Demoted to Northern Xinjiang? I Exploded My Troops and Overran the Imperial Capital.

He was Fang Yun, the most inconspicuous sixth prince of Great Xia. He was wronged and demoted to the bitter cold northern borderland just to fulfill his reputation as a prince. Everyone thought he would die quietly in exile, but little did they know that he not only brought the "treasure" of modern knowledge, but also awakened the sign-in system and set foot on this wild territory forgotten by the world! In front of the Zichen Palace, he argued hard, but was despised by the officials; on the way to exile, he used modern knowledge to solve many problems, and also relied on the sign-in system to get a lot of help, which amazed everyone! When the prison car arrived at the border of northern Xinjiang, when he stepped into that land full of challenges and opportunities, [Ding! Successfully signed in at [Northern Border]! [Congratulations to the host, you have obtained the primary farm tool set! He began to use modern knowledge and the items obtained as sign-in rewards to open up wasteland, refine steel, and train iron cavalry. Bite! Signing in at [New Workshop] was successful! [Congratulations to the host, you have obtained the secret recipe for steel refining! [Ding! Successfully signed in at [Martial Arts Arena]! [Congratulations to the host, you have obtained the cavalry training manual! With the assistance of the system and his own efforts, three years later, the cavalry marched across the grassland, and even the princess knelt down to beg for marriage... Only then did the man on the dragon throne suddenly realize that what he had exiled with his own hands was not an abandoned son, but the real hidden dragon of Daxia! "Your Majesty, these thousands of miles of northern territory... Now belong to me!" It turns out that exile was the beginning of his dominance!