Here's a breakdown of the Pokémon you can catch in Diamond:
Sinnoh Region Pokémon: All Pokémon native to the Sinnoh region are catchable in Diamond, including:
* Starter Pokémon: Turtwig, Chimchar, Piplup
* Legendaries: Dialga, Palkia, Giratina, Uxie, Mesprit, Azelf, Heatran, Regigigas
* Mythicals: Manaphy
* Other Pokémon: All other Sinnoh region Pokémon are available.
Other Region Pokémon:
* Johto Region Pokémon: You can catch a limited number of Johto Pokémon through events, trading, or the Pal Park feature.
* Kanto Region Pokémon: You can catch a limited number of Kanto Pokémon through events, trading, or the Pal Park feature.
How to Get Pokémon from Other Regions:
* Pal Park: This location allows you to transfer Pokémon from previous generations using the Pokewalker accessory or by connecting to the internet. You can catch Pokémon from Kanto and Johto using this method.
* Events: Special events may offer the chance to catch Pokémon from other regions.
* Trading: Trading with other players is the best way to obtain Pokémon from other regions.
Important Note: You cannot catch all Pokémon in the National Pokédex in Pokémon Diamond. You'll need to play Pokémon Pearl or Platinum to catch all the remaining Pokémon.