Pokemon Sapphire Rayquaza is one of the most difficult to catch legenderay poekemon in the game. Rayquaza is located at the top of Sky Pillar. If you are to catch this pokemon, you must come prepared and bring at least 30 ultraballs with you. Yes, he's that tough! You may also want to bring along good defensive pokemon which is best for the catching Rayquaza mission. Watch the video walkthrough by some cool guy attempting to catch Rayquaza using his kyogre and succeeding after many tries of throwing ultraballs.
