are you thick?
I said it was anecdotal and highly Dependant on chance
THAT BEING SAID
it would break the game
why even bother with anything but a bow when you can kill anything by shooting it in the head?
if you were to make a case for some added bonus depending on where you hit (E.G extra damage for the head, chance of disarm for the arms, stumble for the legs, bleed damage for the torso etc)
we'd have something to argue about
but saying headshots should be one hit kills is just silly
even if it's just most of the time
oh no a really tough draugr deathlord, shoot it in the head, it dies
and if it doesn't die and kills you, reload and try again since the majority of the time it would die
it just doesn't make any sense
It would only be game breaking if the game wasn't designed with that in mind. It's very likely that making this change would require some other changes to balance things out. It's true effects in this game, as it is, are very unpredictable without actually testing it in action.
You're implying that it would make the game too easy with your draugr deathlord example but don't forget you could be shot in the head too. In a perfect world, both these aspects would change difficulty in the same measure and you'd meet in the middle at the same difficulty level.
I think your reloading argument is beyond the scope of this discussion. I mean, you're saying it would be easy to kill it but if you need to reload 30 times to do so, does it still count as being easy?
Now you might throw the opposite argument. "I'm hit in the head all the time, then I'd die all the time and it wouldn't be fun". True, that's why this change would probably give rise to other changes. For instance, it probably should be harder to hit a moving target in the head. The AI seem to be a little too good at that. Maybe your own gameplay would change naturally to adapt and you'd seek cover more often. Maybe other factors would be taken into consideration, like, is the target wearing an helmet? What kind of helmet? What kind of arrows are you using? Is the target a magical creature (like your example)? Can we justify, it not needing an actual working brain to fight?
The point is, you don't need that much creativity to come up with ways to make a game fun and realistic at the same time. If the game is designed for that, I don't see why it would have to break.