Protect the Country Blade

Accidentally traveled to a parallel world. There is no golden finger, no landlord prince, no wealthy son-in-law, no group of wives and concubines. He only relies on his ability and passion in his previous life. Let's watch him fight the bandits alone and protect the villagers. He mounts his horse to defend the enemy and dismounts to secure the country. He changes the clouds and rains and destroys the country by talking and laughing... A combined force of 300,000 stormed the Tianmen Pass, and blood flowed into a river. The city was about to be defeated. At the moment of the decisive moment, the dust filled the sky five miles behind the enemy troops outside the pass, carrying a black torrent. Clusters of locust arrows poured down, and they howled pitifully. Then, they rushed into the enemy formation with sharp swords... The soldiers were overjoyed and their morale suddenly rose: "This is the Dark Horse Legion, worthy of being the sharp sword that protects the country..."