AliciaClark1999
After everything they have faced, demons and monsters and angels alike, they could never have guessed what came next. When a old acquaintance pops up again, the Winchester brothers soon realise Cas was right all those years ago, and that little boy they helped escape would now come back to bite them. There is only one way Castiel can think of that may be able to save everyone, and that is the 3 eternals, first they have to find them, then they have to convince them and it won't be easy. Chuck help them.