She has the rare power to see fairies, an ability she inherited from her mother. Lydia also possesses green eyes, a trait of those with the gift to see fairies. Her eyes are green-gold. She is independent and kind, and doesn't hesitate to help others. She ends up working for Edgar as his consultant on fairy-related matters after helping him retrieve the Merrow's Sword key to him being recognized as the Blue Knight Earl by the Queen of England.