Heaven will go as far as they can to replenish their population. Even if it means mixing species. *Sorry if Cas is kinda OOC :))) Image belongs to Cindre on Deviantart.
Bobby Singer has one of Ghost Writer's books and its Danny's job to bring it back. Except, since when is life so simple? (Season 7; Complete (Bobby's House didn't burn down))
You don't just go and bind Death without somebody noticing. Especially his best friend. If you read this I'm so sorry for wasting your time. Complete.
Its hard to kill a ghost/human hybrid. The Winchesters don't know that though. Rating: Idk the rating system so 'T' for mild swearing? Complete.