I'm interested but I'll see if my concept gets the go ahead first.

So I was thinking of my character originating from the deepest parts of Russia. The concept being that the winters of that part have very little sun to begin with, so every winter the vampires would come in small numbers for feeding. Not enough to alert the rest of the world. (Inspired by 30 Days of Night.) A few families tried resisting, but resistance meant more lives taken. Still, with persistence they were able to take down a some over the years the old fashion way, destroying the heart.

My character would try to replicate his approach in reverence of his towns history. Using a Crimson Arm flamethrower to weaken the vampires then use a blade for the heart. I also envision him in something similar to a Warhammer Space Marine get up to content with their super strength a little bit better.

I would also say I would prefer my character be 18 at least, because of the dark and likely violent nature of the story. Either way let me know if the concept seems alright for your story.