All Rock-type Pokémon weaknesses, explained - Dot Esports

Poke Idea: Give us Crystal Onix as well! Swap Weakness : Fire

Onix (Pokémon GO) - Best Movesets, Counters, Evolutions and CP

Onix - Lost Thunder - Pokemon Review

Ah yes, weak to onix : r/pokemon

Onix - 56/102 - Common - Unlimited Edition - Pokemon Singles » Base Set - Spell Bound

Onix - 92/130 - Common - Reverse Holo - Pokemon Singles » Diamond and Pearl Sets » Diamond and Pearl - Spell Bound

Onix (bw9-61) - Pokémon Card Database - PokemonCard

Onix (MODIMP 95) - Pokémod Imperium 95/253 - Card - TCG ONE

Onix do Brock, Pokémon

Pokemon Onix 56/102 Shadowless CGC Graded 7.5