you have to trade it when held with a metal coat.
In Pokemon Yellow Onix does not evolve, it is a one stage Pokemon.
it cannot evolve in that game... sorry.
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.
There is no such thing as a Crystal Onix in the Pokemon games series. It was only in the Pokemon anime.
you have to trade it when held with a metal coat.
In Pokemon Yellow Onix does not evolve, it is a one stage Pokemon.
no you will have to evolve a gold onix but you have to trade the gold onix with the metal coat and it needs to be happy while being traded.
it cannot evolve in that game... sorry.
Onix evolves into Steelix when it is holding a Metal Coat and traded to someone else.
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.
There is no such thing as a Crystal Onix in the Pokemon games series. It was only in the Pokemon anime.
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
You can not obtain a Crystal Onix in the Pokemon games. It is only featured in the TV show Pokemon
There is no such thing as a Crystal Onix. It only exist in the anime.