How do you challenge the frontier brains?
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By beating the facility a certain amount of times. Soon the Brain will come looking for you, and battle you.
Beat the elite four, then go to the battle frontier. After beating a certain Battle Facility enough times, the factory brain will challenge you.
Beat the specific # to face the brains. For example: The battle Pike you beat it once and, at the 13th room of the second time you fight Lucy.
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