when you just about to the last room SAVE THE GAME!! then go into the last room and if Groudon isn't shiny then just restart the game by pressing A+B+SEL.+START the keep on resetting it until Groundon is shiny.
hope i helped:)
Groudon is not available in Sapphire. You have to trade it from Pokemon Ruby, and there is only one Groudon in the whole Ruby game.you cannot catch groudon in sapphire, but you can have it by transfering it from Pokemon ruby or from Pokemon emeraldyou cannot catch groudon in sapphire, but you can have it by transfering it from Pokemon ruby or from Pokemon emerald
You can get a Groudon by trading it from either Pokemon Ruby or Pokemon Emerald.
Groudon
Kill him?!
You can't. You can only catch groudon in pokemon ruby.
groudon,kyogre and rayquaza groudon,kyogre and rayquaza
you can only get groudon on Pokemon ruby.
Groudon
Apparently Groudon, but you need to trade with ruby to be able to obtain him.
groudon
Groudon!!! Woo!
...sigh. groudon is a legendary, it does NOT evolve