User blog comment:Rafe Adler/"Advanced Thanatology" Discussion/@comment-26982641-20171110153721/@comment-10889355-20171110171017

I don't think they will because if Billie dies, then they'll have to create another reaper to become Death. But who knows? They're bloody Buckleming. They love women suffering.

Also, no. Cas wanting to go back to a place he hates and basically made his life a living hell (hehe) will just take his character a massive step back. I still think Jack or God or even Lucifer (if he lives... but please don't) will take Heaven back.