Arceus Do not have a rival yet But It should have One and It Should be A Powerful Legendary Pokemon. (^_^)
The rival's starter gets up to level 85
There is not an arceus trophy, and arceus was created after brawl, so arceus is not in brawl
Arceus has no gender.
arceus
Arceus.
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Arceus.
arceus
ARCEUS
Arceus is not avabile. Right now, hack or use cheats to get Arceus.
Arceus has never been distributed as an egg. If you are referring to the egg from the HeartGold/SoulSilver Arceus event, it hatches automatically.
arceus is the alpha Pokemon