Evolution guide
How to evolve Porygon-Z.
Porygon-Z is the final form of its evolution chain. Here's the full lineage.
Porygon No. 0137 Trade holding Up Grade
Porygon2 No. 0233 Trade holding Dubious Disc
Where Porygon-Z comes from
- Porygon2 → Porygon-Z Trade holding Dubious Disc