How do you duplacate Pokemon in sapphire?

Answer 1

first u need to beat the elite four to get acces to battle tower. then you chose three non legendary Pokemon e.g. swampert blaziken and skeptile

steps

1. get the Pokemon

2.go to a PC and put those Pokemon in an empty box

3. then exit PC and save

4. get your Pokemon out of the PC

5 now go to double battle thing in battle tower

6 now the hard bit what you do is you talk to the lady until she asks do want to save game click yes and then just before it finish's saving turn the game boy or Nintendo off and check your Pokemon you will have the three Pokemon now check your PC and you should have three Pokemon

p.s sorry if it was boring or doesent work first try just have alot of goes