Lilith

Lilith is a non-playable character from Fire Emblem Fates. She is an Astral Dragon that lives in a Shrine in My Castle. Lilith is humble, caring and considerate. She keeps her true heritage and ties to Corrin a secret. Due the fact that she is a dragon, she has the ability to communicate with animals and has access to other planes of realities, such as the astral realm. Afrer Corrin nursed her back to health when she was heavily wounded, she shapeshifted into human to assist Corrin through the years, in order to repay their kindness. She became extremely close to Corrin as one of their maids. During the story of Fates, Lilith has always been willing to leap into danger in order to protect them, even sacrificing her life in exchange for their safety.