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In general, after reading this and the AG forum about the Academy, I realized that the Academy cannot withstand Knights and Dwarves after 6 months of gameplay... (forget about the Darkness, removing enchantments sets the hero back by 0.5+empathy, and it's easier for Knights and Dwarves to get it), melee units rule over time, while mages only get weaker (meat grows every week, but the mage's strength stops growing over time).