Onix¶

Rock Snake Pokémon

#095

Original Sinnoh: #034

Rock Ground

Onix ROM Changes

Evolution Chain Changes:

onix > steelix: trade (held: metal-coat) → onix > steelix: use-item (metal-coat)

Base Stats Changes:

35 HP / 45 Atk / 160 Def / 30 SAtk / 45 SDef / 70 Spd → 35 HP / 75 Atk / 160 Def / 30 SAtk / 45 SDef / 80 Spd

Level-up Moves Changes:

21 moves → 18 moves

Basic Information¶

Abilities
- Rock Head
- Sturdy
Physical Attributes

Height: 8.8 m

Weight: 210.0 kg
Training

Base Experience: 108

Base Happiness: 70

Capture Rate: 45

Growth Rate: Medium

Habitat: Cave

EV Yield: +1 Defense
Breeding

Gender Ratio: 50.0% ♂ / 50.0% ♀

Egg Groups: Mineral

Hatch Counter: 0 cycles
Classification

Generation: Generation I

Color: Gray

Shape: Squiggle

Type Effectiveness¶

Weak To

4× Damage

Grass Water

2× Damage

Fighting Ground Ice Steel
Resists

¼× Damage

Poison

½× Damage

Fire Flying Normal Rock
Immune To

No Damage

Electric

Base Stats¶

Stat	Base	Min	Max
HP	35	180	274
Attack	75	139	273
Defense	160	292	460
Sp. Atk	30	58	174
Sp. Def	45	85	207
Speed	80	148	284
Base Stat Total	425

Min/Max Stats: Calculated at Level 100.

Min: 0 IVs, 0 EVs, hindering nature (0.9×) for non-HP stats

Max: 31 IVs, 252 EVs, beneficial nature (1.1×) for non-HP stats

Evolution Chain¶

Stage 1¶

#095 Onix

You are here

Stage 2¶

#208 Steelix

Trade holding Metal Coat
#208 Steelix

Use Metal Coat

Pokédex Entries¶

Platinum Diamond Pearl Heartgold Soulsilver

It burrows through the ground at a speed of 50 mph while feeding on large boulders.

When it travels underground, it causes rumbling and tremors. It can move at 50 mph.

It squirms through the ground using its long and rugged body. It always eats while burrowing.

It twists and squirms through the ground. The thunderous roar of its tunneling echoes a long way.

It rapidly bores through the ground at 50 mph by squirming and twisting its massive, rugged body.

Moves¶

Level-Up TM/HM Egg Moves Tutor

Level	Move	Type	Category	Power	Accuracy	PP
1	Mud Sport	Ground	Status	—	—	15
1	Tackle	Normal	Physical	40	100	35
1	Harden	Normal	Status	—	—	30
1	Bind	Normal	Physical	15	85	20
4	Curse	Ghost	Status	—	—	10
7	Rock Throw	Rock	Physical	50	90	15
10	Bulldoze	Ground	Physical	60	100	20
13	Rock Tomb	Rock	Physical	60	95	15
16	Rage	Normal	Physical	20	100	20
19	Dragon Breath	Dragon	Special	60	100	20
22	Dig	Ground	Physical	80	100	10
25	Rock Slide	Rock	Physical	75	90	10
28	Slam	Normal	Physical	80	75	20
31	Screech	Normal	Status	—	85	40
34	Rock Polish	Rock	Status	—	—	20
37	Stone Edge	Rock	Physical	100	80	5
40	Double Edge	Normal	Physical	120	100	15
43	Sandstorm	Rock	Status	—	—	10

Move	Type	Category	Power	Accuracy	PP
Attract	Normal	Status	—	100	15
Captivate	Normal	Status	—	100	20
Dig	Ground	Physical	80	100	10
Double Team	Normal	Status	—	—	15
Dragon Pulse	Dragon	Special	85	100	10
Earthquake	Ground	Physical	100	100	10
Endure	Normal	Status	—	—	10
Explosion	Normal	Physical	250	100	5
Facade	Normal	Physical	70	100	20
Flash Cannon	Steel	Special	80	100	10
Frustration	Normal	Physical	—	100	20
Gyro Ball	Steel	Physical	—	100	5
Hidden Power	Normal	Special	60	100	15
Iron Tail	Steel	Physical	100	75	15
Natural Gift	Normal	Physical	—	100	15
Payback	Dark	Physical	50	100	10
Protect	Normal	Status	—	—	10
Psych Up	Normal	Status	—	—	10
Rest	Psychic	Status	—	—	5
Return	Normal	Physical	—	100	20
Roar	Normal	Status	—	—	20
Rock Climb	Rock	Physical	80	95	10
Rock Polish	Rock	Status	—	—	20
Rock Slide	Rock	Physical	75	90	10
Rock Smash	Fighting	Physical	60	100	15
Rock Tomb	Rock	Physical	60	95	15
Sandstorm	Rock	Status	—	—	10
Secret Power	Normal	Physical	70	100	20
Sleep Talk	Normal	Status	—	—	10
Stealth Rock	Rock	Status	—	—	20
Stone Edge	Rock	Physical	100	80	5
Strength	Normal	Physical	100	100	15
Substitute	Normal	Status	—	—	10
Sunny Day	Fire	Status	—	—	5
Swagger	Normal	Status	—	85	15
Taunt	Dark	Status	—	100	20
Torment	Dark	Status	—	100	15
Toxic	Poison	Status	—	90	10

Move	Type	Category	Power	Accuracy	PP
Block	Normal	Status	—	—	5
Defense Curl	Normal	Status	—	—	40
Explosion	Normal	Physical	250	100	5
Flail	Normal	Physical	—	100	15
Rock Blast	Rock	Physical	25	90	10
Rock Slide	Rock	Physical	75	90	10
Rollout	Rock	Physical	30	90	20

Move	Type	Category	Power	Accuracy	PP
Ancient Power	Rock	Special	60	100	5
Block	Normal	Status	—	—	5
Earth Power	Ground	Special	90	100	10
Headbutt	Normal	Physical	70	100	15
Iron Head	Steel	Physical	80	100	15
Mud Slap	Ground	Special	20	100	10
Rollout	Rock	Physical	30	90	20
Snore	Normal	Special	50	100	15
Twister	Dragon	Special	40	100	20