There's Billions of Things Wrong with This World

Interstellar commander Lin Feng was reborn in the martial arts world and discovered that the "Qi" here was actually ancient interstellar energy. While the martial arts heroes were still competing for their internal strength, he was already assembling mechas in the underground base. Faced with the siege of the Grandmaster, he pressed the button in his sleeve: "Sorry, your Qinggong is not faster than my plasma thruster." From a boy in the woodshed to the master of the mecha world, he wants to use steel to rewrite the rules of this era.