The Legendary that you can obtain in Pokemon Diamond are, Heatran, Uxie, Azelf, Mesprit, Dialga, Giratina, Cresselia, spiritomb,and Regigigas.
Sadly, no. The creators of the game forgot to add in the Pokedex, so trading is impossible without GameShark. :(
You got to go to iron island and at the end of it you find it
Tornadus, Landorous, Reshiram, Virizion, Terrakion, Cobalion, Kyurem, and Victini.
IF YOUR ASKING IF YOU CAN RECRUIT LEGENDARY POKEMON IN THIS GAME YES YOU CAN BUT YOUR TEAM HAS 2 BE A SIZE 2 IN ORDER 2 RECRUIT A LEGENDARY POKMON WHO IS A SIZE 4 WHICH EQUALS 6..GLAD 2 ANSWER...VERONICA
To get a swampert just choose Muskie as your partner and journey with it untill it evolves. If you cannot choose Mudkip, look near lakes and rivers maby.
ABXY
use action replay
dfg tyhgtg
You can download it at 4 SHARED.
at mt. pyre
yes there is. just fly there if you can
well you have to have mewtow and change one to zacrom and then get a pekachu and get 6 enrgy cards and then get one more mew tow and leave it how it is and get i traner and that would be how to do it