Signum is a prominent character from the anime series Mahou Shoujo Lyrical Nanoha. She is a powerful and skilled knight, serving as the leader of the Wolkenritter, a group of magical knights. Signum is known for her unwavering loyalty and strong sense of duty, often acting as the tactical mind behind her team's actions. She wields a magical sword named Laevatein and is a formidable combatant. Throughout the series, Signum's character evolves as she faces challenges and forms important bonds with other characters.