Used to be 'Guardian Demon'. Sam and Dean have developed a habit of NOT working with demons, given that they usually screw you over. But when a couple powerful new allies arrive, the brothers may have to change their outlooks a little. Starts during the leviathan arc.

A new case. Two new hunters. What will they bring to the Supernatural storyline? Story begins in season three. Rating may go up.

Dean stumbles across a strange child playing poker in a place where he does not belong. Shortly thereafter, the two of them walking together run across something even Dean's never seen before. Things only escalate from there. Stanford Era!Dean and Pre-series!Allen.

Before Sam was born, John and Mary found a baby on their front steps. But when he's seven, Amycus vanishes to the time he now belongs to and becomes Allen Walker. Years later, he and his brothers are reunited in order to stop the Devil

100 Theme Challenge, Sam x Miranda, Miranda is accidentally thrown into the Supernatural 'verse thanks to a witch's spell. Now, Sam and Dean have to find a way to send her back, but will she want to go back?

If the Supernatural universe had Bookmen. And if the current Bookman was Lavi.

This is actually a D.Gray-Man, Supernatural AND Pirates of the Caribbean crossover, but apparently that was too hardcore for FF to handle. Yes, this is an actual dream that I had. No, I don't know what's wrong with me. No, I... really can't explain it.