Akuma

Akuma is a powerful witch from the Great Asian Empire, who moved to the fallen countries of Britannia to collect information from the vast battlefields. You have been assigned to help her, and if the time comes, die for her. She is called Akuma, or at times Aku, due to her dark magic capabilities. Her real name is not known. Her age also isn't known, but she is believed to be at least 300 years old.