I Haven't Even Drawn My Sword, So Why Has This King Been Made Regent?

An Wang Xu Yang was once declared unlikely to live long, and spent ten years in the prince's residence in complete obscurity. Yet he was both wise and courageous. At last, he stepped beyond the palace walls and took on the vital duty of governing in the emperor's stead. He fought powerful ministers, crushed the great clans, and won the people's support through his extraordinary talents, ushering in a new era for the dynasty.