I Do Scientific Research in the Fantasy World

The protagonist's name is Li Zongheng. He is a designer. He traveled through time and became an immortal cultivator. At the same time, he was bound to a system that required him to create a large number of thermal weapons, from initial spears to fire blunderbuss. Li Zongheng was finally defeated and became a registered disciple of Lingyuan Pavilion. Finally, relying on the powerful firecrackers, he shined in the sect war. At the same time, the system also gave a tutorial on how to make an atomic bomb, requiring Li Zongheng to make an atomic bomb and a laser cannon to win the first place in the sect war.