After beating the elite four and getting the national dex.
at mt ember after fighting the rocket grunts and going in mt ember
Just get the national dex go to mt ember you will find 2 team rocket grunts battle them and go in the cae and you will find the ruby in the cave
On top of mt ember.
mt ember on one island
One Island by Mt. Ember
at mt ember after fighting the rocket grunts and going in mt ember
the ruby is in Mt. Ember you have to defeat the 2 rocket grunts in front of the entrance
You have to beat your rival at the indigo plauto. Then you go to one island and talk to celio. He will ask you to get a ruby. Then you go up to the grunts and they will be talking. You will hear the first password to their warehouse. Then you talk to them and they will battle you. In that cave is the ruby.
Just get the national dex go to mt ember you will find 2 team rocket grunts battle them and go in the cae and you will find the ruby in the cave
first you need to beat the Pokemon league , then you go north of mt. ember and battle two rocket grunts
If your talking about the password for the rocket hideout you get the first one on mt ember where those two team rocket grunts are.
first you have to use dig then they will move HOPE THIS HELPS
first you have to get the national pokedex by capturing 60 or more Pokemon then show it to proffeser oak and the big jerk comes in (Gary mother fudgin oak) and he gives you and Gary (why to Gary i will never know) then go to mount ember and there will be team rocket grunts and you battle both and they allow you to go in
the mountain with moltres on it Mt. Ember i think after you beat elite 4 go there and you should see some team rocket people battle them then go in the cave by them
You have to beat the Elite Four at least once then talk to Celio (the guy in the Island's Pokemon Center) then go to Mt. Ember and learn the password and battle them.
A secret cave that two rocket grunts dug up will appear after obtaining the national pokedex upgrade from prof oak if you go inside here it will lead you to the Ruby move the boulders in the cave using Strength.
It's in Mt Ember inside a cave Rocket Grunts opened for you.