Apocalypse: I Can Upgrade My Shelter

Global cataclysms strike: creatures from other worlds invade, devastating heavenly tribulations scour the earth, and all kinds of viruses run rampant. Alien races launch attacks, too, as one apocalyptic disaster after another descends. Zhao Jing is reborn with a Fortress System. With only one week, how can he build a super shelter of his own? From caveman to planetary lord, watch as he turns the tide and conquers the vast sea of stars.