Dittobase

Home

Games

Pokémon GO
Pokopia
Pokémon Unite

Cards

TCG Pocket
Pokémon TCG

Main Series

Legends Z-A
Scarlet & Violet
HOME
Legends: Arceus
Brilliant Diamond and Shining Pearl
Sword and Shield
Let's Go, Pikachu! and Eevee!
Ultra Sun and Ultra Moon
Sun and Moon
Omega Ruby and Alpha Sapphire
X and Y
Black 2 and White 2
Black and White
HeartGold and SoulSilver
Platinum
Diamond and Pearl
Emerald
FireRed and LeafGreen
Ruby and Sapphire
Crystal
Gold and Silver
Yellow
Red and Blue

Tools

Emerald

Game

Emerald

News

Updates for this game hub

Guides

Hoenn mechanics and tips

Pokédex

Stats, moves, and locations

Moves

Power, accuracy, and learners

Abilities

Effects and Pokémon lists

Items

Bags, machines, and effects

Egg Groups

Breeding groups and members

E / Pokédex

Onix

Onix

#95 in the National Pokédex • Rock Snake Pokémon

Onix

#95 in the National Pokédex • Rock Snake Pokémon

Stats

Base stat spread shown as a hex chart and supporting stat bars.

Min

Max

HP

35

180

274

Attack

45

85

207

Defense

160

292

460

Sp. Atk

30

58

174

Sp. Def

45

85

207

Speed

70

130

262

Total

385

Ranges are for Level 100. Max assumes a beneficial nature, 252 EVs, and 31 IVs; min assumes a hindering nature, 0 EVs, and 0 IVs.

Gengar

Steelix

Onix normal sprite

Normal

Shiny Onix sprite

Shiny

Onix

Rock Snake Pokémon

#95
RockGround

Height

8.8 m (28'10")

Weight

210 kg (463 lbs)

Abilities

Rock HeadSturdy

It's Super Effective

Damage multipliers Onix takes from each attacking type, sorted from worst weakness to best resistance.

Weak to

Water

Grass

Ice

Fighting

Ground

Steel

Resists

Electric

Poison

0.25×

Normal

0.5×

Fire

0.5×

Flying

0.5×

Rock

0.5×

Growth

EV yield, catch rate, and experience details for this Pokémon.
EV yield
1 Def
Catch rate
45
Base Exp.
77

Eggs

Egg groups, gender ratio, and hatching details for this Pokémon.
Egg Groups
Mineral
Gender
50% male
50% female
Egg cycles
25 (6,400 steps)

Lore

Version-specific Pokédex entries for this Pokémon.
Pokémon Emerald box art

Pokémon Emerald

There is a magnet in its brain that prevents an ONIX from losing direction while tunneling. As it grows older, its body becomes steadily rounder and smoother.

Evolution

Evolution requirements shown in a compact table or chain view.
PokémonRequiresEvolution
Onix

Onix

#95

Metal CoatTrade holding Metal Coat
Steelix

Steelix

#208

Moves

Moves this Pokémon learns naturally by reaching specific levels.
Class
Description
StartTackleNormalPhysical359535

Charges the foe with a full- body tackle.

StartScreechNormalStatus-8540

Emits a screech to sharply reduce the foe’s DEFENSE.

9BindNormalPhysical157520

Binds and squeezes the foe for 2 to 5 turns.

13Rock ThrowRockPhysical509015

Throws small rocks to strike the foe.

21HardenNormalStatus--30

Stiffens the body’s muscles to raise DEFENSE.

25RageNormalPhysical2010020

Raises the user’s ATTACK every time it is hit.

33SandstormRockStatus--10

Causes a sandstorm that rages for several turns.

37SlamNormalPhysical807520

Slams the foe with a long tail, vine, etc.

45Iron TailSteelPhysical1007515

Attacks with a rock-hard tail. May lower DEFENSE.

49Sand TombGroundPhysical157015

Traps and hurts the foe in quicksand for 2 to 5 turns.

57Double-EdgeNormalPhysical12010015

A life-risking tackle that also hurts the user.

Machines

Moves this Pokémon can learn from Technical Machines and Hidden Machines in Pokémon Emerald.
Class
Description
TM05RoarNormalStatus-10020

Makes the foe flee to end the battle.

TM06ToxicPoisonStatus-8510

Poisons the foe with an intensifying toxin.

TM10Hidden PowerNormalPhysical110015

The effectiveness varies with the user.

TM11Sunny DayFireStatus--5

Boosts the power of FIRE- type moves for 5 turns.

TM12TauntDarkStatus-10020

Taunts the foe into only using attack moves.

TM17ProtectNormalStatus--10

Evades attack, but may fail if used in succession.

TM21FrustrationNormalPhysical-10020

An attack that is stronger if the TRAINER is disliked.

TM23Iron TailSteelPhysical1007515

Attacks with a rock-hard tail. May lower DEFENSE.

TM26EarthquakeGroundPhysical10010010

A powerful quake, but has no effect on flying foes.

TM27ReturnNormalPhysical-10020

An attack that increases in power with friendship.

TM28DigGroundPhysical6010010

Digs underground the first turn and strikes next turn.

TM32Double TeamNormalStatus--15

Creates illusory copies to raise evasiveness.

TM37SandstormRockStatus--10

Causes a sandstorm that rages for several turns.

TM39Rock TombRockPhysical508010

Stops the foe from moving with rocks and cuts SPEED.

TM41TormentDarkStatus-10015

Torments the foe and stops successive use of a move.

TM42FacadeNormalPhysical7010020

Boosts ATTACK when burned, paralyzed, or poisoned.

TM43Secret PowerNormalPhysical7010020

An attack with effects that vary by location.

TM44RestPsychicStatus--5

The user sleeps for 2 turns, restoring HP and status.

TM45AttractNormalStatus-10015

Makes the opposite gender less likely to attack.

HM04StrengthNormalPhysical8010015

Builds enormous power, then slams the foe.

HM06Rock SmashFightingPhysical2010015

A rock-crushing attack that may lower DEFENSE.

Tutors

Moves this Pokémon can learn from move tutors in this game.
Class
Description
Body SlamNormalPhysical8510015

A full-body slam that may cause paralysis.

Double-EdgeNormalPhysical12010015

A life-risking tackle that also hurts the user.

EndureNormalStatus--10

Endures any attack for 1 turn, leaving at least 1HP.

ExplosionNormalPhysical2501005

Inflicts severe damage but makes the user faint.

MimicNormalStatus--10

Copies a move used by the foe during one battle.

Mud-SlapGroundPhysical2010010

Hurls mud in the foe’s face to reduce its accuracy.

Psych UpNormalStatus--10

Copies the foe’s effect(s) and gives to the user.

Rock SlideRockPhysical759010

Large boulders are hurled. May cause flinching.

Sleep TalkNormalStatus--10

Uses an available move randomly while asleep.

SnoreNormalPhysical4010015

A loud attack that can be used only while asleep.

SubstituteNormalStatus--10

Creates a decoy using 1/4 of the user’s maximum HP.

SwaggerNormalStatus-9015

Confuses the foe, but also sharply raises ATTACK.

Breeding

Moves this Pokémon can inherit through breeding or similar methods.
Class
Description
BlockNormalStatus--5

Blocks the foe’s way to prevent escape.

ExplosionNormalPhysical2501005

Inflicts severe damage but makes the user faint.

FlailNormalPhysical-10015

Inflicts more damage when the user’s HP is down.

Rock SlideRockPhysical759010

Large boulders are hurled. May cause flinching.

Traits

Ability options available to this Pokémon in this game.

Rock Head

Prevents recoil damage.

Protects against recoil damage.

Sturdy

Negates 1-hit KO attacks.

Prevents being KOed from full HP, leaving 1 HP instead. Protects against the one-hit KO moves regardless of HP.

#94

Gengar

#208

Steelix

Join Discord

Join a community of over 5,000+ other trainers.

discord.gg/dittobase
Dittobase

© 2026 dittobase.com. All rights reserved.

This website is an independent platform and is not associated with, validated, backed, or sponsored by Nintendo, Game Freak, Niantic, or The Pokémon Company.