ACTUALLY, she has WAY more health but the heroes deal more damage cause they're overleveled for the fight and put all their points in the damage tree, yep!
well that still doesn't explain the heroes huge amount of health and the vampire lords pitiful damage. as well as the fact the vampire barely has any special attacks (almost like the devs ran out of time to implement a harder final boss)
Hehe, imagine she's one of the first bosses in the game and the heroes have grinded fodder monsters until they were actually strong enough to beat the final boss already - they're just overleveled! :D
