there isn't one. ho-oh can be found in gold version.
You can't find a ho oh in diamond or pearl you can only migrate it over.
on top of the tower but must have a lugia and hoho or thee thre dog pokemon.
nowhere.. its impossible youd have to trade from leafgreen or firered or soulsilver and heart gold
You can catch Hoho at night.
You can get Lugia from playing Pokemon XD and Ho-Oh from playing Pokemon Collesium. Then you can trade them from there to Sapphire and then move them to the Pal Park in Diamond.
You can't without trading, migrating or, cheats
You have to purify every shadow Pokemon
No, because it is a legendary Pokemon.
navel rock
if you use the action replay rebattle code you can try to battle it again or try to catch it
you don't.....you trade them......
you go to tin tower