Need help with Sevii Islands.

[Deathskully]

I just managed to beat the Elite 4, but once I went to Island 1, 2, or 3, there were no additions of Johto pokemon and no cave behind the two rockets. I'm stuck now, Although I've beaten the elite four, I can't get any further..

 

[MaskedManAbsolkid]

Talk to Celio in the One Island pokemon center. He'll ask you for the Ruby and Sapphire Plates. Go back to the cave, and you'll overhear the rockets. You'll hear a password here. They notice you, and battle you. Go inside the cave to get the Ruby.

Also, Slugma is the only non-kanto pokemon in the first three islands.

 

[Deathskully]

I did what you said, but all Celio said was:

"CELIO: Hello! You look awfully busy as always. How am I doing? Well, I'm modifying my Network Machine. When I get done with the machine, I hope you'll be the first to use it."

 

[Freeze Knight]

Talk to Celio in the One Island pokemon center. He'll ask you for the Ruby and Sapphire Plates. Go back to the cave, and you'll overhear the rockets. You'll hear a password here. They notice you, and battle you. Go inside the cave to get the Ruby.

Also, Slugma is the only non-kanto pokemon in the first three islands.

You forgot Dusparce.
And I think you need to have 60 Pokemon catched in the Pokedex and talk to Prof. Oak before you do that.

 

[amphoros]

You might have to beat the bike gang and rescue the person from hypno

 

[Freeze Knight]

You might have to beat the bike gang and rescue the person from hypno

That's before the E4.

I just managed to beat the Elite 4

 

[XanderWolf]

Once you've defeated the Elite Five for the first time, and successfully met Celio on Knot Island, and saved Lostelle from the Hypno in the Berry Forest on Kin Island and brought her back to Boon Island, you need to have caught at least 60 Pokemon. Once you've done that, go to Pallet Town and show Professor Oak your Pokedex. He'll upgrade it to the National Pokedex, which will allow you to fight,capture, and raise Foreign Pokemon.

After you have the National Pokedex, head to Vermillion City and take the ship back to Knot Island. At the Pokemon Center, Celio will mention something about his Networking Machine, but that something's missing. You'll need to surf to the north to Mt. Ember, where you'll find the Ruby. After you do that quest and bring the Ruby back to Celio, he'll give you the Rainbow Pass, which will allow you to take the ship to Floe Island, Chrono Island, Fortune Island, and Quest Island.​

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[Deathskully]

Thanks Xanderwolf, that worked.

 

[TRJessie579]

http://www.serebiiforums.com/showthread.php?t=100467

17. Q: Where are the Ruby and Sapphire plates?
A: The Ruby plate can be found in Mt. Ember. Once you have the National Dex, defeat the Rockets in front of the cave. Then you can go in and find the Ruby. They will NOT fight you until you have the 'Dex, so see question #10 on how to get it.

Emphasis mine...PLEASE read the stickies/FAQs before making a thread, that's why I wrote them. ;_;

-Answered, closed