Civilization Invades, I Lead All Mankind to Cultivate Immortality

When the civilization of immortality and science and technology are developed to the extreme, they are both very powerful civilizations. So, compared with the civilization of immortality and science and technology, who is stronger? The time traveler Ying Zeyu accidentally traveled to the parallel world Blue Star and became the master of one star. But the blessing didn't last long. The system came late and brought bad news: The host should be prepared. The alien civilization will arrive on the battlefield in five minutes. Ying Zeyu: "???"