The Armenian 2nd and 3rd UHV are about the same. The almost automatically loose if someone else founds christianity. The AI automatically adopt it as its new state religion. You can only win it if: The founders is independent or you found it yourself or the civ that discovers it already has a religion discovered. Practically, the second option will be the only way to win it. And then it isn't hard to control the Shrine. Just pop a Great Prophet and you're done.