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I think everyone here has forgotten one important detail... Soldier's Luck! With this skill, archers push the enemy back on the initiative scale more often. Plus, there's a second point – the enemy. If the enemy is a Warrior, then it's often more important to prevent the enemy stack from taking its turn on time than to deal more damage. This is especially true if your hero also has a spell that pushes enemies back. Then you get a powerful combination: first, the archers push them back on the initiative scale, and then the hero does. For example, I only play as Dyraell, and her Wasp Swarm with the push-back ability often helps avoid damage, and combined with archers and unicorns, it's a great combination!
After all, the Elves' strength lies in initiative, not damage. This is their main advantage. The hero's attack doesn't increase as quickly as it does for Demons, and not even as quickly as it does for Humans. Elves may be weaker in attack power, but they will never be outmatched in speed. I think we should use this to the maximum and simply prevent the enemy from moving. Just think about it. We attack the Humans: they have good defense and attack. But if we focus on speed and push-back, rather than damage, they will have a hard time, even with a crowd of Paladins. Unicorns and archers push them back, and so does the hero. We cast Wasp Swarm, choose Griffins, Archers, and Paladins as sworn enemies, and simply prevent them from moving properly. After all, peasants, swordsmen, and monks are not dangerous; they are essentially cannon fodder. And there is another stack capable of paralyzing the enemy's forces – Ents. Their function is not to deal damage, but simply to hold them in place with roots so that the unit cannot move. So, the Elves have three stacks that can hold the enemy. This is the Elves' strength, and this is the most effective use of initiative, which can be further enhanced by mass acceleration in the attack branch, empathy, and sharp mind. And we will still deal a lot of damage, especially if we manage to choose sworn enemies.
Conclusion: archers are effective against Warriors.