the secret key is a thing to change the forms of rotom...... they are: fan rotom, wash rotom, heat rotom, mow rotom, and frost rotom. the secret key opens a secret room in enternal city where you can change rotom's forms. The Secret key is avalible only on via Nintendo Wi-Fi Conncetion April 20th Thru May 12th (thats my B-day!, may 12th). it is avalible at Toys R Us Locations in the U.S, Canada, and Puerto Rico.
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The Secret Key that you get in the Pokemon Mansion is used to enter the Cinnabar Gym.
RSA Secret-Key Challenge was created in 1997.
The secret key is in the Pokemon mansion (Cinnabar Island) in the basement.
You can only get the secret key in Pokemon Platinum
give him a secret key the different secret key the different rotom