I think it is going to be a Mew.
in 2010
In Japan in December 2010
There is no information available on Nintendo holding another Secret Key event in the future.
Wherever Nintendo is at for said event
a Nintendo event is a real life event that you go to get a item for a game
So far, there is no Nintendo event to get Arceus for your DS or DSi.
The time and location of Nintendo events will be announced by Nintendo.
its from a Nintendo event not a mystery gift and you get it from a event hosted by Nintendo
Giratina Palkia Dialga Mesprit Azelf Uxie Cressillia Darkrai(Nintendo Event) Manaphy(Download from Pokemon ranger) Phione(Breed Manaphy) Regice(Nintendo Event) Regirock(Nintendo Event) Registeel(Nintendo Event) Regigigas(Take the Regi-trio to Snowpoint Temple) Arceus(Nintendo Event)
At a Nintendo event. but the event has aready happened sry.
it depends on what event you are looking for.YOU CAN GO TO A NINTENDO EVENT FOR ANY EVENT darkrai,shaymin and arceus can be gotten via Nintendo event
You must get them at a Nintendo Event. You must get them at a Nintendo Event.