go to the eight town and use master ball
gold is from joto and groundon is from hoen if you want groundon play ruby,Sapphire or emerald
You can't kyogre is specific to Sapphire and groundon is specific to ruby
yes trade from ruby *or Emerald
groundon, latios, rayquaza and the three regis.
You can only catch seedot, nuzleaf, shiftry, zangoose, and groundon in ruby.
No you cant you can only get it in ruby version.
You don't get Groundon on leaf green. Only in Pokemon Ruby version, if you want one ask a freind to trade for one.
Kyroge,Groundon,andRayquazza
Go beat Wallace in Solstice city.
U use it to awaken Groundon at the embedded tower;~]
in the cave in sootoplis city when your going to fight groundon
after you catch or beat groundon he we be at the gym when you talk to the magma and aqua leaders