An Action Replay is needed for Arceus to activate its event and you can capture a Sableye on Iron Island with Pokemon Sapphire inserted in the GBA slot.
you have to hack it.Arceus is a 4th generation pokemon, it can only be caught in diamond pearl or platinum.
Pokemon Diamond, Pearl, and Platinum have Arceus.
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Arceus
I think arceus is the the strongest Pokemon in diamond and pearl. Also no moves are supereffective on Spiritomb and arceus
arceus
you get arceus at spear piller
Arceus is not possible to find in Pokemon Ruby. It was released in 2007 with Pokemon Diamond and Pearl
Ds action replay.
arceus i believe
After you have caught your palkia at spare pillar you start to look through the grass for quite a long time. After you have looked then you will get your legendary Arceus
70 or 80