eal, the courtyard arranged by the Jinyiwei was also ready. Li Chen brought Su Jinpa to this courtyard located within Tongzhou City. The environment and location were considered good. They began to e...se of gunpowder in an explosion on the battlefield was a groundbreaking first.The Emperor of Heaven was stunned, his entourage was dumbfounded, and even the guards stationed far away were flabbergaste...