Yeah, Aragorn's family history is not ... the most cheerful. But that sounds really cool! You should pursue it, though it does seem to be a lot of effort for a one-off challenge fic...

Tbh, I was thinking of writing the 'Maglor as regent' and "Clash of Kings' prompts together as if they were an episode of the HBO tv show. Though how I would fit the concept sexposition into it remains to be seen. Maybe it's better if the number doesn't get called.