He Who Rose Against All

Jareth Zane unexpectedly time-travels and becomes the live-in son-in-law of the Lacy family. After being humiliated and set up by Draven Wycliffe, he uses the knowledge from the future to develop a purple dye that saves the Lacy family from a crisis. With his great talent, he invents gunpowder and designs various types of firearms and cannons, successfully defusing many conflicts between Xevoria and Bryndor.