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You can catch Dialga, Palkia or Giratina in HeartGold or SoulSilver after getting an event Areceus and going to a place called the Sinjoh Ruins which is a place outside of the Johto region. You can catch Ho-oh, Lugia and Kyogre in HeartGold while SoulSilver gets Lugia, Ho-Oh and Groudon.

If you trade for Groudon then you unlock the special Rayquaza event as long as you have the HeartGold-caught Kyogre and the SoulSilver-caught Groudon together in your party.

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15y ago

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