> > I guess if I had been given the task of designing the combat system, I would have made it something like the following:
> >
> > Chance of monster hitting = (factor/100%) ^ AC
> >
> > This makes the chance of monster hitting decrease asymptotically as AC increases, but the chance never hits zero.
>
> That's a pretty good one. I think the next time I do a game with this engine, though, I'll change it so that hits are determined by comparing your AC with the monster's dexterity. That way there is never any absolute ceiling. You just take your AC (say, 45) and do a weighted random number centered around it (so that numbers closer to 45 are chosen more frequently than numbers further away) and then compare that to a weighted random number centered around the monster's dexterity.
>
> So if you have an AC of 45, it'll usually spare you from hits from monsters with a dexterity of 25, but not usually against monsters with a dexterity of 65.
>
> It makes sense, because a dextrous monster will be able to maneuver around your armor. It probably also makes the gameplay work out, because the monsters' dexterities could increase roughly as your armor class does.

I've got a somewhat related question.. What is WC used for? Is it used to determine chance to hit? Or damage? Or both?