In the vast universe, there are countless intelligent civilizations. Magic, technology, psionics, cultivation, genetics............ Every civilization has its own way of using energy, and Lin Yang, who was born on Earth, is a level twenty-nine mechanic. At the critical moment of advancing to [Immortal], he was besieged by the enemy and ultimately fell short. Luckily, he was reborn and traveled back to his home planet, Earth, more than 600 years ago. Everything starts from scratch, and this time, he will experience the rise of the Galactic Federation firsthand! ———————— "The weak memory metal shell can't withstand the punch of the Martial Saint's two thousand years ......of kung fu at all" "The neutron light spear on the battleship is far less sharp than the Dao technique of Da Luo Jinxian............" "The Billions of Wisdom Legion is just a forbidden spell for the Chaos Magister............" "In this life, I said that I would never be a mechanic again!" Lin Yang, who was heartbroken, said, but thinking about the mechanic's special system in his mind, he finally chose Zhenxiang.