"There is a secret passage out of here" Sorian told the party. "You have to go down into the dungeons, and find a large stone with four interlocking circles. Push in on that stone, and it will lead you to a way out of the castle, into a tunnel. From there, head down the road. If you need help from a wizard, as I suspect you do, given that you need to get out of here as fast as you can, simply approach the first oasis you come across down the road, wait until either dawn, noon, or dusk, and one of you needs to hold up a hand one with three fingers raised, then two fingers raised, then five raised, and three again. That's 3-2-5-3. Make sure your hand blocks the sun from your view. You will see what will happen, I don't have time to explain it now, and you need to go NOW in order to get out... the dungeons are down the stairs over here, he said, indicating a stairwell. Just go ALL the way down... "