you can't
No, you cannot walk through walls without an Action Replay. You are not allowed to walk through walls in any video game without cheating, so the only way to do that is by using the Action Replay.
you cannot
japanease version(that's also how u get ARCEUS tha god Pokemon without action replay)
You can't without Action Replay DS, which is hard to get and I can't go further without Action Replay DS.
no you can't do that wiyhout an action replay
yes visit this question too find out how: Cheats for Pokemon pearl without action replay? hope i helped
ACTION REPLAY DSi
you can get a hacked version at thepiratebay.se
you can't.
yes
action replay
no you cant.