AN: I had a bit of trouble with this one, and the ending seems a bit rushed, but I tried.
"This is your fault," Sam growled as the werewolves boxed them into a corner.
"What? How d'you figure?" Dean asked, far calmer than Sam.
"Because you're the one that thought cutting through this alley was a great idea," Sam said as he popped his clip out, checking to make sure it was fully loaded with silver.
"Oops," he said with a shrug. Right before he took aim at the closest werewolf Sam saw that maniacal glint in Dean's eye, the wide grin Dean only got when he was killing monsters, and he had no doubts they'd walk away from this.