You have to help celio with his machine on island one by finding him two gems, a ruby and a sapphire. There are guides to how to get them on the internet. Then you can trade over from Pokemon ruby, sapphire and emerald :)
No.
It is FireRed that needs the Sapphire & Ruby Crystals :) x
Any pokemon from Sapphire, Ruby, and LeafGreen
you can't but you can trade Pokemon from ruby saphhire and emreld
Shellgon must be traded from Pokemon Ruby, Sapphire, or Emerald. None of the Pokemon introduced in these games are in FireRed.
in firered
No.
There are none in Pokemon Ruby trade from FireRed or LeafGreen.
It is in Saphire, Ruby, and Emerald not Firered.
No, but i believe there is in ruby
there is only one ruby.
Sapphire and Ruby came out before firered and leafgreen but they are compatible with them.
give it to celio
it is on the mt ember
Not any hoenn Pokemon but firered and leafgreen can catch alot of kanto and johto Pokemon ruby and sapphire can and can't.
you don't get a second ruby you get a sapphire
Gastly is unobtainable in Pokemon Ruby. You need to trade one from Pokemon Firered or Leafgreen.