Yes, as I've written above, I have already solved the Tutamun(vampire) quest before I killed him...oh, and this is also how you can kill Seth without any problems, he won't fight back! (That means a lot when you're just a level 10 and attacking a knight level 39!!!)

...Carry on, into the horizon, wielding courage, staff in hand, journey through the shadows and dreams and what lies beyond the guardian's keep...