I Help the Empress Secure the Throne

Amunition engineering graduate Li Tianle transmigrates into a fake eunuch in the Great Xia Dynasty. Facing severe internal strife and external threats, Li Tianle gets entangled in the conspiracy of the traitor Zhang Zhihu and is forced to duel martial artists from the Beiming Kingdom. Decisively applying his knowledge of ammunition, he manufactures firearms and other new weapons, saving not only himself but also the Great Xia Dynasty. Relying on his wisdom and courage, Li Tianle quells the rebellion in Great Xia, saves the Empress's life, and eventually stands alongside her at the pinnacle of the court to guide the nation!