It must be the "12 Movie Event Arceus"
You cannot catch Arceus in Pokemon Soulsilver nor Heartgold, You must either transfer a Arceus from D/P/Ptt or Receive one through the Arceus Event.
You can't catch Arceus in Pokemon soul silver. You must trade it from another game.
It doesn't appear wild, so you must trade it.
Arceus is not legitimately obtainable in SoulSilver. You must trade it from Pokémon Diamond, Pearl, or Platinum, in which it is an event Pokémon also not obtainable through regular gameplay.
you must get arceus at lv 80 + and go in rains of alph in the house.after you must select palkia dialga and geradina at lv.1
You can't. You must trade Kyogre over from Heartgold.
Lugia Ho-oh Latios Raikou Entei Suicune Articuno Zapdos Moltres Groudon Rayquaza (must trade for Kyogre) Dialga/Palkia/Giratina (must trade for Arceus) Mewtwo
First you must have the azure flute. Then you must go to spear pillar and Arceus will appear. Catch it will a Dark Ball and it will mutate into Dark Arceus.
No, You must be a newbie Trainer the legendary Pokemon you can find in this game are, Articuno,Moltres, Zapdos, Mewtwo, Girtiana,Dialga,Palkia(only if the event Arceus Was obtained), Suicune, Entei, Raikou, Latias(heartgold), Latios(soulsilver), Ho-Oh, And Lugia
You cannot catch Arceus in Black or White. Arceus was an Event-only Pokemon from the 4th generation and must be transferred over.
The Azure Flute is an event item used to obtain Arceus. In Diamond, you must go to the Spear Pillar (where you battled Dialga) and use the Azure Flute. A stairway will appear- climb the stairs to battle Arceus.
Arceus cannot be legitimately obtained in SoulSilver or HeartGold; it must be traded. As for how to obtain it in Diamond, Pearl, or Platinum, it's only available in an event or by cheating.