Onix | Pokédex

Gen I Gen II Gen III Gen IV Gen V Gen VI Gen VII Gen VIII Gen IX

Ruby/Sapphire

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.

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.

Firered

It usually lives underground. It searches for food while boring its way through the ground at 50 miles per hour.

Leafgreen

As it grows, the stone portions of its body harden to become similar to black-colored diamonds.

Evolution Chain

Onix

🔄

Trade

holding metal coat

Steelix

Pokédex Data

Classification Rock Snake Pokémon

Height 8.8 m (28'10")

Weight 210.0 kg (463.0 lbs)

Abilities

Held Items

Hard Stone 5%

Game Locations

Kanto Victory Road 2 1f
Kanto Victory Road 2 2f
Kanto Victory Road 2 3f
Rock Tunnel 1f
Rock Tunnel B1f
Sevault Canyon Area

Training

EV Yield +1 defense

Catch Rate 45

Base Friendship 70

Growth Rate medium

Gender Ratio

♂ ♀

Egg Groups Mineral

Learned Moves

Level Up Moves

Ruby/Sapphire

Lvl	Name	Power	Acc.	PP	Effect
1	Tackle	40	100%	35	Inflicts regular damage with no additional effect.
1	Screech	—	85%	40	Lowers the target's Defense by two stages.
9	Bind	15	85%	20	Prevents the target from fleeing and inflicts damage for 2-5 turns.
13	Rock Throw	50	90%	15	Inflicts regular damage with no additional effect.
21	Harden	—	—	30	Raises the user's Defense by one stage.
25	Rage	20	100%	20	If the user is hit after using this move, its Attack rises by one stage.
33	Sandstorm	—	—	10	Changes the weather to a sandstorm for five turns.
37	Slam	80	75%	20	Inflicts regular damage with no additional effect.
45	Iron Tail	100	75%	15	Has a 30% chance to lower the target's Defense by one stage.
49	Sand Tomb	35	85%	15	Prevents the target from fleeing and inflicts damage for 2-5 turns.
57	Double Edge	120	100%	15	User receives 1/3 the damage inflicted in recoil.

Emerald

Lvl	Name	Power	Acc.	PP	Effect
1	Tackle	40	100%	35	Inflicts regular damage with no additional effect.
1	Screech	—	85%	40	Lowers the target's Defense by two stages.
9	Bind	15	85%	20	Prevents the target from fleeing and inflicts damage for 2-5 turns.
13	Rock Throw	50	90%	15	Inflicts regular damage with no additional effect.
21	Harden	—	—	30	Raises the user's Defense by one stage.
25	Rage	20	100%	20	If the user is hit after using this move, its Attack rises by one stage.
33	Sandstorm	—	—	10	Changes the weather to a sandstorm for five turns.
37	Slam	80	75%	20	Inflicts regular damage with no additional effect.
45	Iron Tail	100	75%	15	Has a 30% chance to lower the target's Defense by one stage.
49	Sand Tomb	35	85%	15	Prevents the target from fleeing and inflicts damage for 2-5 turns.
57	Double Edge	120	100%	15	User receives 1/3 the damage inflicted in recoil.

FireRed/LeafGreen

Lvl	Name	Power	Acc.	PP	Effect
1	Tackle	40	100%	35	Inflicts regular damage with no additional effect.
1	Screech	—	85%	40	Lowers the target's Defense by two stages.
8	Bind	15	85%	20	Prevents the target from fleeing and inflicts damage for 2-5 turns.
12	Rock Throw	50	90%	15	Inflicts regular damage with no additional effect.
19	Harden	—	—	30	Raises the user's Defense by one stage.
23	Rage	20	100%	20	If the user is hit after using this move, its Attack rises by one stage.
30	Dragon Breath	60	100%	20	Has a 30% chance to paralyze the target.
34	Sandstorm	—	—	10	Changes the weather to a sandstorm for five turns.
41	Slam	80	75%	20	Inflicts regular damage with no additional effect.
45	Iron Tail	100	75%	15	Has a 30% chance to lower the target's Defense by one stage.
52	Sand Tomb	35	85%	15	Prevents the target from fleeing and inflicts damage for 2-5 turns.
56	Double Edge	120	100%	15	User receives 1/3 the damage inflicted in recoil.

TM/HM Moves

Ruby/SapphireEmeraldFireRed/LeafGreen

Name	Power	Acc.	PP	Effect
HM04 Strength	80	100%	15	Inflicts regular damage with no additional effect.
HM06 Rock Smash	40	100%	15	Has a 50% chance to lower the target's Defense by one stage.
TM05 Roar	—	—	20	Immediately ends wild battles. Forces trainers to switch Pokémon.
TM06 Toxic	—	90%	10	Badly poisons the target, inflicting more damage every turn.
TM10 Hidden Power	60	100%	15	Power and type depend upon user's IVs. Power can range from 30 to 70.
TM11 Sunny Day	—	—	5	Changes the weather to sunny for five turns.
TM12 Taunt	—	100%	20	For the next few turns, the target can only use damaging moves.
TM17 Protect	—	—	10	Prevents any moves from hitting the user this turn.
TM21 Frustration	—	100%	20	Power increases as happiness decreases, up to a maximum of 102.
TM23 Iron Tail	100	75%	15	Has a 30% chance to lower the target's Defense by one stage.
TM26 Earthquake	100	100%	10	Inflicts regular damage and can hit Dig users.
TM27 Return	—	100%	20	Power increases with happiness, up to a maximum of 102.
TM28 Dig	80	100%	10	User digs underground, dodging all attacks, and hits next turn.
TM32 Double Team	—	—	15	Raises the user's evasion by one stage.
TM37 Sandstorm	—	—	10	Changes the weather to a sandstorm for five turns.
TM39 Rock Tomb	60	95%	15	Has a 100% chance to lower the target's Speed by one stage.
TM41 Torment	—	100%	15	Prevents the target from using the same move twice in a row.
TM42 Facade	70	100%	20	Power doubles if user is burned, paralyzed, or poisoned.
TM43 Secret Power	70	100%	20	Has a 30% chance to inflict a status effect which depends upon the terrain.
TM44 Rest	—	—	5	User sleeps for two turns, completely healing itself.
TM45 Attract	—	100%	15	Target falls in love if it has the opposite gender, and has a 50% chance to refuse attacking the user.

Tutor Moves

Emerald

Name	Power	Acc.	PP	Effect
Body Slam	85	100%	15	Has a 30% chance to paralyze the target.
Double Edge	120	100%	15	User receives 1/3 the damage inflicted in recoil.
Endure	—	—	10	Prevents the user's HP from lowering below 1 this turn.
Explosion	250	100%	5	User faints.
Mimic	—	—	10	Copies the target's last used move.
Mud Slap	20	100%	10	Has a 100% chance to lower the target's accuracy by one stage.
Psych Up	—	—	10	Discards the user's stat changes and copies the target's.
Rock Slide	75	90%	10	Has a 30% chance to make the target flinch.
Sleep Talk	—	—	10	Randomly uses one of the user's other three moves. Only works if the user is sleeping.
Snore	50	100%	15	Has a 30% chance to make the target flinch. Only works if the user is sleeping.
Substitute	—	—	10	Transfers 1/4 of the user's max HP into a doll, protecting the user from further damage or status changes until it breaks.
Swagger	—	85%	15	Raises the target's Attack by two stages and confuses the target.

FireRed/LeafGreen

Name	Power	Acc.	PP	Effect
Body Slam	85	100%	15	Has a 30% chance to paralyze the target.
Double Edge	120	100%	15	User receives 1/3 the damage inflicted in recoil.
Explosion	250	100%	5	User faints.
Mimic	—	—	10	Copies the target's last used move.
Rock Slide	75	90%	10	Has a 30% chance to make the target flinch.
Substitute	—	—	10	Transfers 1/4 of the user's max HP into a doll, protecting the user from further damage or status changes until it breaks.

Egg Moves

Ruby/SapphireEmeraldFireRed/LeafGreen

Name	Power	Acc.	PP	Effect
Block	—	—	5	Prevents the target from leaving battle.
Explosion	250	100%	5	User faints.
Flail	—	100%	15	Inflicts more damage when the user has less HP remaining, with a maximum of 200 power.
Rock Slide	75	90%	10	Has a 30% chance to make the target flinch.

Base Stats

Hp 35

Attack 45

Defense 160

Sp. Atk 30

Sp. Def 45

Speed 70

Total 385

Type Defenses

(vs. Gen 6+ rules)

0.5x

0.25x

0.5x