Metal Space

Returned from the infinite world, armed with magnetic field control, metal powers, and space powers, he became the strongest being in the city. "Magnetic field control" allows him to escape the constraints of gravity, and can also shield various electronic signal sources to prevent others from prying. The "metal power" controls all metal elements in the world. He can easily create super alloys that cannot be created by modern technology. The "space power" allows him to have an infinitely upgradeable and unpredictable mysterious space. He can not only store items but also teleport, and even travel to other planets. Is there no black technology in this world? Then let me invent it! There is no League of Legends game? Let me create it! If there are no songs or movies, please let me play them slowly! This is a story in which the protagonist returns from an infinite world with awesome superpowers and black technology, and is invincible against the loneliness of the city.