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The Erin-Dwarf battle is instructive. Regarding Helmar-Jalib, it's necessary to deploy single mage units to remove magic from Helmar. In general, there are few chances if Jalib doesn't just stand there, but instead runs ahead with all his units.
Karli-Iris, as I already mentioned, suffers from an underestimation of Nick's ballista, which decimated his entire army. In general, it's strange (understandable, given the dynamics), with many small mistakes on both sides, such as the infrequent use of stunning at the beginning, incomplete rune sets on the troops, and the knights running across the entire map, away from strong archers, who were then easily killed.
I'll also give it a 2. Many people don't like Shaq, but I do; I don't consider him a stupid hero. I often play him against all the demons and believe he will be stronger. However, it's difficult against Marbas, but strangely, he often kills Nimue.