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Honestly, what's the point of arguing?
We all have our own ideas on how to improve our favorite hobby.
I wouldn't mind the following:
For the Orcs:
1. Remove the word "mana" from the Orc Hero's vocabulary and replace it with "Rage" (= knowledge * coefficient). Otherwise, ordinary orcs have it, but the hero doesn't. What kind of orc is he then? The hero's Rage affects his direct weapon attack and his warcries. It only appears in battle.
2. Common spells on the map for the Orc Hero are activated by sacrifice: kill your own goblin - get a ship, and so on.
3. Remove the word "mana" from the Shamans and give them the ability to cast spells using Rage. The angrier they are, the stronger they become.
For everyone:
1. Having 2 development paths might be good, but 3 sequential paths would be better.
2. The Hero can lead more troops than they can deploy in battle, with 2-4 reserve slots. This would expand the ability to select troops for a specific battle.
3. Hero duels: if you don't want to lose troops, fight yourself. If you lose, the result is the same. I don't think it's right to send the Hero into battle with the troops; let them duel with equal opponents. You can challenge them to a duel before the battle, and you can refuse or during the battle (for example, if the Hero has made 5 or more direct attacks on enemy units, they can declare a duel, and you cannot refuse; if they've appeared on the battlefield, they can meet the enemy).
4. Archers should always be able to choose whether to attack with arrows or in melee. It's strange that there's no penalty in melee, but they still shoot until they get close or run out of arrows. Maybe it's better to use a sword right away.
But these are just ideas, dreams...