Tolong jelaskan mengenai Gallia dari Daftar karakter The Familiar of Zero

, a mysterious beauty, is introduced as Cromwell's secretary in the Reconquista faction, but she later kills Cromwell after he is captured by Tristain and takes possession of the Ring of Andavari, which furthers the war between Albion and Tristain. Sheffield poisons South Gotha's water supply so those who drink it will also revolt against Tristania and Queen Henrietta. In the third anime season, she reveals that she is , a familiar of a Void Mage. Her power allows her to use any magical artifact and gives her insight into magic theory. She later reveals that her master is Joseph, the current King of Gallia, who is searching for other Void mages. She served Joseph out of a desire to be loved by him.