Let me recommend a few novels from another world that meet your requirements: 1. In Counter Strike in the Other World, the protagonist brought the hot weapons in the CSOL system to the other world in the cold weapon era, fighting against the cultivation civilization and defeating the mages with modern weapons. 2. " Crossing Two Worlds: The Items I Carry Can Become Stronger ". The protagonist, Lu Nan, obtained a martial arts world. In this world, he could bring modern weapons, and it was not a problem for him to hold an AK for self-defense. He easily dealt with the mages. 3. The protagonist of " Modern Weapons of Time Travel " could build a safe house to deal with natural disasters, and could also create weapons to deal with wild beasts. Who could compete with modern weapons in the cultivation world? I hope you like the above recommendations. If you have any other requests or want to know more about the recommended books, please let me know.