Yes. You also cannot catch Superjesuslatios or latias without the elite 4.
Chat with our AI personalities
No. You only have to go to sky pillar and release Rayquaza once. After the battle at Sootopolis, you simply return there to capture it at level 70.
after you beat the elite four and get the mach bike go to the sky pillar just right of pacificlodge town.
If you beat the elite four before you catch raquaza you can use the cloning glitch to get as many master balls as you want (the reason for waiting until after you beat the elite four is because the cloning glitch takes place in the battle frontier
After you beat the elite four and the galactic biulding
no