Star Sea Sword

The earth is mutating, aliens are coming to the world, ancient warriors are rising, and demons are dancing wildly! He accidentally awakened the Sword God system and broke out of the wasteland, trying to find out the truth about the changes in the world! Let's see how he kills aliens, slays demons, destroys corruption, conquers the sea of ​​stars, and freezes fourteen states with one sword! It takes ten years to sharpen a sword, and one sword roars into the sea of ​​stars!