
I've tried several games with the higher/highest difficulty settings and have noticed that someone always ends up taking over most of Europe after starting out in Central/Eastern Europe. In this game it was the Magyars, but 3 out of 5 games it was slavic religion Poland. I think the problem stems from some money snowball, as I guess the AI gets massive income boosts from the difficulty settings in addition to more stability. At one point this Carpathia had more than 10000 gold and had hired basically every merc company available. They just ran over everyone else around them in an endless swarm of mercenaries. And because they had hired every company available, even if the AIs they were fighting had money, there was no one left to hire to try and stem the tide. The income modifiers from difficulty probably need to be toned down a bit to prevent this mass mercenary spam from happening.
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