find the hm (water fall)and search pokemon league and after defeating pokmon league master become pokemon collector and collect every pokemon and then professer will send you to moon by rocket to capture zirchi(pokemon)
you get after defeating elite and having sixty kinds of Pokemon and getting the ruby from first island and getting the sapphire from the six or seven island
beat all the gym leaders
In gym number seven
no to trade between leaf green and sapphire or ruby u must beat the Pokemon league then go to the seven islands and find the ruby and the sapphire gems to be able to trade
you must get all seven badges then you do the team aqua tory quest
in Pokemon battle revolution, you can but it for about 34ooo points. also Scott gives you one in r/s/e after getting seven battle frontier symbols (i think one from every tower, and gold ones too).
In the game Pokemon Yellow you have to beat the leader of gym seven in order to win the Volcano Badge. The leader of this gym is named Blaine and he specializes in fire type Pokemon. To enter this gym you first have to get the secret key. This key is located in the building across from the lab.
Better is pokemon emerald.you can catch more pokemon-you can catch kyogre and groudon-you can battle with the frontier brains and collect the seven symbols in battle frontier
The eighth badge in Viridian City. The gym leader is Giovanni. In order to enter the gym you have to have all seven badges, and have beaten Giovanni at Silph Co. and Rocket Game Corner.
Of the seven pokemon available in Granite Cave, the cave northwest of Dewford Town, only Abra and Sableye can learn HM05 Flash.
You obtain the Earth Badge by defeating the first seven gyms, and then going back to Viridian and taking on the mysterious gym leader there (although we all saw it coming as to who was the leader of Viridian Gym)
The Seven Islands are not in Pokémon Sapphire.