Literature Reference: The emperor of Yuanhe, with a divine martial bearing, who was he but the great rulers of old? He vowed to avenge the shame of past sages, sitting in the palace to receive the barbarians from all directions. For fifty years, the rebels of Huaixi thrived, their ferocity unmatched. Yet the emperor found a wise minister named Du, whose loyalty was unshaken. With the imperial seal at his waist, he led the army under the emperor's banner. The soldiers, fourteen thousand strong, were as fierce as tigers. They captured the rebels and presented them at the ancestral temple, their merit beyond compare. The emperor declared Du the foremost in merit, and Han Yu was tasked to compose the inscription. Han Yu, bowing deeply, crafted a grand inscription, a masterpiece of ancient style. The stele, three zhang high with large characters, was supported by a sacred turtle and adorned with dragons. Its profound words, though few understood, were engraved in the hearts of the people. Oh, the sacred king and his wise minister, their glory flowed like pure light. Han Yu's inscription, passed down for generations, became the foundation of the imperial ceremony of Fengshan.