Alien Invasion, I Build a Prehistoric Technology Plan!

Five years later, alien invasion? ! Xu Chen lets all mankind know what mythical technology is! Prehistoric Technology Plan-Officially launched! The Tongtian aircraft carrier platform extends infinitely, and the Star Destroyer Cannon and Orbital Electromagnetic Gun on it are activating the Immortal Killing Sword Formation! The Jiuyao Xingjun mecha, the Twenty-Eight Star mecha, the thirty-six Tiangang mecha, and the seventy-two Earthly Evil mecha are slowly forming the Ten Thousand Immortal Formation under the calculations of the Nuwa system! Twelve interstellar carriers, codenamed Twelve Golden Immortals, are slowly taking off! Lingshan Bunker activates absolute defense! Yuanshi Nuclear Energy continuously outputs huge power and stabilizes the energy of major mecha battleships! … This moment. Only then did the alien technology realize that they were nothing in front of this mythical technology! ! ! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.