Jessica

Daughter of Benedict

When Benedict showed up with a young blonde woman and said, "This is my daughter Jessica. She will be my successor," no one questioned him. And when members of the family saw the two of them practice, all thought of questioning Benedict went out the window.

She's good. She's damned good.

When her father's sudden demise led to her becoming Armsmaster (or rather, -mistress), the regime didn't so much change style as change gender. Of course, this seems to have impelled a rumor that Jessica is merely a shapeshifted Benedict...