The knights were wearing iron armor, holding sharp swords, and their battle flags were flapping in the wind. rallying cry "When the first ray of dawn penetrates the darkness, the warriors awaken to the sound of the trumpet, for glory and faith." Please help me generate a two-minute video based on the above conversation. The story background of the video is in the Middle Ages. It requires grandeur, epic battle scenes, and a sense of reality. The video screen is 16:9, ultra-detailed, and video style. It is 3D Animation seed, realistic, seed is 122