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Centaur, of course, I understand your opinion, but it's too early to give a 100% certainty. Looking at the game itself and the developers' approach, we can conclude: N - (Will not be), B - (Will be).
Units from the third game:
Goblins - N 10% B 90%. This is a classic. They also fit into the history of Ashan. But a possible change of culture from Arabic to Ancient Egyptian (looking at the academy's symbol) could change everything.
Gargoyles - N 65% B 35%. This is already excess baggage. They didn't fit into the culture of the Arabs either.
Golems - N 50% B 50%. Quite possible, but there is no factual evidence to confirm or deny it.
Mages - N 70% B 30%. The developers' approach doesn't allow them to be part of the faction. Firstly, mana and spells have been taken away from creatures, and the "helper" qualification (spirits, vestals, dream walkers, etc.) can be taken by Djinns or some "new, unknown entity."
Djinns - N 5% B 95%. A classic, and they've already found a role (see above).
Nagas - N 99.9% B 0.1%. I think everyone understands why.
Titans - N 20% B 80%. Well, who else should be at the top?
Units from the fifth game: Only Nagas have been replaced.
Rashakassi - N 50% B 50%. Who knows...
And the tactic is as follows:
2 ranged units (in extreme cases, one), (the top unit doesn't count), one of them must always shoot directly and without penalties.
One helper (something like a mage-healer, blesser, or curser).
2 or 3 melee units.
For now, our helper is a Djinn.
One of the ranged units is a Goblin, but not one that shoots a direct arrow.
That's all for now. We're thinking, people are thinking. P.S. I almost don't know the mythology of the Egyptians.