I'm still kicking ideas around. If we go rules light or freeform, you don't really need to worry about charms, stats and experience. You just saw that you're one of the Roseblacks officers, or a high ranking Gens from Lookshy, and command 500 crack troops, and a fang of warstriders.
Or you're a Lunar, running a small tribal coalition of your own.
Or a solar freedom fighter, operating out of Nexus.
Perhaps even a ronin Abyssal, trying to regain his soul, or a Sidereal trying to find what is causing these strange ripples in the Loom.
I'd like to start things with a degree of power, and over the space of a while (variable time .. years maybe?) move things to a grand scale. Huge armies clashing, the handfull of Lookshys surviving First age airships raining down destruction on demonic hordes, while a desperate alliance of solars, lunars and a handfull of others make a commando raid on the Blessed Isle to take control of the realm defense grid to blast the demons back where they came from.
You know ...