Dean and Cas are two world renowned serial killers, and begin a game of cat and mouse, leaving each other messages in their victims, winking/waving at each other on security cameras. Eventually, it's going to come to a head when they both pick the same victim; Sam Winchester. Inspired by a post from therangerofthenorth on tumblr.

'The Calamity' has left the world stripped and dying. Alone in a civilian bunker in Munich, Sealand will be reunited with the last known living member of his surrogate family and together, they will set out across Europe to find those they have lost.