I don't get why Vix/Perdan would be an old alliance. Besides, Perdan is not in this to split up the "Northern alliance". It's in this to split up Sirion itself.
And for what it's worth, Nivemus declared war on Perdan (I guess to make it a 2v2 war?).
It's funny, because Vix made it clear they would strike at Nivemus through Epponlyn, while Perdan never claimed such. Yet Vix and Nivemus remain neutral, while Perdan and Nivemus are at war...
