Breed Manaphy with a ditto in the daycare center, then hatch the egg.
No, you cannot.
THE POKEMON THAT ARE NOT FOUND IN DIAMOND AND PEARL ARE:MANAPHY PHIONE
You have to get a manaphy from Pokemon ranger and breed it
You would need to breed Manaphy and Ditto in the Daycare, then Phione's Egg will be available to obtain from the Daycare Man. Phione cannot be in caught in Pokemon Diamond and Pearl.
In Pokemon Diamond, the Pokemon called Phione is only obtainable by breeding the Pokemon called Manaphy. Manaphy must be obtained in another game, Pokemon Ranger, and then transferred into Pokemon Diamond.
you cant you have to have manaphy and that purple blob .forgot its name
If you mean Phione, then you have to trade for it, or get a Manaphy and breed it with a Ditto.
You can breed Manaphy with a Ditto to get Phione.
489#=Phione 490#=Manaphy
You cant. You have to migrate it.
In Pokemon Diamond,Pearl and Platinum you have to catch Manaphy and breed it with a Ditto to get Phione. To get it in plush you have to buy it on Ebay.com or look it up on Google.
It is not possible to get a Lugia egg in Pokemon Diamond. It is generally impossible to get an egg of a Legendary Pokemon the only exceptions being Manaphy and Phione.