Mario54, you're wrong; You can't get Palkia in Diamond. And Darkrai is a pokemon he was talking about by saying "without the AR". The other 2 event pokemon are Shaymin and Arceus, by the way.
Rotom, Azelf, Mesprit, Uxie, Dialga, Cresselia, Heatran, Regigigas, Giratina. You can get Manaphy by transferring him from Pokemon Ranger. Phione is a result by breeding Manaphy with Ditto.
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Thank you, Vasco <3