You don't. You have to trade an eevee to Pokemon Ruby to use one in the game.
You can't find Eevee in Pokemon Ruby, but you can trade for it from Fire Red, Leaf Green, and XD.
No.
You can't. Eevee must be traded from FireRed, LeafGreen, or XD in order to be obtained on Ruby.
there no cheat to catch mew in pokemon ruby
Pokemon such as eevee, growlithe, and vulpix.
You'll have to trade an Eevee from Fire Red, Leaf Green, or XD.
Pikachu and eevee are a couple.
You have to trade it from Firered or Leafgreen. (Unless you use a cheat.)
you get it randomly
Sadly...No...I wish you could! The only way to get in Eevee is through trade... -R.S.Cuda
There is no cheat to obtain Kyogre in Pokemon Ruby. To obtain Kyogre and Pokemon Ruby, one must trade with a trainer that has obtained Kyogre in Pokemon Sapphire or Emerald.