A dying miracle, a sacrificed watcher, a shocking conspiracy sweeping the empire and the grassland.
Thousands of years ago, the First Emperor erected the "Wall of the Sky" to attract the dragon energy of the earth and protect China's peace. Thousands of years later, the energy of the barrier weakened inexplicably, and the light flow dimmed like a candle in the wind.
The young watcher Yun Yi, in a desperate situation where his mentor died in battle and the court abandoned him, received an ancient "Heart Key" rune stone and a vague mission: "Find the truth about the 'Gate'." He was forced to step out of the high wall and into the dangerous wilderness, tracking the strange trajectory of energy loss.
However, the truth is far more breathtaking than imagined. The erosion of Xiongnu witchcraft is only superficial. Within the empire, a huge network with the "eye" as its mark has already been spread out. The powerful and powerful colluded with the witchcraft to greedily absorb the vitality of the barrier. And all of this seems to point to an ancient secret buried in the dust of history - about the power of "Heaven's creation", about the taboo behind the "door", and about the barrier itself. Is it a guardian from heaven, or a huge... Seal?
Walking alone in the gap between light and darkness, Yun Yi gradually realized that he was facing not only the survival of the empire, but also the choice of the path of the entire civilization:
Is it to repair the old wall and continue this lingering imprisonment?
Or smash the shackles and welcome the unknown and dangerous evolution?
Or on top of the ruins, find a human... Third way?
