Re: "You think you'e the only one who can learn the strength to escape?"
last son, I think Bane's conversation with Bruce after they arrived at the Pit is the biggest support for this theory. He gets a haunted look when he talks about people climbing over one another to stay in the sun. Like the stuff he saw in the Pit lingered with him.
"For he had promised her that, when she first saw Tanelorn, she would be riding upon a dragon."