Rayquaza is a legendary Pokemon that can be obtained in various Pokemon games. It is a powerful Pokemon that can be a valuable asset to any team. However, it can be difficult to obtain, as it is only available in certain locations and under specific conditions.
In Pokemon Ruby, Sapphire, and Emerald, Rayquaza can be obtained by defeating it at the Sky Pillar. However, it will only appear if the player has defeated both Groudon and Kyogre. In Pokemon X and Y, Rayquaza can be obtained by defeating it at the Dragon’s Den. However, it will only appear if the player has obtained the Eon Flute.