The woman smiled and replied; "I am sorry but that's part what I had sworn since birth not to talk about. But know the reason for our ancestors decision was important and still is. I would say none yet all those things you listed would be the reasons for our separation from humans and surface world. Kind a complex matter put to single world.<br/><br/>Now that you have got your questions then mind answer mine? How come there is one scaled children of underdark walking on streets in two legs instead proud four?"