Essentials

Onix

Onix

Rock Ground

Abilities

Rock Head

Protects against recoil damage.

Sturdy

Prevents being KOed from full HP, leaving 1 HP instead. Protects against the one-hit KO moves regardless of HP.

Hidden Ability

Weak Armor

Raises Speed and lowers Defense by one stage each upon being hit by a physical move.

Damage Taken

  • Bug 1
  • Dark 1
  • Dragon 1
  • Electric 0
  • Fairy 1
  • Fighting 2
  • Fire ½
  • Flying ½
  • Ghost 1
  • Grass 4
  • Ground 2
  • Ice 2
  • Normal ½
  • Poison ¼
  • Psychic 1
  • Rock ½
  • Steel 2
  • Water 4

Pokédex Numbers

Introduced in
Generation 1
National
95
Kanto
95 Red, Blue, Yellow, FireRed, LeafGreen
Original Johto
62 Gold, Silver, Crystal
Original Sinnoh
34 Diamond, Pearl
Extended Sinnoh
34 Platinum
Updated Johto
62 HeartGold, SoulSilver
Updated Unova
71 Black 2, White 2
Coastal Kalos
53 X, Y

Names

Japanese
イワーク (iwaaku)
Official roomaji
Iwark
Korean
롱스톤
Chinese
大岩蛇
French
Onix
German
Onix
Spanish
Onix
Italian
Onix

Breeding

Gender
½ male, ½ female Search:
Egg groups
  • Mineral
Hatch counter
25 Search:
Steps to hatch
6630 / 3570

Compatibility

Training

Base EXP
77 Search:
Effort points
  • 1 Defense
Capture rate
45 Search:
Base happiness
70 Search:
Growth rate
medium Search:

Wild held items

Ruby, Sapphire, Emerald, Colosseum, XD nothing
FireRed, LeafGreen 5% Hard Stone Hard Stone
Generation 4 nothing
Generation 5 nothing
Generation 6 nothing

Evolution

Baby Basic Stage 1 Stage 2
Onix Steelix Trade, while holding a Metal Coat

Stats

Pctile Min IVs Max IVs
HP
35
4.2 243 274
Attack
45
13.3 158 189
Defense
160
98.8 388 419
Special Attack
30
5.5 128 159
Special Defense
45
16.6 158 189
Speed
70
56.4 208 239
Total
385
36.7

HeartGold, SoulSilver Pokéathlon Performance

★ Minimum; ✯ Base; ☆ Maximum

Speed
★★✯☆
Power
★✯
Skill
★☆
Stamina
★★✯✯
Jump
★★☆
Total
8/12/15

Flavor

Flavor Text

Generation 5
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.

Generation 6
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.

Sprites

Onix Onix Onix Onix

Miscellany

Species
Rock Snake Search:
Color
Gray Search:
Cry
Habitat FireRed, LeafGreen
cave Search:
Footprint
Onix
Shape
Caudal Search:

Height

Trainer dude

Onix
88

28'10.5"
8.8 m

Weight

Trainer dudette

Onix
2100

463.0 lb
210.0 kg

Locations

Red Red
Blue Blue
Yellow Yellow
FireRed FireRed
LeafGreen LeafGreen
Diamond Diamond
Pearl Pearl
Platinum Platinum
HeartGold HeartGold
SoulSilver SoulSilver
Black Black
White White
Black 2 Black 2
White 2 White 2

Pal Park

Area
Mountain
Score
80
Rate
10

Moves

Rock and Ground moves get STAB, and have their type highlighted in green.

Physical moves better suit Onix's higher Attack, and have their class highlighted in green.

Generation 1 Generation 2 Ruby, Sapphire
Emerald
Colosseum
XD
FireRed, LeafGreen Diamond, Pearl Platinum
HeartGold, SoulSilver
Black, White Black 2, White 2 Generation 6 Move Type Class PP Power Acc Pri Effect
Level up: Learned when a Pokémon reaches a certain level.
Mud Sport Ground status 15

Halves all Electric-type damage.

Tackle Normal physical 35 50 100%

Inflicts regular damage with no additional effect.

Harden Normal status 30

Raises the user's Defense by one stage.

Bind Normal physical 20 15 85%

Prevents the target from fleeing and inflicts damage for 2-5 turns.

4 4 Curse Ghost status 10

Ghosts pay half their max HP to hurt the target every turn. Others decrease Speed but raise Attack and Defense.

6 6 6 Screech Normal status 40 85%

Lowers the target's Defense by two stages.

15 10 9 8 Bind Normal physical 20 15 85%

Prevents the target from fleeing and inflicts damage for 2-5 turns.

19 14 13 12 9 9 9 7 7 Rock Throw Rock physical 15 50 90%

Inflicts regular damage with no additional effect.

23 21 19 Harden Normal status 30

Raises the user's Defense by one stage.

25 27 25 23 14 14 14 10 Rage Normal physical 20 20 100%

If the user is hit after using this move, its Attack rises by one stage.

17 17 17 13 10 Rock Tomb Rock physical 15 60 95%

Has a 100% chance to lower the target's Speed by one stage.

13 Rage Normal physical 20 20 100%

If the user is hit after using this move, its Attack rises by one stage.

16 16 Stealth Rock Rock status 20

Causes damage when opposing Pokémon switch in.

19 19 Rock Polish Rock status 20

Raises the user's Speed by two stages.

20 Gyro Ball Steel physical 5 * 100%

Power raises when the user has lower Speed, up to a maximum of 150.

22 22 22 Smack Down Rock physical 15 50 100%

Removes any immunity to Ground damage.

30 25 25 Dragon Breath Dragon special 20 60 100%

Has a 30% chance to paralyze the target.

36 33 34 22 22 25 Sandstorm Rock status 10

Changes the weather to a sandstorm for five turns.

33 40 37 41 25 25 28 28 Slam Normal physical 20 80 75%

Inflicts regular damage with no additional effect.

43 Harden Normal status 30

Raises the user's Defense by one stage.

31 31 Screech Normal status 40 85%

Lowers the target's Defense by two stages.

34 34 Rock Slide Rock physical 10 75 90%

Has a 30% chance to make the target flinch.

37 37 Sand Tomb Ground physical 15 35 85%

Prevents the target from fleeing and inflicts damage for 2-5 turns.

30 30 30 Rock Polish Rock status 20

Raises the user's Speed by two stages.

33 Slam Normal physical 20 80 75%

Inflicts regular damage with no additional effect.

38 Stealth Rock Rock status 20

Causes damage when opposing Pokémon switch in.

33 33 41 Dragon Breath Dragon special 20 60 100%

Has a 30% chance to paralyze the target.

38 46 Curse Ghost status 10

Ghosts pay half their max HP to hurt the target every turn. Others decrease Speed but raise Attack and Defense.

45 45 38 41 49 40 40 Iron Tail Steel physical 15 100 75%

Has a 30% chance to lower the target's Defense by one stage.

43 43 Dig Ground physical 10 80 100%

User digs underground, dodging all attacks, and hits next turn.

49 52 41 46 54 Sand Tomb Ground physical 15 35 85%

Prevents the target from fleeing and inflicts damage for 2-5 turns.

57 56 46 49 57 Double-Edge Normal physical 15 120 100%

User receives 1/3 the damage inflicted in recoil.

49 54 62 46 46 Stone Edge Rock physical 5 100 80%

Has an increased chance for a critical hit.

49 49 Double-Edge Normal physical 15 120 100%

User receives 1/3 the damage inflicted in recoil.

52 52 Sandstorm Rock status 10

Changes the weather to a sandstorm for five turns.

Generation 1 Generation 2 Ruby, Sapphire
Emerald
FireRed, LeafGreen Diamond, Pearl Platinum
HeartGold, SoulSilver
Black, White Black 2, White 2 Generation 6 Move Type Class PP Power Acc Pri Effect
Egg: Appears on a newly-hatched Pokémon, if the father had the same move.
• • • • • • • Block Normal status 5

Prevents the target from leaving battle.

• • • • • Defense Curl Normal status 40

Raises user's Defense by one stage.

• • • • Explosion Normal physical 5 250 100%

User faints.

• • • • • • • • Flail Normal physical 15 * 100%

Inflicts more damage when the user has less HP remaining, with a maximum of 200 power.

• • • Heavy Slam Steel physical 10 * 100%

Power is higher when the user weighs more than the target, up to a maximum of 120.

• • • • • Rock Blast Rock physical 10 25 90%

Hits 2-5 times in one turn.

• • • Rock Climb Normal physical 20 90 85%

Has a 20% chance to confuse the target.

• • • • • Rock Slide Rock physical 10 75 90%

Has a 30% chance to make the target flinch.

• • • • • Rollout Rock physical 20 30 90%

Power doubles every turn this move is used in succession after the first, resetting after five turns.

• Rototiller Ground status 10

Raises the Attack and Special Attack of all Grass Pokémon in battle.

• • • Stealth Rock Rock status 20

Causes damage when opposing Pokémon switch in.

Generation 1 Generation 2 Emerald
XD
FireRed, LeafGreen Diamond, Pearl Platinum
HeartGold, SoulSilver
Black, White Black 2, White 2 Generation 6 Move Type Class PP Power Acc Pri Effect
Tutor: Can be taught at any time by an NPC.
Emerald XD FireRed, LeafGreen Platinum HeartGold, SoulSilver Black 2, White 2 Ancient Power Rock special 5 60 100%

Has a 10% chance to raise all of the user's stats by one stage.

Emerald XD FireRed, LeafGreen Platinum HeartGold, SoulSilver Black 2, White 2 Bind Normal physical 20 15 85%

Prevents the target from fleeing and inflicts damage for 2-5 turns.

Emerald XD FireRed, LeafGreen Platinum HeartGold, SoulSilver Black 2, White 2 Block Normal status 5

Prevents the target from leaving battle.

Emerald XD FireRed, LeafGreen Platinum HeartGold, SoulSilver Black 2, White 2 Body Slam Normal physical 15 85 100%

Has a 30% chance to paralyze the target.

Emerald XD FireRed, LeafGreen Platinum HeartGold, SoulSilver Black 2, White 2 Double-Edge Normal physical 15 120 100%

User receives 1/3 the damage inflicted in recoil.

Emerald XD FireRed, LeafGreen Platinum HeartGold, SoulSilver Black 2, White 2 Dragon Pulse Dragon special 10 85 100%

Inflicts regular damage with no additional effect.

Emerald XD FireRed, LeafGreen Platinum HeartGold, SoulSilver Black 2, White 2 Earth Power Ground special 10 90 100%

Has a 10% chance to lower the target's Special Defense by one stage.

Emerald XD FireRed, LeafGreen Platinum HeartGold, SoulSilver Black 2, White 2 Endure Normal status 10 4

Prevents the user's HP from lowering below 1 this turn.

Emerald XD FireRed, LeafGreen Platinum HeartGold, SoulSilver Black 2, White 2 Explosion Normal physical 5 250 100%

User faints.

Emerald XD FireRed, LeafGreen Platinum HeartGold, SoulSilver Black 2, White 2 Headbutt Normal physical 15 70 100%

Has a 30% chance to make the target flinch.

Emerald XD FireRed, LeafGreen Platinum HeartGold, SoulSilver Black 2, White 2 Iron Head Steel physical 15 80 100%

Has a 30% chance to make the target flinch.

Emerald XD FireRed, LeafGreen Platinum HeartGold, SoulSilver Black 2, White 2 Iron Tail Steel physical 15 100 75%

Has a 30% chance to lower the target's Defense by one stage.

Emerald XD FireRed, LeafGreen Platinum HeartGold, SoulSilver Black 2, White 2 Mimic Normal status 10

Copies the target's last used move.

Emerald XD FireRed, LeafGreen Platinum HeartGold, SoulSilver Black 2, White 2 Mud-Slap Ground special 10 20 100%

Has a 100% chance to lower the target's accuracy by one stage.

Emerald XD FireRed, LeafGreen Platinum HeartGold, SoulSilver Black 2, White 2 Psych Up Normal status 10

Discards the user's stat changes and copies the target's.

Emerald XD FireRed, LeafGreen Platinum HeartGold, SoulSilver Black 2, White 2 Rock Slide Rock physical 10 75 90%

Has a 30% chance to make the target flinch.

Emerald XD FireRed, LeafGreen Platinum HeartGold, SoulSilver Black 2, White 2 Rollout Rock physical 20 30 90%

Power doubles every turn this move is used in succession after the first, resetting after five turns.

Emerald XD FireRed, LeafGreen Platinum HeartGold, SoulSilver Black 2, White 2 Self-Destruct Normal physical 5 200 100%

User faints.

Emerald XD FireRed, LeafGreen Platinum HeartGold, SoulSilver Black 2, White 2 Sleep Talk Normal status 10

Randomly uses one of the user's other three moves. Only works if the user is sleeping.

Emerald XD FireRed, LeafGreen Platinum HeartGold, SoulSilver Black 2, White 2 Snore Normal special 15 50 100%

Has a 30% chance to make the target flinch. Only works if the user is sleeping.

Emerald XD FireRed, LeafGreen Platinum HeartGold, SoulSilver Black 2, White 2 Stealth Rock Rock status 20

Causes damage when opposing Pokémon switch in.

Emerald XD FireRed, LeafGreen Platinum HeartGold, SoulSilver Black 2, White 2 Substitute Normal status 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.

Emerald XD FireRed, LeafGreen Platinum HeartGold, SoulSilver Black 2, White 2 Swagger Normal status 15 90%

Raises the target's Attack by two stages and confuses the target.

Emerald XD FireRed, LeafGreen Platinum HeartGold, SoulSilver Black 2, White 2 Twister Dragon special 20 40 100%

Has a 20% chance to make the target flinch.

Generation 1 Generation 2 Ruby, Sapphire
Emerald
Colosseum
XD
FireRed, LeafGreen Diamond, Pearl Platinum
HeartGold, SoulSilver
Black, White Black 2, White 2 Generation 6 Move Type Class PP Power Acc Pri Effect
Machine: Can be taught at any time by using a TM or HM.
02 Headbutt Normal physical 15 70 100%

Has a 30% chance to make the target flinch.

03 Curse Ghost status 10

Ghosts pay half their max HP to hurt the target every turn. Others decrease Speed but raise Attack and Defense.

05 05 05 05 05 05 05 05 Roar Normal status 20 -6

Immediately ends wild battles. Forces trainers to switch Pokémon.

06 06 06 06 06 06 06 06 06 Toxic Poison status 10 90%

Badly poisons the target, inflicting more damage every turn.

08 Rock Smash Fighting physical 15 40 100%

Has a 50% chance to lower the target's Defense by one stage.

10 10 10 10 10 10 10 10 Hidden Power Normal special 15 60 100%

Power and type depend upon user's IVs. Power can range from 30 to 70.

11 11 11 11 11 11 11 11 Sunny Day Fire status 5

Changes the weather to sunny for five turns.

13 Snore Normal special 15 50 100%

Has a 30% chance to make the target flinch. Only works if the user is sleeping.

12 12 12 12 12 12 12 Taunt Dark status 20 100%

For the next few turns, the target can only use damaging moves.

08 Body Slam Normal physical 15 85 100%

Has a 30% chance to paralyze the target.

17 17 17 17 17 17 17 17 Protect Normal status 10 4

Prevents any moves from hitting the user this turn.

20 Endure Normal status 10 4

Prevents the user's HP from lowering below 1 this turn.

21 21 21 21 21 21 21 21 Frustration Normal physical 20 * 100%

Power increases as happiness decreases, up to a maximum of 102.

23 23 23 Smack Down Rock physical 15 50 100%

Removes any immunity to Ground damage.

23 23 23 23 23 Iron Tail Steel physical 15 100 75%

Has a 30% chance to lower the target's Defense by one stage.

09 Take Down Normal physical 20 90 85%

User receives 1/4 the damage it inflicts in recoil.

10 Double-Edge Normal physical 15 120 100%

User receives 1/3 the damage inflicted in recoil.

20 Rage Normal physical 20 20 100%

If the user is hit after using this move, its Attack rises by one stage.

26 26 26 26 26 26 26 26 26 Earthquake Ground physical 10 100 100%

Inflicts regular damage and can hit Dig users.

27 27 27 27 27 27 27 27 Return Normal physical 20 * 100%

Power increases with happiness, up to a maximum of 102.

27 Fissure Ground physical 5 * 30%

Causes a one-hit KO.

28 28 28 28 28 28 28 28 28 Dig Ground physical 10 80 100%

User digs underground, dodging all attacks, and hits next turn.

31 Mud-Slap Ground special 10 20 100%

Has a 100% chance to lower the target's accuracy by one stage.

31 Mimic Normal status 10

Copies the target's last used move.

32 32 32 32 32 32 32 32 32 Double Team Normal status 15

Raises the user's evasion by one stage.

34 Swagger Normal status 15 90%

Raises the target's Attack by two stages and confuses the target.

35 Sleep Talk Normal status 10

Randomly uses one of the user's other three moves. Only works if the user is sleeping.

37 37 37 37 37 37 37 37 Sandstorm Rock status 10

Changes the weather to a sandstorm for five turns.

39 39 39 39 39 39 39 Rock Tomb Rock physical 15 60 95%

Has a 100% chance to lower the target's Speed by one stage.

41 41 41 41 41 41 41 Torment Dark status 15 100%

Prevents the target from using the same move twice in a row.

42 42 42 42 42 42 42 Facade Normal physical 20 70 100%

Power doubles if user is burned, paralyzed, or poisoned.

43 43 43 43 Secret Power Normal physical 20 70 100%

Has a 30% chance to inflict a status effect which depends upon the terrain.

34 Bide Normal physical 10 * 1

User waits for two turns, then hits back for twice the damage it took.

36 Self-Destruct Normal physical 5 200 100%

User faints.

40 Skull Bash Normal physical 10 130 100%

Raises the user's Defense by one stage. User charges for one turn before attacking.

44 44 44 44 44 44 44 44 44 Rest Psychic status 10

User sleeps for two turns, completely healing itself.

47 Explosion Normal physical 5 250 100%

User faints.

48 Rock Slide Rock physical 10 75 90%

Has a 30% chance to make the target flinch.

45 45 45 45 45 45 45 45 Attract Normal status 15 100%

Target falls in love if it has the opposite gender, and has a 50% chance to refuse attacking the user.

58 58 Endure Normal status 10 4

Prevents the user's HP from lowering below 1 this turn.

59 59 Dragon Pulse Dragon special 10 85 100%

Inflicts regular damage with no additional effect.

48 48 48 Round Normal special 15 60 100%

Has double power if it's used more than once per turn.

64 64 64 64 64 Explosion Normal physical 5 250 100%

User faints.

66 66 66 66 66 Payback Dark physical 10 50 100%

Power is doubled if the target has already moved this turn.

69 69 69 69 69 Rock Polish Rock status 20

Raises the user's Speed by two stages.

71 71 71 71 71 Stone Edge Rock physical 5 100 80%

Has an increased chance for a critical hit.

74 74 74 74 74 Gyro Ball Steel physical 5 * 100%

Power raises when the user has lower Speed, up to a maximum of 150.

76 76 Stealth Rock Rock status 20

Causes damage when opposing Pokémon switch in.

77 77 77 77 77 Psych Up Normal status 10

Discards the user's stat changes and copies the target's.

78 78 78 Bulldoze Ground physical 20 60 100%

Has a 100% chance to lower the target's Speed by one stage.

78 78 Captivate Normal status 20 100%

Lowers the target's Special Attack by two stages if it's the opposite gender.

80 80 80 80 80 Rock Slide Rock physical 10 75 90%

Has a 30% chance to make the target flinch.

82 82 82 Dragon Tail Dragon physical 10 60 90% -6

Ends wild battles. Forces trainers to switch Pokémon.

82 82 Sleep Talk Normal status 10

Randomly uses one of the user's other three moves. Only works if the user is sleeping.

83 83 Natural Gift Normal physical 15 * 100%

Power and type depend on the held berry.

87 87 87 87 87 Swagger Normal status 15 90%

Raises the target's Attack by two stages and confuses the target.

88 Sleep Talk Normal status 10

Randomly uses one of the user's other three moves. Only works if the user is sleeping.

50 90 90 90 90 90 Substitute Normal status 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.

91 91 91 91 91 Flash Cannon Steel special 10 80 100%

Has a 10% chance to lower the target's Special Defense by one stage.

94 94 94 Rock Smash Fighting physical 15 40 100%

Has a 50% chance to lower the target's Defense by one stage.

96 Nature Power Normal status 20

Uses a move which depends upon the terrain.

100 Confide Normal status 20

Lowers the target's Special Attack by one stage.

H4 H4 H4 H4 H4 H4 H4 H4 H4 Strength Normal physical 15 80 100%

Inflicts regular damage with no additional effect.

H6 H6 H6 H6 Rock Smash Fighting physical 15 40 100%

Has a 50% chance to lower the target's Defense by one stage.

H8 H8 Rock Climb Normal physical 20 90 85%

Has a 20% chance to confuse the target.

External Links