Wherever Nintendo is at for said event
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
At a Nintendo event. but the event has aready happened sry.
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)
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.
Wifi
At a Nintendo event.
Search on the internet for the location then you can walk, drive, ride some sort of vehicle to the Nintendo event
go to a Nintendo event