Pokémon: Onix National Pokédex: #095 Type: Rock / Ground Ability: Rock Head / Sturdy Hidden Ability: Weak Armor
Onix is a massive rock snake that burrows through the ground at high speed. As it tunnels, it absorbs minerals, making its body harder over time.
Pokémon: Steelix National Pokédex: #208 Type: Steel / Ground Ability: Rock Head / Sturdy Hidden Ability: Sheer Force
Steelix is the evolved form of Onix, formed under immense pressure deep underground. Its body becomes harder than diamond and extremely resistant to damage.
Pokémon: Voltorb National Pokédex: #100 Type: Electric Ability: Soundproof / Static Hidden Ability: Aftermath
Voltorb resembles a Poké Ball and often surprises people by suddenly exploding. It stores electrical energy and can discharge it violently when agitated.
Pokémon: Electrode National Pokédex: #101 Type: Electric Ability: Soundproof / Static Hidden Ability: Aftermath
Electrode is one of the fastest Pokémon. It builds up energy inside its body and can explode with even greater force than Voltorb.