The item duplication glitch (or Rare Candy glitch) can't be done in Pokemon FireRed version.
There is none without ar!
On the Action Replay.
you just cant
There is no stone but you can use a Rare Candy. That will make it go up 1 level, or you can get a Super Rare Candy. 1 in 100 games of Diamond, Pearl and Platinum have it replaced instead of the normal Rare Candy. Super Rare Candies make your Pokemon level 100 straight away, no matter what level they were on before hand.
i think there is no glitch but cheap looking for it good luck
The item duplication glitch (or Rare Candy glitch) can't be done in Pokemon FireRed version.
you cant
You can find a rare candy in wayward cave! I already found the rare candy there!
It elevates your Pokemon up one level.
You have to find poke balls in the wild which contain rare candy in them.
There's a cheat code with action replay
The Rare Candy in PC GameShark code is: 82025bd00044 d261dc6d197b4dc2 280ea26688a62e5c
There is none without ar!
get action replay
On the Action Replay.
use your action replay