Three Kingdoms: I Came Here After I Unified the World and Established the System?

Introduction: Traveling through the Three Kingdoms period of the Eastern Han Dynasty, Liu Cheng relied on the ability of the traveler to predict the future and was able to defeat fierce generals crazily. After more than ten years of hard work, he finally achieved the achievement of supporting the Han Dynasty and unifying the world. Just when Liu Cheng was sighing that after fighting a lifelong battle, he could finally enjoy it. The system was long overdue. [As an unknown person, the host must have a foundation to survive in troubled times! [Please gather 3,000 soldiers and horses within one year, and you will be rewarded with a special unit: 3,000 battalions] I wanted to ignore the system and continue to enjoy my imperial life. But they learned that if they complete the system's ultimate mission of unifying the world, they can gain immortality and sublimate the world! As a king who rules the world, who can resist the temptation of immortality? As a result, the emperor who conquered the Three Kingdoms and dominated the world began a series of operations that even his subjects could not understand. A certain county magistrate: "I'm just a little greedy. Why did your Majesty personally lead the army to conquer it?" "The fish is dead and the net is broken? Are you crazy or am I crazy? Even the Cao family of the Northern Wei Dynasty is no match for His Majesty. Who am I?" Outline: In the early stage, the system released a plot where the protagonist, a full-level boss, did the novice mission to create excitement. Through system tasks, a part of the world that is hidden in the dark (a world that is difficult for ordinary people to access) is gradually revealed. In the mid-term, the protagonist gradually uncovers doubts about the world by completing novice tasks, extraordinary power, fantasy strongman? At the same time, the original Three Kingdoms characters have also been strengthened because of the protagonist's system. The mythical version of Guan Yu, Seven Star Zhuge Liang, Ye Huo Zhou Yu... In the later period, the world ascends and competes tit-for-tat with other overlords from different worlds, different dynasties, and different timelines.