you can catch RAYQUAZA on top of the sky tower thing (it's level 70) you can go to a person in the Weather thing and he'll say something like "there is heavy rain fall on route 129" so you go to route 129 and you use dive where there is deep water, follow the cave go back tho the top of the water and go into the ccave, in there you will find KYOGRE. you can go to a person in the Weather thing and he'll say something like "there is a drought on route 105 so you go there and you may see a cave that wasn't there before go into it and follow it and you will find GROUDON (I hope this helps you) :p From: The Pokemon Game'r
get lucky
Mew and Deoxys which are event only's.
i would say........lugia,ho-oh,groudon,rayquaza,kyogre.
it all depends on your prospective. who you like best
I don't think you really can. But in heartgold and soulsilver you will see vortexs in that game but no legendaries in them.
Pokemon ruby's version IS Pokemon ruby.
Pokemon Ruby has Pokemon that Pokemon Sapphire does not and Pokemon Sapphire has Pokemon that Pokemon Ruby does not.
ruby
All The Shiney Pokemon You Can Get In Pokemon Ruby Are All The Pokemon You Can Get in Ruby Any Pokemon Can Be Shiney Even Starters and Legendaries. So There Are 200 Shiney Pokemon You Can Get In Pokemon Ruby.
You can trade from Pokemon Ruby to another Pokemon Ruby using a link cable.
you can't get the pokeradar in Pokemon ruby
Pokemon from the 3rd gen (hoenn region) are in ruby