Apocalypse: You Upgraded Trash to Divine Weapon?

"His name is Lin Yue, he must have treasures on him, officer, search him!" They thought I was a lamb to the slaughter, but they didn't know I had bound the [Doomsday Survival System]. Killing monsters makes me infinitely stronger! Killing ordinary infected gives me full energy points! Unlock [Blueprint Manufacturing], turning scrap into steel bars, dead wood into divine crossbows! When thugs pointed crude machetes at me, I wielded a forged quenched steel nail mace, smashing the monster in front of me into a mushy watermelon! When they were besieged by hundreds of zombies waiting to die, I had already set up a timed killing trap of "burning the camp," turning the entire sea of fire into a feast of harvesting energy points! "Please, Lin Yue, take me with you, we're classmates!" The former betrayer wailed in despair amidst the flames. I turned away coldly. In this world where human life is as cheap as grass, those who follow me prosper, those who oppose me perish! — Description from novelcodex.org