[Yossar]

Look at the graphs. Ermor is #1 in provinces, forts (by a huge margin), gem income, army size, and victory points, and 2nd in research and dominion. At this point Ermor isn't going to be beaten without multiple people attacking him. It's not unfair, unexpected, or illogical that an Ermor dogpile happens when Ermor is so far in the lead. I don't know how you could have avoided it, but it isn't unheard of for Ermor to make some friends of his own. Maybe he'd have to bribe them, but a bribed ally is better than no ally. I won my Last game by allying with Ermor, persuading everyone else to focus on him, and then picking off people when they were only thinking of Ermor. Ermor and I ended up as the two strongest nations, but I managed to amass a bit more power than he did before the final showdown.