Pantheon of Heroes
Empire that ran the towns and cities of the world, warriors and powerful people. Invaded Alleria 300 years ago, recently recalled all soldiers and ships from Alleria 20-30 years ago.
They have vaguely Asian features and names.
Ex Ameiko Kaijutsu, Lonquo Kaijutsu, Xiao Wei, Pai Mei
Technology similar to pre Meiji era Japan