From the Start, I Found a God-Tier Civilization and Unified the Universe

[Technology + Interstellar + Tech Tree] In 2040, the peace on Earth was shattered by the iron hooves of an alien civilization. They invaded Earth with blinding speed and without warning, launching a devastating war. The United Nations responded swiftly, issuing an unprecedented S-level alert. The whole world prepared for battle, and the defense of Earth began. “What, aliens are attacking? Don’t worry, let’s watch the show first. The American Empire has been turned into a wasteland? Don’t worry, let’s keep watching. The whole island of Japan sank? Don’t worry, let’s keep watching.” “Oh no, the aliens are coming to China!” Li Xuan shouted, “A mere Level Three civilization dares to make trouble in China? Bring out my fleet and show these clowns what a damn surprise looks like!”