Catastrophe of the Galaxy

In AD 6374, humans have spread throughout the solar system and even the Milky Way. But no matter how technology develops, it cannot break through the boundaries of the Milky Way. Scientists suspect that there is an "eternal isolation zone" between the Milky Way and other galaxies, which is like an ocean between two continents that separates the two universes. They call this behavior the cosmic cage phenomenon. It is said that the Milky Way is a cage created by the gods to trap us. Until that day, all the stars in the Milky Way exploded. Under the super-energy radiation, it was a disaster in the universe. Some human beings survived through mutation and were able to survive in the universe without the oxygen mask. When they went to the star ruins to find the cause, they saw huge stone monuments. The huge energy emitted by the stone tablet "annihilated" the eternal isolation zone and connected it to other galaxies. This day was called the end of the Galaxy by the future Galactic Alliance. Outside invasion.