“Eternity is really rather boring, John. Mortal life seemed as though it would be far more interesting.” Sherlock is actually the Devil, but he decided to live as a mortal because ruling Hell was boring.

Sam smiles, bright and luminous. "An angel's Grace isn't just power, Dean. It's a part of their soul." An AU 'verse that takes place after episode 5.22.

No one would help him get to the bottom of Kerberos, and it had all reached a breaking point when Iverson threatened to terminate Keith’s scholarship if he kept snooping. So Keith got what he came for, the little black book no one was ever meant to find, and stopped snooping. Because now, he’ll have someone else to do all the snooping for him. The situation isn’t ideal, Keith thinks as he slits his palm open and methodically draws the pentagram on the floor, placing the necessary items one by one into each point of the star. But considering the circumstances, he thinks he’s done alright for himself. More importantly, for Shiro.

On the high seas pirates draw their power not from devil fruit but with deals with demons, and pay the price in turn. Blood, salt, and water, everyone's soul is on the line, but only if you're fool enough to make a deal.