Onix

Contents
Info
Base stats
Evolution chart
Pokédex entries
Moves learned
Sprites
Locations
Language

Onix is a Rock/Ground type Pokémon introduced in Generation 1. It is known as the Rock Snake Pokémon.

Pokédex data

National №	095
Type	Rock Ground
Species	Rock Snake Pokémon
Height	8.8 m (28′10″)
Weight	210.0 kg (463.0 lbs)
Abilities	1. Rock Head 2. Sturdy Weak Armor (hidden ability)
Local №	095 (Red/Blue/Yellow) 062 (Gold/Silver/Crystal) 095 (FireRed/LeafGreen) 034 (Diamond/Pearl) 034 (Platinum) 062 (HeartGold/SoulSilver) 071 (Black 2/White 2) 053 (X/Y — Coastal Kalos) 095 (Let's Go Pikachu/Let's Go Eevee)

Training

EV yield	1 Defense
Catch rate	45 (5.9% with PokéBall, full HP)
Base Friendship	70 (normal)
Base Exp.	77
Growth Rate	Medium Fast

Breeding

Egg Groups	Mineral
Gender	50% male, 50% female
Egg cycles	25 (6,169–6,425 steps)

Base stats

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	Min	Max

The ranges shown on the right are for a level 100 Pokémon. Maximum values are based on a beneficial nature, 252 EVs, 31 IVs; minimum values are based on a hindering nature, 0 EVs, 0 IVs.

Type defenses

The effectiveness of each type on Onix.

Nor	Fir	Wat	Ele	Gra	Ice	Fig	Poi	Gro
½	½	4	0	4	2	2	¼	2

Fly	Psy	Bug	Roc	Gho	Dra	Dar	Ste	Fai
½			½				2

Evolution chart

#095
Onix
Rock · Ground

(trade holding Metal Coat)

#208
Steelix
Steel · Ground

Onix changes

In Generation 1, Onix has a base Special stat of 30.
In Generations 1-4, Onix has a base experience yield of 108.

Pokédex entries

Red Blue	As it grows, the stone portions of its body harden to become similar to a diamond, but colored black.
Yellow	Burrows at high speed in search of food. The tunnels it leaves are used as homes by DIGLETTs.
Gold	It twists and squirms through the ground. The thunderous roar of its tunneling echoes a long way.
Silver	It rapidly bores through the ground at 50 mph by squirming and twisting its massive, rugged body.
Crystal	As it digs through the ground, it absorbs many hard objects. This is what makes its body so solid.
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.
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.
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.
Diamond	When it travels underground, it causes rumbling and tremors. It can move at 50 mph.
Pearl	It squirms through the ground using its long and rugged body. It always eats while burrowing.
Platinum	It burrows through the ground at a speed of 50 mph while feeding on large boulders.
HeartGold	It twists and squirms through the ground. The thunderous roar of its tunneling echoes a long way.
SoulSilver	It rapidly bores through the ground at 50 mph by squirming and twisting its massive, rugged body.
Black White	It burrows through the ground at a speed of 50 mph while feeding on large boulders.
Black 2 White 2	Opening its large mouth, it ingests massive amounts of soil and creates long tunnels.
X	Burrows at high speed in search of food. The tunnels it leaves are used as homes by Diglett.
Y	It usually lives underground. It searches for food while boring its way through the ground at 50 miles per hour.
Omega Ruby Alpha 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.
Let's Go Pikachu Let's Go Eevee	Burrows at high speed in search of food. The tunnels it leaves are used as homes by Diglett.

Moves learned by Onix

In other generations
1
2
3
4
5
6
7

Let's Go Pikachu/Let's Go Eevee Ultra Sun/Ultra Moon

Moves learnt by level up

Onix learns the following moves in Pokémon Let's Go Pikachu & Let's Go Eevee at the levels specified.

Lv.	Move	Type	Power	Acc.
1	Bind	Normal	15	85
1	Harden	Normal	—	—
1	Rock Throw	Rock	50	90
1	Tackle	Normal	40	100
5	Stealth Rock	Rock	—	—
10	Rage	Normal	20	100
15	Screech	Normal	—	85
20	Dig	Ground	80	100
25	Slam	Normal	80	75
30	Rock Slide	Rock	75	90
35	Earthquake	Ground	100	100
40	Iron Tail	Steel	100	75
45	Double-Edge	Normal	120	100

Moves learnt by TM

Onix is compatible with these Technical Machines in Pokémon Let's Go Pikachu & Let's Go Eevee:

TM	Move	Type	Power	Acc.
01	Headbutt	Normal	70	100
02	Taunt	Dark	—	100
05	Rest	Psychic	—	—
07	Protect	Normal	—	—
08	Substitute	Normal	—	—
10	Dig	Ground	80	100
12	Facade	Normal	70	100
17	Dragon Tail	Dragon	60	90
19	Iron Tail	Steel	100	75
22	Rock Slide	Rock	75	90
27	Toxic	Poison	—	90
34	Dragon Pulse	Dragon	85	100
41	Earthquake	Ground	100	100
42	Self-Destruct	Normal	200	100
54	Flash Cannon	Steel	80	100
56	Stealth Rock	Rock	—	—

Moves learnt by level up

Onix learns the following moves in Pokémon Ultra Sun & Ultra Moon at the levels specified.

Lv.	Move	Type	Power	Acc.
1	Bind	Normal	15	85
1	Harden	Normal	—	—
1	Mud Sport	Ground	—	—
1	Tackle	Normal	40	100
4	Curse	Ghost	—	—
7	Rock Throw	Rock	50	90
10	Rock Tomb	Rock	60	95
13	Rage	Normal	20	100
16	Stealth Rock	Rock	—	—
19	Rock Polish	Rock	—	—
20	Gyro Ball	Steel	—	100
22	Smack Down	Rock	50	100
25	Dragon Breath	Dragon	60	100
28	Slam	Normal	80	75
31	Screech	Normal	—	85
34	Rock Slide	Rock	75	90
37	Sand Tomb	Ground	35	85
40	Iron Tail	Steel	100	75
43	Dig	Ground	80	100
46	Stone Edge	Rock	100	80
49	Double-Edge	Normal	120	100
52	Sandstorm	Rock	—	—

Egg moves

Onix learns the following moves via breeding in Pokémon Ultra Sun & Ultra Moon. Details and compatible parents can be found on the Onix egg moves page.

Move	Type	Power	Acc.
Block	Normal	—	—
Defense Curl	Normal	—	—
Flail	Normal	—	100
Heavy Slam	Steel	—	100
Rock Blast	Rock	25	90
Rock Climb	Normal	90	85
Rollout	Rock	30	90
Rototiller	Ground	—	—
Stealth Rock	Rock	—	—
Wide Guard	Rock	—	—

Move Tutor moves

Onix can be taught these attacks in Pokémon Ultra Sun & Ultra Moon from move tutors (details):

Move	Type	Power	Acc.
Bind	Normal	15	85
Block	Normal	—	—
Dragon Pulse	Dragon	85	100
Earth Power	Ground	90	100
Iron Head	Steel	80	100
Iron Tail	Steel	100	75
Snore	Normal	50	100
Stealth Rock	Rock	—	—
Stomping Tantrum	Ground	75	100

Moves learnt by TM

Onix is compatible with these Technical Machines in Pokémon Ultra Sun & Ultra Moon:

TM	Move	Type	Power	Acc.
05	Roar	Normal	—	—
06	Toxic	Poison	—	90
10	Hidden Power	Normal	60	100
11	Sunny Day	Fire	—	—
12	Taunt	Dark	—	100
17	Protect	Normal	—	—
21	Frustration	Normal	—	100
23	Smack Down	Rock	50	100
26	Earthquake	Ground	100	100
27	Return	Normal	—	100
32	Double Team	Normal	—	—
37	Sandstorm	Rock	—	—
39	Rock Tomb	Rock	60	95
41	Torment	Dark	—	100
42	Facade	Normal	70	100
44	Rest	Psychic	—	—
45	Attract	Normal	—	100
48	Round	Normal	60	100
59	Brutal Swing	Dark	60	100
64	Explosion	Normal	250	100
66	Payback	Dark	50	100
69	Rock Polish	Rock	—	—
71	Stone Edge	Rock	100	80
74	Gyro Ball	Steel	—	100
77	Psych Up	Normal	—	—
78	Bulldoze	Ground	60	100
80	Rock Slide	Rock	75	90
82	Dragon Tail	Dragon	60	90
87	Swagger	Normal	—	85
88	Sleep Talk	Normal	—	—
90	Substitute	Normal	—	—
91	Flash Cannon	Steel	80	100
96	Nature Power	Normal	—	—
100	Confide	Normal	—	—

Transfer-only moves

Onix can only learn these moves in previous generations. It must be taught the moves in the appropriate game and then transferred to Pokémon Ultra Sun & Ultra Moon.
Note: Generation 1 and 2 refer to the 3DS Virtual Console titles, not the physical cartridges.

Move	Type	Power	Acc.	Method
Bide	Normal	—	—	Generation 1 — TM
Fissure	Ground	—	—	Generation 1 — TM
Self-Destruct	Normal	200	100	Generation 1 — TM
Skull Bash	Normal	130	100	Generation 1 — TM
Take Down	Normal	90	85	Generation 1 — TM
Body Slam	Normal	85	100	Generation 3 — Move tutor
Mimic	Normal	—	—	Generation 3 — Move tutor
Captivate	Normal	—	100	Generation 4 — TM
Endure	Normal	—	—	Generation 4 — TM
Natural Gift	Normal	—	100	Generation 4 — TM
Ancient Power	Rock	60	100	Generation 4 — Move tutor
Headbutt	Normal	70	100	Generation 4 — Move tutor
Mud-Slap	Ground	20	100	Generation 4 — Move tutor
Twister	Dragon	40	100	Generation 4 — Move tutor
Rock Smash	Fighting	40	100	Generation 6 — TM
Secret Power	Normal	70	100	Generation 6 — TM
Strength	Normal	80	100	Generation 6 — HM

In other generations
1
2
3
4
5
6
7

Onix sprites

Type	Generation 1	Generation 2	Generation 3	Generation 4	Generation 5	Generation 6	Generation 7
Normal							—
Shiny	—						—

See all Onix sprites

Where to find Onix

Red Blue Yellow	Rock Tunnel, Victory Road
Gold Silver Crystal	Mt. Silver, Rock Tunnel, Union Cave, Violet City, Victory Road
Ruby Sapphire	Trade/migrate from another game
FireRed LeafGreen	Rock Tunnel, Sevault Canyon, Victory Road
Emerald	Trade/migrate from another game
Diamond Pearl	Iron Island, Oreburgh Mine, Snowpoint Temple, Stark Mountain, Victory Road
Platinum	Iron Island, Oreburgh Mine, Victory Road, Wayward Cave
HeartGold SoulSilver	Cliff Cave, Mt. Silver, Rock Tunnel, Union Cave, Violet City, Victory Road
Black White	Relic Castle
Black 2 White 2	Twist Mountain, Victory Road, Clay Tunnel, Relic Passage, Underground Ruins
X	Cyllage City, Glittering Cave
Y	Glittering Cave
Omega Ruby Alpha Sapphire	Granite Cave, Mirage Spots
Sun Moon	Trade/migrate from another game
Ultra Sun Ultra Moon	Ten Carat Hill
Let's Go Pikachu Let's Go Eevee	Mt. Moon, Rock Tunnel, Victory Road

Answers to Onix questions

Other languages

English	Onix
Japanese	イワーク (Iwark)
German	Onix
French	Onix

Name origin

onyx: a type of rock