If you ask me, I would dare to venture that it might be said of Aisling Duval that she is part of the, ahem, "indolent majority" - she only wants to hold on to what she perceives as already being hers. But she has the right name. I call practical arrangement. Aisling is desperate enough to go for it. Arissa has the right blood but has a better hand than Aisling and knows she can rule alone, so she won't play dice on the whole "political union" thing. That said I wouldn't be surprised if Arissa set this whole thing up for others to take the fall. Arissa's a smart one, I'm pretty sure she could come up with such a scheme. Patreus would be foolish in the extreme to attempt an assassination of the Emperor - his standing would be ruined, and why bother when the old man is clearly on his last legs anyway? Besides which, Patreus is still gearing up - Eotienses isn't a High Tech world yet, it can't start pumping out the war machinery just yet, and as Powerplay is not yet live he has yet to recruit a force (of commanders at any rate) - he doesn't stand to gain from taking the Emperor out early. Not that Arissa wants to bump off her dad; but she's sharp and it would be great for her if she could set up her rivals for the ultimate fall. It's an interesting theory, at any rate.