"He offered me the power to save him! I had to, I had to save him... we have so few children. He... he was a human, dressed in robes, with a cowl. And I... I..." she hangs her head in shame. "I burned a village of humans. Twenty humans slain, and their village burned. To save my son." There are gasps of horror, at her revelation, from the other dragons in the cavern; clearly, they hadn't known of this wicked bargain.