Porygon-Z does not evolve any further.
give it a dubious disk and trade it
porygon evolves by trading it with a upgrade then trade with dubios disk. enjoy your porygonZ!
Porygon does not evolve at a given level: you have to trade it while it is holding the Up-Grade to evolve into Porygon2. Then trade that while holding the Dubious Disk to get a PorygonZ.
Please clarify your question. What level does evolve in diamond? What Pokemon are you talking about?
he does not evolve in diamond or any game
Rephrase your question = What level does snorlax evolve on Pokemon diamond? =
give it the dubious disc and trade it
It doesn't evolve at a level, you have to trade it.
Magikarp evolve at level 20.
you have to trade it while its holding an up grade item
ditto does not evolve.
In pokemon diamond ponyta will evolve in level 40