Onix evolves into Steelix when it is holding a Metal Coat and traded to someone else.
You must Trade Onix while it is holding a Metal Coat in order to Evolve into a Steelix.
Pokemon Tower Defense is 1st generation pokemon only, so no fourth generation or second generation evolutions (including Steelix). Therefore, Onix can't evolve.
onix evolves with a steel coat or something that you give to the luminous cave shrine.
Onix holding a metal coat,Karablast trade with Shelmet will evolve too.Thats all I know.
the way you can evolve an onix is by letting it hold a metal coat and trading it to a friend and then making them trade it back onix evolves when your trade parterner receives onix.
Trade onix while it is holding metal coat
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.
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.