The World of Immortality Is Open to the Modern World, and the Country Allows Me to Become an Immortal First

Chinese youth Chen Xuan travels to another world, his spiritual roots are destroyed, and his life hangs by a thread. The spiritual energy of this world is revived, thousands of races are vying for hegemony, and the human race is barely surviving. When he was dying, he activated the "Return to the Ruins System": hand over the secret skills and exchange them for technological crystals! Anti-gravity engines, quantum spirit armor, and interstellar battleships are all owned by the state! The Special Investigation Bureau arrives, the Dengxian Institute of Science and Technology is established, and the era of universal cultivation of immortality begins! During the Qi refining stage, you can pilot a fighter plane, and during the Nascent Soul stage, you can control a starship. Mortals can also fly in the air! Others have been practicing hard for thousands of years, but he has become stronger by relying on his superiors, and the whole country has taken care of him! When all the races in the world invade, the earth's civilization sweeps across the universe with the combined combat power of "immortal cultivation + industry"! Turn in and you will become stronger. One person becoming a god is not considered strong, but the whole country ascending is the way to go!