The insignia of a Sergeant's rank might not be eye-catching, but it is still necessary to pay attention to the fact that Freya, being significantly younger than most of the boys who were only privates and first-class soldiers, was indeed remarkable.
"Non-conventional combat can influence the course of a war, but the decisive factor in the outcome of a conflict is still the direct confrontation of forces. If a decisive victory cannot be achieved on the battlefield, the value of non-conventional combat will be limited."
Tyr's rebuttal was clear and precise, and in defending the superior students with sergeant badges compared to Freya's, he did not mention any rules of etiquette for ladies.
"To more effectively strike the enemy, the mode of non-conventional combat should also receive equal attention and importance as conventional combat. It is not necessary to focus solely on one side; reasonable alternation can produce changes that accelerate the progress of the battle."