That may be because he's a sneaky thief. And the vampires tend to always spot him first and run straight towards him. They're the only type of enemy who kills him, frequently.
How could he defeat them, without using magic? I know they are vulnerable to fire, but I don't want to use spells (for the sake of roleplaying). The bow is pretty useless at close range, and although swords do work somewhat, my char doesn't have a very high one-handed skill nor does he intend to level that up (for the sake of roleplaying)
Serana follows me, but she never helps much. I think her drain life spells hardly accomplishes anything, except a few reddish bubbles on the screen.
Please help?