be in charge of developing even more powerful gunpowder."The use of gunpowder in the Qin Empire is already widespread now. From large red-clad cannons to small fireworks for the common folk, it's no...spleasure at Cai He's taking initiative without permission. However, seeing Li Chen present, he held back his anger.Then Cai He continued, “I am the daughter of a merchant from Jiangnan. Five years ag...