A lead on that Lamia, and a knife blessed by a priest ready to stab the son of a bitch, and y'all were good to go.
But it's never that easy.
Somehow you lost the knife, but lucky you got salt and rosemary just in case you need it. And need it you did.
With Sam groaning in pain, crouching after becoming the Lamia's punching bag for a few moments and you still fighting the ugly beast, Dean threw the mixture of salt and rosemary on the Lamia "Back off!" He warned you before he sets the thing with flames.
Some of the flames reached your flannel, rushing you to impatiently rip it off your body.
With the Lamia dead, "well, that was easy" Dean breathed, lips stretching in that boyish grin of his. That until he looks up at your shirtless frame, and he had more than enough time to appropriately look away.
He didn't. Shocker.
"Wow, you look-" he licked his lips, shifting from foot to foot "Wow."