With his knowledge, he could tell that this magic artifact was nothing to a single martial arts expert, but it was too lethal to an army. Especially those elite troops whose discipline was shocking. If they fled on the battlefield, they should be beheaded according to the law.
The army of Grand Xia had strict military rules, but the rules of the demon were not far off. Although the demon was wild and difficult to tame, and most of them were tribes that gathered in the mountains and forests, they had resisted Grand Xia for many years. It was thus impossible for them to ignore the strict military system of Grand Xia.