Sky Rail Key

1,000 Years ago, mankind united all the forces that could be united. To fight against the twisted monsters emerging from unknown space. Human cohesion reached its peak in that century. Countless human beings followed one after another. This war lasted for centuries, and achieved a staged victory when only 1% of the human population remained. The space passage was temporarily sealed, and mankind ushered in centuries of peace and tranquility. Declaration of the Human Federation: "Folks, human evolution has taken millions of years. We never stop. We are noble and unyielding. We will never compromise, and victory will eventually belong to mankind. Fear is the instinct of life, courage is the hymn of human beings! Let us fight for ourselves and for future generations. Fight for humanity. Long live the Human Federation! Long live humanity! ! " The response was overwhelming... After that, there was peace for more than 600 years. For human beings to thrive and recharge their batteries...