Cas thought he was too late, and he stayed in Heaven.