the sand area close to battle frontier
If you give it to Rhydon to hold and trade it, it will evolve into Rhyperior.
Protector when attached to Rhydon and traded evolves Rhydon into Rhyperior.
You have to trade Rhydon whilst it is holding 'Protecter' for it to evole into Rhyperior.
If you trade a Rhydon while it is holding the item Protector it will evolve into a Rhyperior.
you give it the item called protecter,trade it with someone,and the rhydon will evolve into rhyperior.(trade back ir you want the rhyperior.)
The Protector evolved Rhydon into Rhyperior, can be obtained on Route 228. Notice:Rydon will only evolve into Rhperior if u trade the Rhydon while holding the protector
You cannot get Rhyperior in Pokemon emerald as he is only in Pokemon diamond and pearl.
You get your Rhyhorn to evolve into a Rhyperior.(Pokemon 188 is Rhyperior)
Rhyperior is a 4th generation Pokemon and therefore yo are not able to attain this in fire red. Diamond and Pearl however do have Rhyperior.
Rhydon
I can definitely tell you that the answer is YES but u need a ar code.
rhyperior doesn't evolve it is the 3rd and last evolsion