Survival of All People in Another World

Background: People from all over the world have traveled to another world to survive. The protagonist has obtained an ever-changing amplification system. Any material obtained can be multiplied hundreds of times. There are indigenous people in the other world. The system sets that any resources obtained or snatched can be multiplied by a hundred times, but purchased resources cannot be increased. Recruited soldiers can be multiplied by a hundred times. The protagonist's personality is slightly more abnormal than normal people Maybe the plot develops steadily in the early stage, violent fights in the middle stage, and expands the power in the later stage.