In the seventeenth year of the Zhenguan era of the Tang dynasty, the realm has only just been pacified, and undercurrents are surging.
Prince Qi, Li You, is incompetent and foolish, trapped in Licheng and besieged by powerful ministers, with his life hanging by a thread.
At this critical moment, the soul of a modern special forces soldier arrives, unexpectedly gaining a golden finger.
He can summon modern weapons and supplies, with handguns, AK-47s, and bulletproof vests arriving in endless supply.
One man and one gun break through a besieged city; a hundred local volunteers become the battle-hardened Black Tortoise Guard.
While others rely on aristocratic clans and their schemes, he uses thermal imaging and night-vision gear to launch surprise attacks.
From a disgraced prince scorned by all to a killing god who strikes fear into the court.
With the System in hand, he will crush the plots in Chang'an and rewrite the fate of the Tang dynasty.
In this life, he will take the throne at gunpoint. Who dares stand against him?