User blog comment:ImperiexSeed/Supernatural Mysteries/@comment-3481504-20120402011624/@comment-1509826-20120402175707

True raphael probably could, but at that point Adam wasn't allive, and I don't think Cas new about him.

But I get your point, he implied no one could kill him, when it had already been stated that mIcheal could. I can't think of any belivable reason for that, sorry.