Brock's Onix evolved into a Steelix sometime before Grating Spaces while it was being trained by Brock's little brother, Forrest, in the Pewter Gym. Steelix lives even further underground than Onix.

It is weak to Water, Fire, Fighting and … Jasmine first used Steelix to help Ash stop Team Rocket from stealing Pikachu. About "Steelix lives even further underground than Onix.

There are records of this Pokémon reaching a depth of over six-tenths of a mile underground.

Pokémon Go Steelix weakness and counters Steelix has a weakness to Fire, Water, Ground, and Fighting-type attacks in Pokémon Go, so possible counters include Lucario and Machamp.

This Pokémon is known to dig toward the earth’s core.

Steelix is an easy Pokémon to counter.

* Legacy move. It is vulnerable to Fire, Water, Ground and Fighting moves. In When Regions Collide!, it was revealed that it can Mega Evolve into Mega Steelix.Steelix debuted as one of Jasmine's Pokémon in Nerves of Steelix!. Steelix is a Steel/Ground type Pokémon introduced in Generation 2.It is known as the Iron Snake Pokémon.. Steelix has a Mega Evolution, available from Omega Ruby & Alpha Sapphire onwards.

Steelix lives even further underground than Onix. This Pokémon is known to dig toward the earth’s core.

This Pokémon is known to dig toward the earth's core.

Steelix is a Steel & Ground Pokémon which evolves from Onix. Steelix can Dynamax Weakness *0.5 *2 *2 *0 *1 *1 *2 *0 *2 *0.5 *0.5 *0.5 *0.25 *1 *0.5 *1 *0.5 *0.5: Wild Hold Item: Egg Groups Metal Coat - 5%

Steelix's strongest moveset is Iron Tail & Earthquake and it has a Max CP of 2,414.