Is Onix A Good Pokémon? – Celebrity
Sebastian Wright
Updated on January 18, 2026
Onix is a Rock / Ground type Pokémon introduced in Generation 1. It is known as the Rock Snake Pokémon.
Onix is a great UU/OU force at the beginning of a battle. Steelix is a bit less versatile in defenses, seeing as Special-based attack will KO it. However, Steelix has a much more solid typing, more HP for more physical bulk, and better offensive stats. However, it lacks the stalling potential that the new and improved Onix has.
An Onix appeared in Fierce Competition at the Pokémon Baseball Tournament!, where it was one of the Pokémon that took part in a baseball match. Giovanni sent out his Onix to prevent Red from interfering with his plans on creating Mewtwo in Bring Down the Strongest Pokémon!!.
Onix is a Rock/Ground type Pokémon, which makes it especially weak against Water and Grass moves, and weak against Ground, Ice, Steel and Fighting moves. The 5 strongest Pokémon against Onix are: Breloom.
What does Onix do in Pokemon Go?
Onix has a magnet in its brain. It acts as a compass so that this Pokémon does not lose direction while it is tunneling. As it grows older, its body becomes increasingly rounder and smoother. Let’s Go Pikachu. Let’s Go Eevee. Burrows at high speed in search of food. The tunnels it leaves are used as homes by Diglett.
It searches for food while boring its way through the ground at 50 miles per hour. As it grows, the stone portions of its body harden to become similar to black-colored diamonds. There is a magnet in its brain that prevents an ONIX from losing direction while tunneling.
What moves do Onix use?
The best moves for Onix are Rock Throw and Rock Slide when attacking Pokémon in Gyms. This move combination has the highest total DPS and is also the best moveset for PVP battles.
Onix is a Rock & Ground Pokémon. It is vulnerable to Water, Grass, Ground, Ice, Steel and Fighting moves. Onix’s strongest moveset is Rock Throw & Rock Slide and it has a Max CP of 1,101. Onix evolves into Steelix.
“Onix has a magnet in its brain. It acts as a compass so that this Pokémon does not lose direction while it is tunneling. As it grows older, its body becomes increasingly rounder and smoother.”
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