Hilda Boreas Greyrat possesses a mature physique, Like her daughter, she has red eyes and red hair. She is normally seen wearing a formal dress with earrings.
Her breasts are very large and she has a very slender and voluptuous body.
At first she was very cold towards Rudeus Greyrat, due to the fact that he's related to Paul, whose family took away her two sons but she does eventually warm up to him, acting very motherly and proud of him and even calling him her son, even offering him her daughter to marry.
She played a minor role, sparking the budding relationship between Rudeus and Eris.
In the teleportation incident, she and her husband was teleported into a dangerous location where they were found dead once Ghislaine Dedoldia reached and found them.