Emma Millstein is a key character in the "Eiyuu Densetsu" (The Legend of Heroes) series, specifically in the Trails of Cold Steel arc. As a member of Class VII at Thors Military Academy, Emma is known for her intelligence and gentle nature. She serves as the class's unofficial leader and is often seen as the voice of reason. Additionally, Emma is a skilled practitioner of magic and has a mysterious background linked to the Hexen Clan, a group of witches. Her role involves uncovering the deeper mysteries surrounding Erebonia and supporting her classmates in their quests.