smetzger said:Just to confuse everything further. Game mechanics are not copyrightable. So, it is debatable if wether or not you would be in copyright violation.
Well I know people have stated this before on many boards but I don't believe that this statement has *ever* been tested in a court of law. Until someone actually wins a case, and sets presedent, with this defense, it is just a nice idea.

Besides, even if this is the case it does not excuse the fact that while you may use the game mechanics most of the terms used to describe it are still copyrighted. All of the Wotc books, along with *every* spell name, feat name, skill name, most class names, etc, etc. Including any text describing these. Even the stuff released under the OGL is still copyrighted and cannot be used outside of the D20/OGL license.
So while you *may* be able to use the mechanics it would have to pretty vanilla.