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
You can't unless you trade with somebody. Anyways Moltres is better
I think its moltres
Moltres can be found on top of Mt Ember.
Go to Ember Island
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
The only way to get Moltres is changing it from LeafGreen or FireRed... I traded it, it is nicknamed Archen it is Lv. 89, it know, Fly, Flamethrower, Sky Attack, Heat Wave