sorry but you cant you can only get them in Pokemon emerald,ruby and sapphire
The reggis are not available in leafgreen you will need Ruby, Sapphire and Emerald to give you them.
The only Regi you can get in Pearl in Regigigas But to get Regirock Regiice and Registeal get them in Sapphire Ruby and Emerald Firered or Leafgreen srry to say that folks
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if ya talking about the regi Pokemon you haf to trade from ruby/sapphire/emerald. DISHO never herd of reggis
No.But you can trade it with someone who has it in Pokemon Emerald,Ruby, or Sapphire.
aegis cave
Yes.
Yes you can trade leafgreen version Pokemon to another leafgreen version.
no, not necessarily, you do however need the nationalDex which you get for seeing all 150 Pokemon in shinnoh
Not in Pokemon leafgreen only in Pokemon Firered never ever in Pokemon leafgreen And in Pokemon firered it is rare in power plant not available in Pokemon leafgreen?
It will only fight you if you have the three Reggis Pokemon from previous games
trade from platinum or with someone that have the regis from mirgating or mirgate self.