l of these gunpowder, without exception, are the least efficient black powder.Poor stability, low explosive efficiency, small blast radius, the only advantage is that it's relatively easy to manufactu...appearance.But Yelü Shenxuan made it clear that he appeared for only one person: Dantai Jingzhi.Yelü Shenxuan smiled and said, "I see that the Qi Dynasty is declining, its fate waning like a river dry...