The idea has been floating around in my brain for quite some time of what if Quinn and my warrior switched places? To be more specific: what if Quinn was the Sith?
And here it is. This doesn't really fit the current prompt... Can there be an ongoing prompt for "backstory"?
Anyway, this is it. SW spoilers, exposition within. Beware, 'tis long!
Note: For the purposes of this bizarre skewed alternate universe, I've made Quinn younger. He's about 25 in the Switchbladeverse (why I call it that, I have no idea.