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You need harpies and griffins... You can take down everyone with them, plus chaos magic. Use invisibility on the griffins and attack with magic; use harpies to eliminate slow neutral creatures – they have retaliation. At the beginning of the game, build archers (and upgrade them) and harpies (and upgrade them) first. Then, focus on gathering resources and building your castle (by week 2, your castle and capitol should be at 100%). Good luck!