Wipe Out All Humanity

On the first day, the chess piece moves 4 steps. Billions of people were killed, and the earth's population dropped by one-third. On the 50th day, the chess piece moved 5 steps, the last remaining political power of mankind was wiped out, and the world was completely out of order. Day 999, ending, survivor, 1 person... Stars appear in the sky, killing and catastrophizing every step of the way. Can the last survivor return to the starting point and change the desperate future?