Teen Wolf AU ♦ Stiles is already a werewolf and part of Derek’s pack when the Winchesters arrive looking for some supernatural murderers. Sadly they succeed in capturing Stiles and they don’t believe that they haven’t found exactly what they were after.
Dean: Okay, Obi-Wan, cut the crap. Every frickin’ werewolf is the werewolf we’re looking for, which includes you. And I got some nice, fresh wolfsbane in these little bullets just for you. So you better start talking.
Stiles: Oh, no need for presents. It’s not even my birthday.
Dean: Okay, enough, I’m gonna beat the crap out of that kid.
Turns out wolfsbane bullets actually do hurt a lot.