After Guarding the Border for Ten Years, My Sister Was Given Away for Marriage?

Invincible text. Wang Xuan traveled through a fantasy world, fought for the Daqi Dynasty through life and death, and guarded the cold frontier for ten years, just to resist the barbarians so that they would not dare to step into the Daqi frontier. Unexpectedly, the strength of neighboring countries has greatly increased. In order to please the enemy, the Daqi Dynasty actually sent Wang Xuan's sister to the enemy's country to make peace with her. After Wang Xuan learned the news, he returned to Beijing overnight, but all he saw was his sister's body. All the ministers said: "Wang Xuan, you returned to the capital without permission without receiving the imperial edict. Please punish your Majesty and punish the nine clans!" Emperor: "Wang Xuan, you hand over your military talisman now and return to the border to start as a soldier. I will not argue with you about this matter." Wang Xuan was filled with grief and anger. The system awakens in pain, detects the host's extreme despair and crying, and successfully activates the revenge system. Reward the host with a thousand years of pure cultivation, a supreme physique, a sky-swallowing chaotic body, and a supreme magical power called "Celestial Cover" On this day, Wang Xuan's cultivation level broke through three realms in a row, like a demon god descending into the world. Wang Xuan: I want you all to die!