How do you evolve Onix in Black 2?

Onix Pokédex: stats, moves, evolution & locations

ONIX - new Evolution by Tornupto-Z on DeviantArt

Pokemon Onix – Pixelmon Reforged Wiki

Onix Pokémon: How to catch, Moves, Pokedex & More

Pokemon Sword and Shield Metal Coat location

Let me ask, how do you evolve onix into steelix? help me! : r/pokecord

Which Onix is smarter to evolve? One is higher CP, the other is a cool shiny. I know usually you always want the higher CP, but is there any collector value to

Onix: How To Get And Evolution Pokemon Legends Arceus - GameWith

In-Progress Pokemon Evolutions — #095 Baby - Onix's rock-like eggs are so large and

Pokemon - Onix (61/108) - XY Evolutions : Toys & Games