Humanity must survive. Humanity must prosper. The Terran race, by virtue of its perseverance, drive and strength, is the greatest species to travel the stars, and it is their destiny to thrive and rule over others. The Terran Ascendancy brings the torch of Fallen Terra's benevolence to the benighted stars, and claims all of humanity as its subjects, whether they are willing to bend the knee or not.
The Ascendancy was born out of brutal struggle and hardship in the Sol system after the biosphere of Terra collapsed nearly four millennia ago. Those who survived, on fragile colonies and orbitals, were compelled to create a rigid and authoritarian society as the only alternative to chaos and extinction. From the early council of station commanders came the system of Houses - aristocratic groups who would come to rule over vast fiefdoms, and collectively decide the destiny of humanity and the lesser species in their care.
Discipline and order are prized within the Ascendancy, and the ruling Noble Houses move swiftly to suppress any dissent lest their domain collapse back into the anarchy that led to Terra's fall. Their mighty naval and military forces stand ready to combat any threats to humanity's supremacy, though the Ascendancy's leadership may jostle for power and influence amongst themselves. Those who seek status within the Ascendancy must show evidence of their success as well as deference to authority, all while courting the patronage of the powerful.