And then there's the Nightmare. In an open field, it can reach the enemy army on its first turn and attack a specific unit. And ideally, it can scare them. By the way, don't forget that the Nightmare significantly lowers the morale of nearby enemies. Imagine, my Nightmare is standing next to an Ent, which has wrapped its branches around it, but the Ent skips two turns. And that's with its already low initiative!.. So Nightmares are forever.
As for the Hydra, it's more like a deck of cards on the battlefield. I don't know, maybe in the late game, when all the strong and weak units have fallen, it can have a decisive impact, but in general, it's better not to reach that stage. No, the Hydra isn't our choice... )
В "Героях" я где-то посередине между дилетантом и любителем.