You have to beat the 7th gym leader and bill will take to one island. When you have free time, go back to one island and use surf. Keep going up until you see a mountain. Climb up the mountain but one of your Pokemon has to know stregnth and rock smash. Moltres is right there but don't use a master ball!
Moltres is not in ruby only firered, leafgreen and Pokemon xd gale of darkness can get moltres.
you cant. you have to have to catch them on Pokemon leafgreen or firered
In the Valcano on one of the 3 islands.
mewtow zapdos moltres articuno mew entei raikou suicune
You go to one island then go to mt emeber and he is deep in there
I think its moltres
You can't unless you trade with somebody. Anyways Moltres is better
Moltres can be found on top of Mt Ember.
Go to Ember Island
Island One moltres is at the top of Mt ember.
On mt. Ember but you have to have strength and rock smash, and you must go to one island and surf
Moltres, zapados, and articuno are the three main legendaries in leaf green/fire red