it's tough but you have to trade palkia, dialga and giratina over to either heartGold or soulSilver. then you must go to the ruins of alph and talk to the arcealogist and he will bring you to the ebedded tower to where arceas is. you find him at lv.70. i hope you get him! -RR14
You can't
hall of origin
Good question the answer is Mew, Mewtwo Arces
well you can get Shamin Arces Darkrai Creslia and Regigagis
TO GET ARCES HOPE THAT HELPED A LOT
There is no best Pokemon on Pokemon HeartGold.
there is no Pokemon Mansion in Heartgold.
get the azure flute and then go to where you met dialga and play it
They are not in Pokemon HeartGold
only with action replay!!! there is no way without action replay
where is the pokemon transfer lab in heartgold
No, but you can trade Pokemon only in HeartGold to Black