Enemy bowmen can sit there and take pot shots at you all day long if you don't manually take control of your troops to fight them off. There are no dialogue options, and most people you meet can't even be spoken to. Also, there is no building involved in RoM2, no establishing and defending a base, and no technology tree. You don't get to strategically decide which types of units to produce, how to deploy them for defense, or how to upgrade them. Another complaint related to this is that there are very few different types of units.
Differences are largely limited to warriors and mages.
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