but her eyes changed to normal once she calmed down and answered Tludia.

You know that Nephren sometimes slipped her true appearance due to uncontrolled emotion,that one time she got caught by some kind lord. The picture that I used in my post was that she was mad at Tludia for keeping saying how only strong people become knights and her pupils become slits like dragons,

6. Quaring's ability is the same one with the Magenta Falcon, a knight that got killed by Waron in Gilgamesh's side story.