[action]
Like I had said before, I'm an angel. [His reasoning for everything. But, okay, seriously. His mind is currently working at super high speeds. The angels had found out about Azazel's special children a while ago, but they had had trouble figuring out why the children were needed.]
[But that was years ago. Cas knew now. And this Ava Wilson had demon blood in her like Sam. Yeah, Cas is just going to do lots of thinking and trying to figure this out.]