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Having used the link to the review of the third part, I also watched the review of the second, because the link you provided to it doesn't work. First, I'll go over the Second Part.
The first thing that catches the eye is that the description of the campaigns doesn't mention the almost unique ability to switch sides at a certain point. Yes, it mentions plot branches, but it's usually like this: you go with the dwarves or you go with the elves, but in Heroes 2, fighting for Roland, you can switch to Archibald's side and vice versa. This is cool, and I haven't seen anything like it in the series since.
Second, the music. "Opera performances have appeared, but who needs them?" Considering that the music in Heroes 2 is considered almost genius and one of the best soundtracks for games. Maybe you didn't like it, but the review should be objective.
Third, I don't remember exactly whether it appeared in the first or second part, but it seems to be in the second. So, the review doesn't mention the ability to collect puzzle maps and dig.
Overall, it's not bad, but the same complaints apply: it's too short and rushed.
Now, the Third Part.
I'll start with a complaint: "the city can bring us up to 10,000 per day." Which city? With the dwarves' treasury and already a lot of money in the treasury? In fact, the income from the Capitol is 4,000.
It is mentioned that there are obelisks in this part, but it is said in a rushed manner. "Obelisks show the location of the legendary Grail." It creates the impression that if you find one obelisk, you'll immediately find the Grail, with no mention that you need to collect the map.
"Artifact sets – by collecting the necessary artifacts, you will receive a bonus for the set, in addition to their bonuses." Not just artifact sets, but powerful artifacts that are assembled from other artifacts. You don't just have a green set, like in Diablo; you have the Lich King's Cloak, the Alliance of Angels, an artifact, not a set, not just a set.
The general comment is the same. Good gameplay, graphics, sound, etc. Here is your review. Write it in more detail.
Separately, I'll note that you mentioned the graphics in both parts (2 and 3) very briefly – it's an understatement to say that you mentioned it briefly. "The images of the characters finally look as they should for warriors, all of them." First, warriors. Second, everyone was impressed with the creatures, and the cities, and the overall art style in both the second and third parts. The picture was simply wonderful in both parts. And your statement is equivalent to the phrase "there are graphics, soldiers are drawn." What is this minimalism? No, you suffer from minimalism, but in the third part, you wrote about the music, even if briefly, in a way that shows it's good. But here – it's a blank space.