The is no pre-evolution of onixOnix is a stage 1 pokemon
The evolved form of Rhyhorn is Rhydon
Onix's final evolution is Steelix, the Steel/Ground-type Pokemon. It can evolve only by trading Onix to another player, while holding a Metal Coat, or Steelix can be found in certain areas in the right game version.
Absol is a dark type.~R.A.I.N
onix evole from gedude
No, Steelix is the evolved and final form of Onix
Onix does not have a pre-evolution. It does, however, have an evolution - Steelix, which you can evolve it into by trading it while holding a Metal Coat.
The is no pre-evolution of onixOnix is a stage 1 pokemon
Onix can be evolved by placing metal coat on it and trading it with a friend. It will evolve into a Steelix.
Onyx can only be evolved by giving it a Metal Coat and trading it with someone.
You can catch Steelix (Onix's evolution form) on Iron Island and in Victory Road.
Vullaby only has one evolved form which is its evolved form of Mandibuzz. Vullaby does not have a second evolved form.
Buneary's evolved form is Lopunny
The evolved form of Finneon is Lumineon.
there isn't an evolved form of pacharisu
The evolved form of Spearow is Fearow.
There isn't any evolved form of aerodactyl.