Moltres is not in ruby only firered, leafgreen and Pokemon xd gale of darkness can get moltres.
You can't
Moltres is a legendary fire bird on Pokemon
you can't get him on emerald ruby or Sapphire. you have to trade him from Pokemon leaf green or fire red to emerald. on Pokemon fire red and leaf green you get him at the end of island 1.
Moltres cannot be found on Pokemon Coloseum.
you get moltres in Pokemon fire red
On Pokemon HeartGold, Moltres is on level 50.
The ruby is found in Mt. ember where you find Moltres. When you see the hiker turn right and then you'll see two rocket grunts they will make a cave you will need 60 Pokemon and I am 7 years old
You can't get Moltres in Pokemon Crystal, Only in Pokemon Leafgreen and Pokemon Firered. Including Pokemon Platinum.
Moltres is in Victory Road
you have to get 10 ruby fragments from unowns in map 15, caverns of alph. Then you go to the research lab and it will have a button to push and the ten fragments turn into a ruby shard. Then you put it on you first pokemon and you go to the caverns of alph and keep clicking on the screen until you see moltres. When you battle moltres and beat him you get moltres.
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