HEre can you see really legendary pokemons. we just choose some of them.
Mew.
Mew was one of the first pokemon in the story. It keeps the Pokemon world in balance and is one of the rarest Pokemon in the games
Rayquaza.
Rayquaza is one of the three most legendary Pokémon in the games Ruby, Sapphire and Emerald. Rayquaza belongs to emerald and is an important part of the games. It is very hard to catch it and it requires a lot of luck.
Kyogre.
Kyogre is one of the three most legendary Pokémon in the games Ruby, Sapphire and Emerald. Kyogre belongs to sapphire and is an important part of the games. It is very hard to catch it and it requires a lot of luck.
Groudon.
Groudon is one of the three most legendary Pokémon in the games Ruby, Sapphire and Emerald. Groudon belongs to ruby and is an important part of the games. It is very hard to catch it and it requires a lot of luck.
Deoxys.
Deoxys is one of the most legendary because it is also one of the first Pokémon. It has the special ability that can change shape. It has 4 forms and are almost impossible to catch in the game were it not for user cheating :P