She is the mage knight Luxia she defeated the demon king and his minions and now takes on any other quest, her magic is star magic and moon magic and she can manipulate space how she wants and she is the reason the moon gets it's light, she doesn't have an ego and is humble and will help people whether their rich or poor  she founded her own guild called starlight's gleam and is always looking for new members. She likes to train and practice using the moon god sword