princes, the crown prince and the eight princes are all deep-minded people who can achieve great things, but their only son is like this.Zhao Xuanji, who became more and more angry, said coldly, "go...he power of a bow and arrow by firing a projectile with gunpowder as a fuze."said, he took a stick out of the toolbox that he had specially brought after being summoned by his Highness.Li Chen was ple...