In medieval Europe, knights and demons existed side by side. In the chaos of this stage, both the king and the nobility need some arms that have an overwhelming advantage in the war, and for this they will carefully cultivate some young people to become knights. But there is no trace of the source of the demons, they are always in the persecutors of the people in the city. In the struggle, the brave and fearless knight sealed the leading demon and imprisoned it in the dungeon of the temple, while the rest of the demons did not dare to show up. Recently, the seal of the demon leader was loosened, and other demons also accepted the call of the leader and began to stir up a battle of golden drums and wolves is about to begin ..... The work is designed according to the above settings, fitting the medieval style and adding some magic elements to add some interest.