Hoard Tens of Billions of Dollars to Create a Steel Torrent

The apocalypse is coming, and my girlfriend's family brutally murders me! Reborn half a year ago, I, Su Jin, awakened the technology system and time and space powers! [Technological transformation platform, level 1 civilization product] [Singularity ray satellite, product of level 2 civilization] ["Luanniao" space carrier, product of level 2 civilization] At the beginning, he kills his vicious girlfriend and kills the vampire family in anger! The female boss knelt down and begged for mercy? Sorry, I am the master of the end of the world now! Stockpile supplies, build the strongest safe house, establish a steel legion, and vow to uncover the shocking conspiracy behind the apocalypse! In this life, I will make everyone who betrayed me pay the price, and I will become the strongest king in the last days!