You unlock a place where Rotom can change its forms.
if you get rotom you can change its forms look on serebii.net
No you have to get it again.
It's an event-only item.
It changes Rotom's forms, but it only is in Platinum.
To get the secret key, you can go to nintedo wifi and mystery gift there
The Secret Key in Pokemon Red unlocks the door of the Cinnabar Gym. The Secret Key can be found in the basement of Pokemon Mansion.
You can only get the secret key in Pokemon Platinum
you need wifi do get it!
well you need the secret key for team galactics HQ
Already happening............
No, you can't mix records in Pokémon Platinum in order to get the Secret Key from a friend.
You can't get the Secret Key in Pokemon Platinum without Action Replay, unfortunately. You can get Action Replay from most major websites.
stop being a Pokemon playin douche
obtian the mystory event
The Old Cheatu.
give him a secret key the different secret key the different rotom
No you have to get it again.
check serebii.net for info on upcoming events for Pokemon Diamond,Pearl,Platinum.