from your enemy teams base
In team aqua's hideout
in team aquas hide out
I am pretty sure you get a masterball.
give a Pokemon the masterball and put it in the daycare with a ditto then it will be cloned!!!!!!
You must either get a masterball from team aqua base or game corner. Then you must fight a legendary and throw the masterball right away.
you will find one in team aqua's hideout
u run into her in random places u well want to keep the masterball
The professor
There is no Pokemon mansion in sapphire.
He is not in Pokemon: Sapphire. You will not be able to find him. He is in Pokemon: Diamond, Pokemon: Pearl, and Pokemon: Platinum. You will definitely have trouble finding him in Pokemon: Sapphire.
you can't find it in Pokemon sapphire, but you can find it in Pokemon ruby. Hope this helped. :-)
you can't