I guess killing Cas off in the S6 finale when he's died in the previous two finales IS repetitive and not that unexpected at all, you're right... I just can't help fearing the worst, ahahaha. idk.

Ought we count Raphael in that if she's the antagonist? I assume both Raphael and the Mother are gonna bite it anyway. Well, maybe Raphael can be punished by having her grace ripped out.

As for Grandpa Winchester, well... he was in the previous episode!