Vlad leaving without a sip?

I've had night attacks, usually from towine vamps, but that was in the early days of the pack, so the reported above changes may well be the reason for your experience. Having a vampire in residence made no difference in whether a house was invaded or not. None of the premades have the welcome power so if the door is locked all they can do is knock and stand around. Have discovered Vlad likes the water slide, so he will use that if you have one. With abundant painful memories of the past still fresh, I have my sims plant garlic farms out front. Makes for sick vampires and provides a nice side income.