With the introduction of Generation IV, another evolution was added to the line – Porygon-Z. This final evolution, brought on by trading a Porygon2 holding a Dubious Disc, results in a Pokémon ...
Porygon-Z debuted in Pokemon Diamond and Pearl as the second evolution of the Porygon line. Porygon-Z can be obtained by evolving Porygon2 via trading while it holds a Dubious Disc. Like its ...