I believe this other state you are thinking of it Transcendence, and I don't really think there will be a game system to support it. Being a Lich and reaching that state were said to be the only two ways to escape DO.
(Yes I posted this in the no respond folder, which I hate BTW)
"I am safe - I am safe - yes - if I be not fool enough to make open confession!" ~ Edgar Allen Poe
