must be isengard or mordor when playing in against someone distract them so send a small but a lot of health units like a seige weapon or mumakil then while the opponets being distracted get a ladder/seige tower up to the wall away from the gate and get all of your ifantry or non-mounted archers on the wall and wreak havoc you may do this vice-versa if you want to break through their gate.
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