you cant it is only in emerald unless you trade.
no
You can't get Rayquaza in Firered.
You need to trade Raquaza's game (Emerald or Ruby) To Fire red. Then go to pal Park.
Sky Pillar
Unless you cheat it is impossible.
Not in Platinum but in HG/SS you can
you need the Pokemon modifier cheat
To get Pokemon firered on PC download a vba and Pokemon firered ROM
You can catch a Ho-Oh at Navel Rock in Pokemon FireRed.
You can catch Moltres at Mt. Ember Peak in FireRed.
depending on the game there r certain Pokemon u cannot catch like say on emerald u cant catch palkia or dialga so on diamond u cant catch raquaza sorry
Once you get the ruby and sapphire you trade from emerald. sorry that's the only way.