Fiction:Urbinator empire

the urbinators are species who started a civilization at the selten galaxy, 29 years later they started making spaceships but some of their important ships couldn't make it out of the planet atmosphere so they decided to try to build better technology, 2 years later the urbinators have made an super strong ship who has the enough power and shield to quit from the atmosphere of their planet, and successes! the ship got out of the planet atmosphere and then they decided to make more ships like the one that has landed on their moon, 2 years later the urbinators have developed space portals so they can conquer other planets of empires and discover some anomalies on nearby planets. the urbinators are mostly killing other empires/species for their entertainment because of violent behavior, but they do it in a lawful way to not get attention of more species/empires nearby.