Chang’an Guest: I Came to the Tang Dynasty from the Future

The protagonist, Lin Yan, is a top modern artifact restorer and a science-and-engineering prodigy. After touching a Tang dynasty brick that serves as a space-time anchor, he transmigrates to Chang'an at the height of the Tang dynasty on a stormy night. He comes equipped with the golden finger of "artifact analysis + a modern science and engineering knowledge base." From a helpless "outsider," he relies on technological superiority and face-slapping with his intelligence to level up through battles and become a legendary top-tier star of the Tang dynasty.