Wolf smoke is everywhere in the north, and the mountains and rivers are broken like candles in the wind. The border guard general Shen Yan led his remaining troops to defend the isolated city. Facing hundreds of thousands of enemy troops, all his officers and soldiers were determined to die. He stroked the broken sword blade, looked at the weeping people behind him, and let out a long sigh that shook the city wall: "If these mountains and rivers are not there, what use will my remaining body have?" From then on, using flesh and blood as a shield and a loyal soul as a torch, he vowed to protect the last pure land of his family and country.
