Onixin Pokémon Heart & Soul

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Pokédex Entry

Rock Snake Pokémon

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.

Front

Normal

Shiny

Animated

Shiny Animated

Back

Normal

Shiny

Type

RockGround

Dex

#064 Johto Dex · #095 National

Abilities

Rock Head(Primary)

Prevents recoil damage.

Sturdy(Secondary)

Negates 1-hit KO attacks.

Weak Armor(Hidden)

Its stats change when hit.

Growth Rate

mediumfast

Gender Ratio

50% Male, 50% Female

Egg Groups

mineral

Hatch Rate

Medium Fast (20 cycles)

Catch Rate

Poké Ball5.3%

Great Ball7.5%

Ultra Ball8.9%

Base Exp

EV Yield

1 Defense

Wild Held Items

None

Weak To

water ×4grass ×4ice ×2fighting ×2ground ×2steel ×2

Resists

normal ×0.5fire ×0.5poison ×0.25flying ×0.5rock ×0.5

Immune To

electric

Evolution Chain

Onix

Base form

→

Steelix

• Level up Onix holding Metal Coat

• Use Metal Coat on Onix

Related Guides

How to Obtain

Onix can be found in Mt. Silver Mountain Side (uncommon), in Union Cave B2F (uncommon), and in Cliff Cave (rare), among 11 other areas. Wild ones range from level eight to 68.

Wild Encounters (14)

Gen 7 Moves

The movepool a new game starts with.

Level Up (22)

Level	Move	Type	Power	Acc.	PP
1	Mud SportLevel: 1Mud Sport	ground	PWR0	ACC0	PP15
1	Mud SportLevel: 1Mud Sport	Covers the user in mud to weaken all Electric moves.
1	TackleLevel: 1Tackle	normal	PWR35	ACC0	PP35
1	TackleLevel: 1Tackle	Charges the foe with a full- body tackle.
1	HardenLevel: 1Harden	normal	PWR0	ACC0	PP30
1	HardenLevel: 1Harden	Stiffens the body's muscles to raise Defense.
1	BindLevel: 1Bind	normal	PWR15	ACC0	PP20
1	BindLevel: 1Bind	Binds and squeezes the foe for turns.
4	CurseLevel: 4Curse	ghost	PWR0	ACC0	PP10
4	CurseLevel: 4Curse	A move that functions differently for GHOSTS.
7	Rock ThrowLevel: 7Rock Throw	rock	PWR50	ACC0	PP15
7	Rock ThrowLevel: 7Rock Throw	Throws small rocks to strike the foe.
10	Rock TombLevel: 10Rock Tomb	rock	PWR0	ACC0	PP0
10	Rock TombLevel: 10Rock Tomb	Stops the foe from moving with rocks and cuts Speed.
13	RageLevel: 13Rage	normal	PWR20	ACC100	PP20
13	RageLevel: 13Rage	Raises the user's Attack every time it is hit.
16	Stealth RockLevel: 16Stealth Rock	rock	PWR0	ACC0	PP20
16	Stealth RockLevel: 16Stealth Rock	Sets floating stones that hurt a foe switching in.
19	Rock PolishLevel: 19Rock Polish	rock	PWR0	ACC0	PP20
19	Rock PolishLevel: 19Rock Polish	Polishes the body to sharply raise Speed.
20	Gyro BallLevel: 20Gyro Ball	steel	PWR1	ACC100	PP5
20	Gyro BallLevel: 20Gyro Ball	A high-speed spin that does more damage to faster foes.
22	Smack DownLevel: 22Smack Down	rock	PWR50	ACC100	PP15
22	Smack DownLevel: 22Smack Down	Throws a rock to knock the foe down to the ground.
25	Dragon BreathLevel: 25Dragon Breath	dragon	PWR60	ACC100	PP20
25	Dragon BreathLevel: 25Dragon Breath	Strikes the foe with a blast of breath. May paralyze.
28	SlamLevel: 28Slam	normal	PWR80	ACC75	PP20
28	SlamLevel: 28Slam	Slams the foe with a long tail, vine, etc.
31	ScreechLevel: 31Screech	normal	PWR0	ACC85	PP40
31	ScreechLevel: 31Screech	Emits a screech to sharply reduce the foe's Defense.
34	Rock SlideLevel: 34Rock Slide	rock	PWR75	ACC90	PP10
34	Rock SlideLevel: 34Rock Slide	Hits the foe with an avalanche of rocks.
37	Sand TombLevel: 37Sand Tomb	ground	PWR0	ACC0	PP15
37	Sand TombLevel: 37Sand Tomb	Traps and hurts the foe in quicksand for turns.
40	Iron TailLevel: 40Iron Tail	steel	PWR100	ACC75	PP15
40	Iron TailLevel: 40Iron Tail	Attacks with a rock-hard tail. May lower Defense.
43	DigLevel: 43Dig	ground	PWR100	ACC100	PP10
43	DigLevel: 43Dig	Digs underground the first turn and strikes next turn.
46	Stone EdgeLevel: 46Stone Edge	rock	PWR100	ACC80	PP5
46	Stone EdgeLevel: 46Stone Edge	Stabs the foe with stones. High critical-hit ratio.
49	Double EdgeLevel: 49Double Edge	normal	PWR0	ACC100	PP15
49	Double EdgeLevel: 49Double Edge	A life-risking tackle that also hurts the user.
52	SandstormLevel: 52Sandstorm	rock	PWR0	ACC0	PP10
52	SandstormLevel: 52Sandstorm	Causes a sandstorm that rages for several turns.

Egg Moves (10)

Move	Type	Power	Acc.	PP
FlailFlail	normal	PWR1	ACC100	PP15
FlailFlail	Inflicts more damage when the user's HP is down.
BlockBlock	normal	PWR0	ACC0	PP5
BlockBlock	Blocks the foe's way and prevents escape.
Defense CurlDefense Curl	normal	PWR0	ACC0	PP40
Defense CurlDefense Curl	Curls up to conceal weak spots and raise Defense.
RolloutRollout	rock	PWR30	ACC90	PP20
RolloutRollout	Attack lasting 5 turns with rising intensity.
Rock BlastRock Blast	rock	PWR25	ACC0	PP10
Rock BlastRock Blast	Hurls boulders at the foe 2 to 5 times in a row.
Rock ClimbRock Climb	normal	PWR90	ACC85	PP20
Rock ClimbRock Climb	A charging attack that may confuse the foe.
Heavy SlamHeavy Slam	steel	PWR1	ACC100	PP10
Heavy SlamHeavy Slam	Does more damage if the user outweighs the foe.
Stealth RockStealth Rock	rock	PWR0	ACC0	PP20
Stealth RockStealth Rock	Sets floating stones that hurt a foe switching in.
RototillerRototiller	ground	PWR0	ACC0	PP10
RototillerRototiller	Ups the Attack and Sp. Atk of Grass-type Pokémon.
Wide GuardWide Guard	rock	PWR0	ACC0	PP10
Wide GuardWide Guard	Evades wide-ranging attacks for one turn.

Gen 3 Moves

Used when the “Pokémon Movepool” challenge setting is set to Gen 3.

Level Up (11)

Level	Move	Type	Power	Acc.	PP
1	TackleLevel: 1Tackle	normal	PWR35	ACC0	PP35
1	TackleLevel: 1Tackle	Charges the foe with a full- body tackle.
1	ScreechLevel: 1Screech	normal	PWR0	ACC85	PP40
1	ScreechLevel: 1Screech	Emits a screech to sharply reduce the foe's Defense.
9	BindLevel: 9Bind	normal	PWR15	ACC0	PP20
9	BindLevel: 9Bind	Binds and squeezes the foe for turns.
13	Rock ThrowLevel: 13Rock Throw	rock	PWR50	ACC0	PP15
13	Rock ThrowLevel: 13Rock Throw	Throws small rocks to strike the foe.
21	HardenLevel: 21Harden	normal	PWR0	ACC0	PP30
21	HardenLevel: 21Harden	Stiffens the body's muscles to raise Defense.
25	RageLevel: 25Rage	normal	PWR20	ACC100	PP20
25	RageLevel: 25Rage	Raises the user's Attack every time it is hit.
33	SandstormLevel: 33Sandstorm	rock	PWR0	ACC0	PP10
33	SandstormLevel: 33Sandstorm	Causes a sandstorm that rages for several turns.
37	SlamLevel: 37Slam	normal	PWR80	ACC75	PP20
37	SlamLevel: 37Slam	Slams the foe with a long tail, vine, etc.
45	Iron TailLevel: 45Iron Tail	steel	PWR100	ACC75	PP15
45	Iron TailLevel: 45Iron Tail	Attacks with a rock-hard tail. May lower Defense.
49	Sand TombLevel: 49Sand Tomb	ground	PWR0	ACC0	PP15
49	Sand TombLevel: 49Sand Tomb	Traps and hurts the foe in quicksand for turns.
57	Double EdgeLevel: 57Double Edge	normal	PWR0	ACC100	PP15
57	Double EdgeLevel: 57Double Edge	A life-risking tackle that also hurts the user.

Egg Moves (4)

Move	Type	Power	Acc.	PP
Rock SlideRock Slide	rock	PWR75	ACC90	PP10
Rock SlideRock Slide	Hits the foe with an avalanche of rocks.
FlailFlail	normal	PWR1	ACC100	PP15
FlailFlail	Inflicts more damage when the user's HP is down.
ExplosionExplosion	normal	PWR0	ACC100	PP5
ExplosionExplosion	Inflicts severe damage but makes the user faint.
BlockBlock	normal	PWR0	ACC0	PP5
BlockBlock	Blocks the foe's way and prevents escape.

TM/HM Moves (38)

Move	Type	Power	Acc.	PP
AttractAttract	normal	PWR0	ACC100	PP15	TM45TM45
AttractAttract	Makes the opposite gender less likely to attack.
CaptivateCaptivate	normal	PWR0	ACC100	PP20	TM78TM78
CaptivateCaptivate	Makes the opposite gender sharply reduce its Sp. Atk.
DigDig	ground	PWR100	ACC100	PP10	TM28TM28
DigDig	Digs underground the first turn and strikes next turn.
Double TeamDouble Team	normal	PWR0	ACC0	PP15	TM32TM32
Double TeamDouble Team	Creates illusory copies to raise evasiveness.
Dragon PulseDragon Pulse	dragon	PWR0	ACC100	PP10	TM59TM59
Dragon PulseDragon Pulse	Generates a shock wave to damage the foe.
EarthquakeEarthquake	ground	PWR100	ACC100	PP10	TM26TM26
EarthquakeEarthquake	A powerful quake that hits all other POKéMON.
EndureEndure	normal	PWR0	ACC0	PP10	TM58TM58
EndureEndure	Endures any attack for 1 turn, leaving at least 1HP.
ExplosionExplosion	normal	PWR0	ACC100	PP5	TM64TM64
ExplosionExplosion	Inflicts severe damage but makes the user faint.
FacadeFacade	normal	PWR70	ACC100	PP20	TM42TM42
FacadeFacade	Boosts power when burned, paralyzed, or poisoned.
Flash CannonFlash Cannon	steel	PWR80	ACC100	PP10	TM91TM91
Flash CannonFlash Cannon	Releases a blast of light that may lower Sp. Def.
FrustrationFrustration	normal	PWR1	ACC100	PP20	TM21TM21
FrustrationFrustration	Attack that is stronger if the Trainer is disliked.
Gyro BallGyro Ball	steel	PWR1	ACC100	PP5	TM74TM74
Gyro BallGyro Ball	A high-speed spin that does more damage to faster foes.
Hidden PowerHidden Power	normal	PWR0	ACC100	PP15	TM10TM10
Hidden PowerHidden Power	The type varies with the user.The type and effectiveness vary with the user.
Iron TailIron Tail	steel	PWR100	ACC75	PP15	TM23TM23
Iron TailIron Tail	Attacks with a rock-hard tail. May lower Defense.
Natural GiftNatural Gift	normal	PWR1	ACC100	PP15	TM83TM83
Natural GiftNatural Gift	The effectiveness varies with the held Berry.
PaybackPayback	dark	PWR50	ACC100	PP10	TM66TM66
PaybackPayback	Attack that gains power if the user moves last.
ProtectProtect	normal	PWR0	ACC0	PP10	TM17TM17
ProtectProtect	Evades attack, but may fail if used in succession.
Psych UpPsych Up	normal	PWR0	ACC0	PP10	TM77TM77
Psych UpPsych Up	Copies foe's stat changes and gives to the user.
RestRest	psychic	PWR0	ACC0	PP0	TM44TM44
RestRest	The user sleeps for 2 turns, restoring HP and status.
ReturnReturn	normal	PWR1	ACC100	PP20	TM27TM27
ReturnReturn	Attack that increases in power with friendship.
RoarRoar	normal	PWR0	ACC0	PP20	TM05TM05
RoarRoar	Switches the foe out or ends wild battle.
Rock ClimbRock Climb	normal	PWR90	ACC85	PP20	TM70TM70
Rock ClimbRock Climb	A charging attack that may confuse the foe.
Rock PolishRock Polish	rock	PWR0	ACC0	PP20	TM69TM69
Rock PolishRock Polish	Polishes the body to sharply raise Speed.
Rock SlideRock Slide	rock	PWR75	ACC90	PP10	TM80TM80
Rock SlideRock Slide	Hits the foe with an avalanche of rocks.
Rock SmashRock Smash	fighting	PWR0	ACC100	PP15	HM06HM06
Rock SmashRock Smash	A rock-crushing attack that may lower Defense.
Rock TombRock Tomb	rock	PWR0	ACC0	PP0	TM39TM39
Rock TombRock Tomb	Stops the foe from moving with rocks and cuts Speed.
SandstormSandstorm	rock	PWR0	ACC0	PP10	TM37TM37
SandstormSandstorm	Causes a sandstorm that rages for several turns.
Secret PowerSecret Power	normal	PWR70	ACC100	PP20	TM43TM43
Secret PowerSecret Power	Attack with effects that vary by location.
Sleep TalkSleep Talk	normal	PWR0	ACC0	PP10	TM82TM82
Sleep TalkSleep Talk	Uses an available move randomly while asleep.
Stealth RockStealth Rock	rock	PWR0	ACC0	PP20	TM76TM76
Stealth RockStealth Rock	Sets floating stones that hurt a foe switching in.
Stone EdgeStone Edge	rock	PWR100	ACC80	PP5	TM71TM71
Stone EdgeStone Edge	Stabs the foe with stones. High critical-hit ratio.
StrengthStrength	normal	PWR80	ACC100	PP15	HM04HM04
StrengthStrength	Builds enormous power, then slams the foe.
SubstituteSubstitute	normal	PWR0	ACC0	PP10	TM90TM90
SubstituteSubstitute	Creates a decoy using 1/4 of the user's maximum HP.
Sunny DaySunny Day	fire	PWR0	ACC0	PP5	TM11TM11
Sunny DaySunny Day	Boosts the power of Fire- type moves for 5 turns.
SwaggerSwagger	normal	PWR0	ACC0	PP15	TM87TM87
SwaggerSwagger	Confuses the foe, but also sharply raises its Attack.
TauntTaunt	dark	PWR0	ACC100	PP20	TM12TM12
TauntTaunt	Taunts the foe into only using attack moves.
TormentTorment	dark	PWR0	ACC100	PP15	TM41TM41
TormentTorment	Torments the foe and stops successive use of a move.
ToxicToxic	poison	PWR0	ACC0	PP10	TM06TM06
ToxicToxic	Poisons the foe with an intensifying toxin.

Related Guides

Type Matchup Strategies
Master type advantages and STAB moves

Type Summary

Weaknesses

Resistances

Immunities

Neutral

Weaknesses

Types that deal increased damage to Onix. Use these types to counter it effectively.

water4×grass4×ice2×fighting2×ground2×steel2×

Resistances & Immunities

Types that Onix resists or is immune to. Avoid using these types against it.

Immunities (0×)

electric

poison0.25×normal0.5×fire0.5×flying0.5×rock0.5×

Best Counters

Pokémon that have type advantages against Onix, either offensively or defensively.

Onixin Pokémon Heart & Soul

Pokédex Entry