In Pokemon Yellow Onix does not evolve, it is a one stage Pokemon.
In order to evolve Onix in Pokemon Crater you must beat Cynthia. After beating Cynthia she will give you the mental coat to evolve Onix.
Onix doesn't evolve from anything. It evolves into Steelix, but Onix is the base pokemon for that evolution chain. :)
To evolve onix you must give it a metal coat then trade it and it will evolve
Onix does not evolve by level. It can evolve by being traded while holding metal coat.
In Pokemon Yellow Onix does not evolve, it is a one stage Pokemon.
In order to evolve Onix in Pokemon Crater you must beat Cynthia. After beating Cynthia she will give you the mental coat to evolve Onix.
Onix doesn't evolve from anything. It evolves into Steelix, but Onix is the base pokemon for that evolution chain. :)
Trade Onix with the steel coat item to evolve it.
To evolve onix you must give it a metal coat then trade it and it will evolve
There is no Pokémon that evolves into Onix.
It doesnt
Yes, Onix does evolve into another Pokémon. Onix will evolve into Steelix after being traded while holding a Metal Coat.
Onix does not evolve by level. It can evolve by being traded while holding metal coat.
get the metel coat give it to onix and then trade it
Level: Onix Evolves By Trading.
You need to give ONIX a METAL COAT to hold. Then trade him and he will evolve into a STEELIX.