em was that because he knew these things so well, it made it even harder to find a solution."Actually..."Su ZhenTing suddenly said: "The imperial court is not without a way to control the Moonlit Pass...costs around two hundred taels of silver.A single blast of the cannon brings a fortune in gold.What's most absurd is that the only artisan capable of crafting it in all of Qin now is Song Yingxing. Al...