Nine Swords Battle the Firmament

A world war erupted on Earth. After the nuclear war, the surviving humans were invaded by alien creatures. Struggling to survive, humanity banded together to fight back. A group of young men and women returned to Earth from the Myriad Worlds, making its defense their mission. They joined forces to battle the aliens, vowing to drive them off Earth and give humanity a safe haven to live in. After wiping out every alien on Earth and driving them away, the young men and women quietly departed, setting off on a journey through the Myriad Worlds and the outer star domains to achieve new glory! At last, they entered the Chaos Realm and the Eternal Divine Realm, where they stirred up a storm and stood at the pinnacle of the martial path!