Vita is a central character in the anime series 'Mahou Shoujo Lyrical Nanoha'. She is a member of the Wolkenritter, a group of magical knights who are protectors of the Book of Darkness. Vita is known for her fierce and determined personality, as well as her unwavering loyalty to her comrades. Despite her petite stature, she wields a massive hammer called Graf Eisen, which she uses with great skill in battle. Over time, Vita forms a close bond with the protagonist, Nanoha, and plays a crucial role in the series' unfolding events.