Onixin Pokémon Polished Crystal
Pokédex Entry
Rock Snake Pokémon
As it digs through the ground, it absorbs many hard objects. This is what makes its body so solid.
Onix in Pokémon Polished Crystal
Onix is #95 in the Pokédex for Pokémon Polished Crystal. This page covers its rock/ground typing, base stats, abilities, level-up and TM/HM moves, evolution chain, and where to find it across 40 encounter locations.
Protects it from recoil damage.
Cannot be knocked out with one hit.
Physical attacks trade Def for Spe.
Evolution Chain
Note, you can always call Professor Elm with the Pokemon you are trying to evolve as first in your party. This was a feature that was added specifically to Polished Crystal. If the information on this page seems incorrect, please try calling Professor Elm.
How to Obtain
Wild Encounters (20)
Level Up Moves (20)
| Level | Move | Type | Cat. | Power | Acc. | PP |
|---|---|---|---|---|---|---|
| TackleLevel: 1Tackle | normal | 40 | 100 | 35 | ||
| A full-body charge attack. | ||||||
| Defense CurlLevel: 1Defense Curl | normal | 0 | 100 | 40 | ||
| Raises the user's Defense. | ||||||
| WrapLevel: 1Wrap | normal | 15 | 90 | 20 | ||
| Traps the foe for 2-5 turns. | ||||||
| CurseLevel: 4Curse | ghost | 0 | 100 | 10 | ||
| Works differently for Ghost-types. | ||||||
| Rock ThrowLevel: 7Rock Throw | rock | 50 | 90 | 15 | ||
| Drops rocks on the enemy. | ||||||
| RageLevel: 10Rage | normal | 20 | 100 | 20 | ||
| Raises Attack if the user is hit. | ||||||
| Rock BlastLevel: 13Rock Blast | rock | 25 | 90 | 25 | ||
| Hurls boulders to hit 2-5 times. | ||||||
| Body SlamLevel: 16Body Slam | normal | 85 | 100 | 15 | ||
| An attack that may cause paralysis. | ||||||
| SandstormLevel: 19Sandstorm | rock | 0 | 100 | 10 | ||
| Inflicts damage every turn. | ||||||
| AncientpowerLevel: 22Ancientpower | rock | 60 | 100 | 5 | ||
| An attack that may raise all stats. | ||||||
| DragonbreathLevel: 25Dragonbreath | dragon | 60 | 100 | 20 | ||
| A strong breath attack. | ||||||
| HeadbuttLevel: 28Headbutt | normal | 70 | 100 | 15 | ||
| An attack that may cause flinching. | ||||||
| ScreechLevel: 31Screech | normal | 0 | 85 | 40 | ||
| Sharply lowers the foe's Defense. | ||||||
| Rock SlideLevel: 34Rock Slide | rock | 75 | 90 | 10 | ||
| An attack that may cause flinching. | ||||||
| CrunchLevel: 37Crunch | dark | 80 | 100 | 15 | ||
| An attack that may lower Defense. | ||||||
| Iron TailLevel: 40Iron Tail | steel | 100 | 75 | 15 | ||
| An attack that may lower Defense. | ||||||
| DigLevel: 43Dig | ground | 90 | 100 | 10 | ||
| 1st turn: Burrow 2nd turn: Attack | ||||||
| Stone EdgeLevel: 46Stone Edge | rock | 100 | 80 | 5 | ||
| Has a high critical hit ratio. | ||||||
| Double EdgeLevel: 49Double Edge | normal | 120 | 100 | 15 | ||
| A tackle that also hurts the user. | ||||||
| EarthquakeLevel: 52Earthquake | ground | 100 | 100 | 10 | ||
| Tough but useless vs. flying foes. |
Egg Moves (4)
| Move | Type | Cat. | Power | Acc. | PP |
|---|---|---|---|---|---|
| Defense CurlDefense Curl | normal | 0 | 100 | 40 | |
| Raises the user's Defense. | |||||
| Rock SlideRock Slide | rock | 75 | 90 | 10 | |
| An attack that may cause flinching. | |||||
| EarthquakeEarthquake | ground | 100 | 100 | 10 | |
| Tough but useless vs. flying foes. | |||||
| Rock BlastRock Blast | rock | 25 | 90 | 25 | |
| Hurls boulders to hit 2-5 times. |
TM/HM Moves (25)
| Move | Type | Cat. | Power | Acc. | PP | |
|---|---|---|---|---|---|---|
| CurseCurse | ghost | 0 | 100 | 10 | TM03TM03 | |
| Works differently for Ghost-types. | ||||||
| RoarRoar | normal | 0 | 100 | 20 | TM05TM05 | |
| Scares wild foes to end battle. | ||||||
| ToxicToxic | poison | 0 | 90 | 10 | TM06TM06 | |
| A Poison move with increasing damage. | ||||||
| The type varies with the Pokémon. | ||||||
| Sunny DaySunny Day | fire | 0 | 100 | 5 | TM11TM11 | |
| Boosts Fire-type moves for 5 turns. | ||||||
| ProtectProtect | normal | 0 | 100 | 10 | TM17TM17 | |
| Foils attack that turn. It may fail. | ||||||
| BulldozeBulldoze | ground | 60 | 100 | 20 | TM21TM21 | |
| A Ground attack that lowers Speed. | ||||||
| Iron TailIron Tail | steel | 100 | 75 | 15 | TM23TM23 | |
| An attack that may lower Defense. | ||||||
| EarthquakeEarthquake | ground | 100 | 100 | 10 | TM26TM26 | |
| Tough but useless vs. flying foes. | ||||||
| ReturnReturn | normal | 1 | 100 | 20 | TM27TM27 | |
| An attack that is based on loyalty. | ||||||
| DigDig | ground | 90 | 100 | 10 | TM28TM28 | |
| 1st turn: Burrow 2nd turn: Attack | ||||||
| Brick BreakBrick Break | fighting | 75 | 100 | 15 | TM31TM31 | |
| Removes Reflect and Light Screen. | ||||||
| Double TeamDouble Team | normal | 0 | 100 | 15 | TM32TM32 | |
| Raises the user's evasiveness. | ||||||
| Flash CannonFlash Cannon | steel | 80 | 100 | 10 | TM34TM34 | |
| An attack that may lower Sp.Def. | ||||||
| SandstormSandstorm | rock | 0 | 100 | 10 | TM37TM37 | |
| Inflicts damage every turn. | ||||||
| SubstituteSubstitute | normal | 0 | 100 | 10 | TM41TM41 | |
| Makes a decoy with 1/4 user's max HP. | ||||||
| FacadeFacade | normal | 70 | 100 | 20 | TM42TM42 | |
| Double damage with Psn, Brn, or Prz. | ||||||
| RestRest | psychic | 0 | 100 | 5 | TM44TM44 | |
| Sleep for 2 turns to fully recover. | ||||||
| AttractAttract | normal | 0 | 100 | 15 | TM45TM45 | |
| Makes the opposite gender infatuated. | ||||||
| Rock SlideRock Slide | rock | 75 | 90 | 10 | TM48TM48 | |
| An attack that may cause flinching. | ||||||
| Dragon PulseDragon Pulse | dragon | 85 | 100 | 10 | TM59TM59 | |
| Attacks foe with a shock wave. | ||||||
| ExplosionExplosion | normal | 250 | 100 | 5 | TM64TM64 | |
| Very powerful but makes user faint. | ||||||
| Stone EdgeStone Edge | rock | 100 | 80 | 5 | TM71TM71 | |
| Has a high critical hit ratio. | ||||||
| Gyro BallGyro Ball | steel | 1 | 100 | 5 | TM74TM74 | |
| Does more damage at lower speed. | ||||||
| StrengthStrength | fighting | 80 | 100 | 15 | HM04HM04 | |
| A powerful physical attack. |
Move Tutor Moves (9)
| Move | Type | Cat. | Power | Acc. | PP | Location | |
|---|---|---|---|---|---|---|---|
| Body Slam(Warm Beach Shack)Body Slam | normal | 85 | 100 | 15 | TutorTutor | ||
| An attack that may cause paralysis. | |||||||
| Double Edge(Safari Zone North)Double Edge | normal | 120 | 100 | 15 | TutorTutor | ||
| A tackle that also hurts the user. | |||||||
| Earth Power(Cherrygrove Bay)Earth Power | ground | 90 | 100 | 10 | TutorTutor | ||
| An attack that may lower Sp.Def. | |||||||
| Endure(Warm Beach Shack)Endure | normal | 0 | 100 | 10 | TutorTutor | ||
| Endures any hit with at least 1HP. | |||||||
| Headbutt(Ilex Forest)Headbutt | normal | 70 | 100 | 15 | TutorTutor | ||
| An attack that may cause flinching. | |||||||
| Iron Head(Route 4)Iron Head | steel | 80 | 100 | 15 | TutorTutor | ||
| An attack that may cause flinching. | |||||||
| Rollout(Route 46)Rollout | rock | 30 | 90 | 20 | TutorTutor | ||
| Attacks 5 turns with rising power. | |||||||
| Sleep Talk(Route 31)Sleep Talk | normal | 0 | 100 | 10 | TutorTutor | ||
| Randomly attacks while asleep. | |||||||
| Swagger(Celadon City)Swagger | normal | 0 | 85 | 15 | TutorTutor | ||
| Causes confusion but raises Attack. |
Type Summary
Weaknesses
Types that deal increased damage to Onix. Use these types to counter it effectively.
Resistances & Immunities
Types that Onix resists or is immune to. Avoid using these types against it.
Immunities (0×)
Best Counters
Pokémon that have type advantages against Onix, either offensively or defensively.
Base Stats
Also in
This Pokémon appears in other games we cover. Typing and base stats shown are that game's own — differences from the game you're viewing are marked.
onix in 7 gamesrockgroundAttack 45 -35
onix in Red++rockgroundAttack 45 -35Sp. Def 30 -15
onix in AmbrosiarockgroundHP 45 +10Attack 75 -5Defense 140 -20
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