An empire with 17 universes,700 years more advanced than earth,weakest ship can withstand 50 megatons of tnt,strongest is made of nuclear pasta and shoots constract of pure dead stars,they assimilate people culturally,purge,and genocide,they move people to different cities every week,population 75 trillion,army of 60 billion,biggest ship size of jupiter is strongest,and destroys a universe in 5 minutes easily,unstable at home universe.people are grey and immune to metal,have guns that evaporate