Honestly, when it's just 2 regions and not even a city, is there really any notion of a 'realm' merger? Coria didn't even have a capital, so IMHO it wasn't even a realm anymore.
In that case, why does the game continue to recognize realms that lose their last city? I'm not talking about the need for manual deletion but shouldn't the game automatically force all regions and nobles of the realm rogue then once they lose their last city because the realm is dead under your interpretation?
Yet, the game continues to recognize the realm as functioning. Militia can still be recruited and armies still utilized. In addition, all RP I have seen indicates that the playerbase believes a realm to still exist so long as it holds regions and nobles both.
