Mt.Cornet
you dont
you dont. you trade it from platinum , diamond or pearl
Palkia holds the Lustrous orb, use the move 'Theif' in battle, or catch Palkia and retreive it.
I think you get it on the Pokemon Soul Silver but I only have Heart Gold version and nearly finished it and I can't find Palkia in my Pokedex or in anywhere in the region. This answer is from a girl so that's pretty cool for me!
If you mean soul silver, it is yet unknown you have to trade the event arceus to it to get giratina, dialga or palkia.
A event which you can get palkia, dialga or giritina
I'ts Palkia and you can't get them in Pokemon heart gold and soul silver sorry!
in Pokemon soul silver you will find it (it is not in the grass)
You find Moltres in Mt. Silver.
Strong Dragon type Pokemon. Such as Dragonite, Dragonair, Dialga, Palkia, Giratina, Latias, Latios,
You can not. There is no possible way of getting a Deoxy's in Pokemon Soul Silver.
You can find sunkern in national park