Beatrice Waltrud von Kircheisen

Beatrice Waltrud von Kircheisen, also known by her Demon Name Valkyria was a former member of the Longinus Dreizehn Orden, being Kei Sakurai's predecessor in Seat V of the Black Round Table, now deceased. Despite being dead as of the beginning of Dies Irae's main story, her influence is still felt, mainly thanks to her connection to Kai and Kei Sakurai, as well as to her former commanding officer.