User blog comment:IamJakuhoRaikoben/Chapter 463: Black Carpet, Review./@comment-27122410-20151123164917/@comment-1359322-20151123170623

Well Mavis survived a warring period before and she took many lives with her strategies too, she probably wanted to avoid it being a all out war between Ishgar and Alvarez, who knows how many will die in that battle if that happens. In that sense, you can't fully blame her either.