You need to have obtained the ruby, national dex and all the HM's and have saved lorelei in four islands icefall cave and go to dotted hole on six island with a Pokemon that knows cut cause you must use cut on the door to open it.
you get the sapphire stone in the 6th island you have to open the cave somehow and you get a lugia if you go to the very bottom use cut on the cave
team rocket take it to their warehouse
dotted hole is on the south side of six island. (the sapphire is in there) a little extra info: dotted hole does have braille in it.
the ruby is in the cave on mt. ember on one island. the sapphire is in dotted hole on six island.
The sapphire orb is in ruby and sapphire, not firered and leafgreen.
Island 6, in the grassy area around the sapphire cave.
Mt. Pyre in Ruby/Sapphire/EmeraldLost Cave in FireRed/LeafGreenRoute 204 in Diamond/Pearl/Platinum
Spheal cannot be captured in Firered as it's exclusive to the Hoenn region. Ruby, Sapphire, and Emerald version can capture Spheal in Shoal Cave.
you have to beat the league national dex ruby sapphire (not the game ruby sapphire) then go to to ceraluen city then the guy in the cave guy is gone
the ruby is in the cave near the entrance to mt. ember and the Sapphire is in a cave on 6 or 7 island where you need to use cut on a door that has brail written on it.
You can find the sapphire in the dotted hole cave on six island to find the cave go to the southern portion of the island, use Cut on the door to open it then fall down the hole in the cave then fall down the holes in this sequence: up, left, right, down.
* Mewtwo can only be recorded on your PokeDex if... * In FireRed/Leafgreen: Go to Cerulean Cave (guarded when Elite Four is not beaten at Cerulean City) * In Ruby/Sapphire/Emerald: Trade from FireRed/Leafgreen when the Ruby/Sapphire is found in FireRed or LeafGreen * In Diamond/Pearl/Platinum: Send to Pal Park by any GBA game