User blog comment:IamJakuhoRaikoben/Chapter 463: Black Carpet, Review./@comment-1776824-20151123213644/@comment-3290324-20151124040759

The problem is that they really don't have a fighter to spare. In addition to multiple Spriggans coming in from each side, there are hundreds of thousands of troops as well. And all the fighters are needed at their various posts.