Originally Posted by Adiktus
...Good example: if everyone fails their perception check on the lever in Selune's Temple that opens the way to the Underdark, you can still solve the puzzle and get through. Annoying, but at least that option isn't completely gone. So even if you've sworn, for whatever reason, never to reload, you can still gain the experience and find the route ahead.

Well in regards to the UD, there are multiple ways to get down there. So in effect, what you are saying is already there. Not disagreeing with you, just wasn't sure if you knew that.