Onix does not evolve by leveling up, you must to trade it while it is holding the item Metal Coat and it will evolve as soon as it has been traded.
Onix does not evolve by level. It can evolve by being traded while holding metal coat.
Level: Onix Evolves By Trading.
level it up
You have to trade him
onix has to be traded and be holding metal coat
Onix does not evolve by level. It can evolve by being traded while holding metal coat.
Level: Onix Evolves By Trading.
Onix can only evolve through trading it with metal coat on at any level.
there is no level for onix to evolve it will evolve if u trade it to another game make sure it holds a metal coat or it will not evolve
level it up
You have to trade him
In Pokemon, Onix does not evolve at a specific level. The only way that Onix can evolve into Steelix is by trading it to someone while it is holding a metal coat.
onix has to be traded and be holding metal coat
level 50
Onix doesn't evolve through leveling. But, make him hold a Steel Coat, and he will evolve into a Steelix!
it cant
yes it evoles by happiness