The rag picking sister turned out to be a weapon refiner

Hu Xingtong, an ordinary mechanical designer, can design mechanical blueprints, write programs, and, of course, play games and build bricks. However, an accident lands her in the open-world mobile game she's playing. "Hello, I'm your Life System No. 1016. Please advise me." "Are you technology from the future or something?" "I'm a life form that transcends your world." ... "Sister, it's just a broken stone. You're not going to carry it back to the sect, are you?" "Bullshit! A stone can be made into many things with a hammer. You're so ignorant!" "Junior Sister, have you got any recent...