Age of Empires: Brother, You Are Too Small

<This is not a hard science fiction novel, but it leans toward fantasy. I can't bear to be more realistic, so please don't enter if you mind> <Mecha + Super Power + Force Conquest + Universe Expansion> In the interstellar age, spiritual energy has revived. All races have entered the age of cultivation from the technological age. In order to obtain resources and survival, they have strived for strength. After all races have competed for hegemony, the dark age, and the Star Alliance era, all races have gradually abandoned their racial differences. The Star Alliance has disintegrated, and the chaotic empire era has come. Countries are fighting against each other, and all living things are like grass. There are powerful enemies outside, and the future of the universe has begun to become dim...