In which John when nuts after Mary died and became a serial killer, forcing Dean into the family business as well. However Sam escapes, and Dean turns on John. Years later when things are happy and right with Sam john returns and ruins Sams life again. Police officer Gabriel comes in and is assigned as his protection. While Dean and Castiel are rivaling serial killers.

Post Season 10 or spn, and slight per to during Harry potter Castiel makes a deal with a mysterious figure in return they get to live in a new world. [so much nicer then the summary please give it a shot]

Destiel Au. Angels hate humans so much their killed on sight and forced the humans to retreat underground. Dean is a disabled hunter who was just going on a simple vampire hunt when he runs into the Angel Castiel who seems set on keeping him alive, What could go wrong? (sorry i suck at summary's. Mature is for violence and gore, possible language, no sexual content.)