Title: And If That's All There Is (It Ain't So Bad)
Pairings and Characters: Dean/Castiel, Sam/Sarah Blake, Anna, Adam, Michael, Lucifer, Nick Burkhardt, Rosalee, OCs
Warnings and Enticements: Grimm crossover, angst, show-level violence and gore, minor character death, drunk Dean, brief Dean/OMC dub-con kissing, come marking, public sex, handjobs, rimming, spanking, rough sex.
Summary: The gates to heaven and hell are closed for good, and Dean is spinning out of control. As he drinks his way across the country, putting down low-level monsters with the reluctant help of his brother, Dean feels himself losing everything he once knew. When a hunt in Olympia doesn't go the way anyone expected, Dean encounters Castiel, a different kind of hunter who opens Dean's eyes to a world of possibility.
Notes: I just hope these bits of art come even close to showing how great this story is.
Fic master post
[Cut for art]