I Took Technology with Me into the Wilderness

It tells about a technological civilization. Together with another technological civilization, the technological star field perished. There is only one person left, and he is flying in the universe in a spaceship. One day his spaceship was suddenly hit by something. Crashing into the ground as he emerged from the ship. The man who saw the sword flying. Suspicious life. As the last spark of technological civilization, he has all the technologies of this technological civilization. After some inquiries, I learned that I had fallen into the primitive world, and I had found peace as soon as I came. After a shocking story, I defeated the Taoist ancestor and escaped from the primitive world.