Game mechanic purupse of xd6 roles

[hcobb]

Originally Posted by Shostak

I recall having read that a feature of adding more dice is that the likelihood of rolling very close to the average expected value increases as the number of dice increases.

If I was doing an RPG I'd make the rolls on around 5 or 6 dice.
This way the players have a very good grip that they can set things up to almost always work and that once a play session outlier becomes the big deal of the session.