Pokemon trades Evolution
Some Pokemon evolve only by trading. But some Pokemon evolve while trading and holding an item.
Onix evolves into Steelix hilding metal coat.
Porygon evolves into Porygon2 while holding Up-grade.
Seadra evolves into Kingdra while holding Dragon scale.
Slobro evolves into Slowking while holding King's rock.
I think Golbat evolves into Crobat holding something I don't know.
Note: These items will disapear once it is evolved.
More tricks, tips and cheats for this game are right here - Pokemon LeafGreen cheats
Comments for this hint