Once you get the ruby and sapphire you trade from emerald. sorry that's the only way.
you cant it is only in emerald unless you trade.
no
You can't get Rayquaza in Firered.
You catch Raquaza in the Sky Pillar on the island near Pacifilog City.
Catch raquaza
You need to trade Raquaza's game (Emerald or Ruby) To Fire red. Then go to pal Park.
Sky Pillar
no you cant get rayquaza
catch raquaza
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
you can i think. i have to ask my friend again.
you need the Pokemon modifier cheat