u cannot get palkia on pokemon diamond u can only get diagla. sory to disapiont u
cant fight just capture
use a rock type pokemon.
beat the Pokemon league
er...fight it with your Pokemon and then throw a pokeball at it. it should catch it... yes fight it but not kill it
in fight area
A fight type
nop
At the fight area (after you beat the Pokemon league)
A gastradon in the pokemon diamond, is a pokemon. He can evolve into different pokemons' and also fight other pokemon. He eats leaves, vegetables, and fruits.
Route 221
In the fight area.
you can go after the legendary pokemon, or beat him again.