[quote=@Mysaren]
<Snipped quote by Wraithblade6>

It's been established that the vampires think that they're better/mightier than humans, though. I'm assuming they'd have no real interest in interacting with humans, especially humans that are trying to hunt them, unless they gained something from it.
[/quote]

You have no idea the value of human slaves.

But there is also animosity and fun backstories they could have with the players.