Hunted Becomes Hunter

You don’t know what the they are or where they came from. All you know is that they are so good at hunting humans that the human population is reduced to four or five digits. You are in the wilderness with a pocket of survivors, small enough to know everyone’s names but quite possibly the largest remnant of humanity left on Earth. Humanity has done nothing but lose. All this time, though, you’ve worked on a special device. You have just now completed it. Your creation might not just be humanity’s first advantage but could turn humanity’s tides in this extermination altogether. However,