You Can't
you have to use the Pokemon modifier code
todidile if you chose cyndiquil,cyndiquil if you chose todidile and cyndiquil if you chose chikarita.
todidile
u cant
You cant unless you have a national pokedex and migrate a pokemon.
capture the legendary and train your Pokemon
Complete the hoen pokedex then talk to the prof.
You actually cant physically catch a rayquazza in diamond or pearl. If you have diamond or pearl and you want a rayquazza you need to get pokemon emerald capture it on there and then migrate it onto your peral or diamond game. Cheers boiz and gyrls.
It's on route 228.
in snowpoint cave somwhere
capture one in the safari zone
Pokemon on Pokemon diamond are like any other Pokemon, little creatures that you capture, battle with and train. To find some you just got to go looking?