Technology Fairy

When Xu Lin traveled to a world of immortals, he found that the immortals here were weak, so he created thermal weapons... He found that the world was still very backward, so he launched the industrial revolution... Since he has both money and weapons, the emperor will take turns coming to my house this year... Overall, this is a story of world domination through thermal weapons and technological industrial production. ********************************************************************************************* PS: The farming novel is a group version of the book and a group version of the plot. The whole process is fun, the logic is absolutely rigorous, and there will never be any forced explanations or pretentiousness.