You need a GBA link cable and you need to follow these steps: After forming your battle team to battle your friends go upstairs in any Pokemon center and talk to the lady behind the far left counter she will ask to save your game say yes then connect the link cable to the other GBA and have your friend do the same steps as above once your both done and connected press A on the GBA that tells you to do so it may be yours or your friends keep pressing A until your inside the room stand on the colored lights to start the battle!
yes
journey again to achieve the another battle called the 8th gym Pokemon ruby
The cheats for ruby are the cheats for battlefire
yes
Train he isn't very good
If you mix records with your friends and they have Lv100's you can raise your pokemon's level by visiting your friends in their bases and battle.
head to trainer/ battle towercatch more Pokemon to complete pokedexlevel up your Pokemon and battle your friends
Use a link cable to trade/battle with friends.
Pokemon Ruby and Pokemon Sapphire do not have the Battle Frontier, instead they only have the Battle Tower. It was not until Emerald version that the Battle Frontier was added to the game.
defeat the pokemon league
yes
it is not present in ruby. it is just there in emerald
You can't.
You will battle Groudon for your chance to capture it in Pokemon Omega Ruby after gaining more power.
In Pokemon Blue, Red, Yellow, Silver, Gold, and Crystal, the place to trade and battle friends is to the right of Nurse Joy inside every Pokemon Center. In Pokemon Ruby, Sapphire, and Emerald, the place to trade and battle is located upstairs.
You can get it at the Battle Tower
You can battle him at the end of victory road