Medieval Knight Modeling

Generate "Medieval - Heavy Armor Knight" modeling prompt: knight in full plate armor, medieval style, polished steel with scratches, red plume helmet, holding shield and longsword, realistic 3D character, dramatic lighting, dark castle background, 4k render 要求：① 英文提示词；② 中文要点：板甲部件拆分（头盔/胸甲/肩甲）、金属材质分层、历史准确性参考。