well you need to scout around long grass and then Pokemon appear keep doing it everywhere and you will get em all
You need to see all pokemons in your regular pokedex just see them (Wifi battle doesnt count)
beat the elite four get the pokedex and collect all pokemons
you have to release all your ledgendary Pokemon then use poke rader at route 229
You have to trade at the GTS
No, not all Pokemon in Diamond can learn Hyper Beam.
Send me to hell if I´m wrong, but I believe you have to get the national pokedex. How to get the national pokedex? SEE all the pokemons!
well you need to have all your Pokemon in your pokedex and when you get your national pokedex you will get breed
get all the legendarys
you have to catch all of the pokemon in diamond or SEE all of the pokemon
yes but you need see all the pokemons of the isshu region and talk with the professor and she gives you a national pokedex with this pokedex you can trade Pokemon of the 4 gen
Dont chu mean *Go in? Well, you just simply have to fill in 149 pokemons in the pokedex. (And by fill in I mean see all 150 pokemons. That does NOT include Manaphy.)~Silver*
You can get the National Pokedex in Diamond when you see all 150 Pokemon, but not necessarily capture them.