This Can't End Well, Part Three

[highermagic]

Title: This Can't End Well, Part Three
Author: highermagic
Rating: NC-17
Pairings/Characters: Dean/Castiel, Sam/Gabriel
Spoilers: Season 4/5/6
Warnings: confusion, character death, angst, dub-con, violence, language, creature!boys, HEA.
Word Count: WIP
Summary: "You did what?"
Notes: Unbeta'd. All mistakes are my own.