Classes
A Class is the profession or vocation of your character. It determines what he or she is able to do: combat training, magical ability, skills, and more. In selecting what class is right for your character, keep in mind what base strengths you want him or her to have.
Prestige Classes - New custom Avlis prestige classes.
Other Links
Classes (bioware) -- (NWN Wiki) Classes (Planet Neverwinter)