There are 2 ways that you can catch it.First,you need action replay.Second,there is a arceas event but passed
no
hall of oragin
no p.s i know this because i beat the whole game and i did not have a mission to catch arceaus
no you cant you will need a action replay to hack the flute otherwise you cannot get it
you have to get the azure flute and go were you got palka/dialga depending which game
Ditto will hep you,just throw that game away and buy pokemon black.
look in every town poke mart and then thalke to the green guy in 1 of them he will give you the azure flute then go to the to of mt coronet blow in the pipe and u find arceas up the stairway just you
i used my modifire cheat to get arceas made by legen
Originaly all legendaries do when you fight them... but Arceas...probably..
this site dosent know arceas is in soulsilver
Yes I did It its awesome, Its name is arceus not arceas.
Dialga, Uxie, Mesprit, Azelf, and probly Arceas.