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A mage can defeat a druid if they have enough mana to counter the druid's summoned creatures and use them against the druid himself. Also, the druid can win by, for example, casting antimagic (immunity to magic) on their summoned creatures (let's say, a mantis). The mage won't be able to keep him at a safe distance, and the druid can create more of these creatures without worrying about them, knowing that the enemy mage won't cast spells on them. And stealing spells doesn't have any effect against antimagic. In this case, the mage has to rely on their combat skills and melee attacks, at least as much as on the amount of mana the enemy druid has. And this doesn't mean that the druid is stronger than the mage. Everything depends not so much on luck or the morale of the heroes and creatures. Of course, this also plays an important role. But everything depends on the player himself, how they will act, what spells they will cast, and what creatures they will summon. In a battle against a druid, you should always expect the worst. This means not defeat, but the difficulty of winning. It's difficult to defeat a druid, and I won't argue with that. It's also not easy to defeat a sorcerer, necromancer, or priest. In general, at first glance, life magic, like the Life race itself, may seem to be the weakest. But this is far from the truth. When I got Heroes 4, I only played as Life for the first time a year later. And I realized that I should have started playing as them earlier. In skilled hands, life magic becomes a very powerful weapon for destroying the enemy and improving your own army.