you have to trade it from Pokemon ranger
buy a pokedex.
in Pokemon ranger or action replay or trade
There is no 'platnium', but you can find it on wild pokemon.
you cant catch it in platnium but you can trade it
thats what i wnt to know rotom and manphy can when you breed manphy a phione haches
You can't find Registeel in Pokemon Platnium. You just migrate it in Pokemon Ruby, Pokemon Sapphire, and Pokemon Emerald.
You get Manphy by completing Pokemon Ranger 1 or 2 and doing the special Manphy mission. You can also see Manphy by, after beating the elite four, going to Mr Backlot's Mansion and going into the room where he is and looking the book behind him.NoteIf you want Phione the breed Manphy with a Ditto
It is Pokemon platnium.
There was an event for manaphy egg.