Pokemon Naranja #16 - Catch Crystal Onix (part 1)

9 Formas de Evoluir Onix - wikiHow

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Starlix #120.208 - FusionDex

Got back to this game, now at Frost Mountain. PS: The Shiny Geodude (now a graveler, as you can see) was completely random and I was not expecting it. : r/PokemonUnbound

Hack~ Pokemon Unbound [Subset - Professor Oak Challenge] (Game Boy Advance) · RetroAchievements

Really cool hack but I dont know how to evolve onix : r/PokemonHallOfFame