- Type
- Species
- Rock Snake Pokémon
- Height
- 8.8 m
- Weight
- 210.0 kg
Onix
- 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.
Base stats
EVs: +1 Defense
| HP | 35 | |
|---|---|---|
| Attack | 45 | |
| Defense | 160 | |
| Sp. Atk | 30 | |
| Sp. Def | 45 | |
| Speed | 70 | |
| Total | 385 |
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.
Locations
- Heartgold
- Npc Trade
WalkingViolet City Lv 1-100 100% Johto Safari Zone Lv 15-17 70% Mt. Silver Lv 42-48 60% Rock Tunnel Lv 16 20% Route 47 Lv 20 10% Union Cave Lv 6-23 20% Victory Road Lv 34-36 45% - Soulsilver
- Npc Trade
WalkingViolet City Lv 1-100 100% Johto Safari Zone Lv 15-17 70% Mt. Silver Lv 42-48 60% Rock Tunnel Lv 16 20% Route 47 Lv 20 10% Union Cave Lv 6-23 20% Victory Road Lv 34-36 45%
Damage taken
- x0.5
- x2
- x0.5
- x0.25
- x2
- x0.5
- x1
- x1
- x2
- x0.5
- x4
- x4
- x0
- x1
- x2
- x1
- x1
| Level Up | ||||||||
|---|---|---|---|---|---|---|---|---|
| Level | Attack Name | Type | Class | Power | Accuracy | PP | Effect % | |
| 1 | Bind | Physical | 15 | 85 | 20 | 100 | ||
Prevents the target from fleeing and inflicts damage for 2-5 turns. | ||||||||
| 1 | Harden | Status | -- | -- | 30 | -- | ||
Raises the user’s Defense by one stage. | ||||||||
| 1 | Mud Sport | Status | -- | -- | 15 | -- | ||
Halves all Electric-type damage. | ||||||||
| 1 | Tackle | Physical | 40 | 100 | 35 | -- | ||
Inflicts regular damage with no additional effect. | ||||||||
| 6 | Screech | Status | -- | 85 | 40 | -- | ||
Lowers the target’s Defense by two stages. | ||||||||
| 9 | Rock Throw | Physical | 50 | 90 | 15 | -- | ||
Inflicts regular damage with no additional effect. | ||||||||
| 14 | Rage | Physical | 20 | 100 | 20 | -- | ||
If the user is hit after using this move, its Attack rises by one stage. | ||||||||
| 17 | Rock Tomb | Physical | 60 | 95 | 15 | 100 | ||
Has a chance to lower the target’s Speed by one stage. | ||||||||
| 22 | Sandstorm | Status | -- | -- | 10 | -- | ||
Changes the weather to a sandstorm for five turns. | ||||||||
| 25 | Slam | Physical | 80 | 75 | 20 | -- | ||
Inflicts regular damage with no additional effect. | ||||||||
| 30 | Rock Polish | Status | -- | -- | 20 | -- | ||
Raises the user’s Speed by two stages. | ||||||||
| 33 | Dragon Breath | Special | 60 | 100 | 20 | 30 | ||
Has a chance to paralyze the target. | ||||||||
| 38 | Curse | Status | -- | -- | 10 | -- | ||
Ghosts pay half their max HP to hurt the target every turn. Others decrease Speed but raise Attack and Defense. | ||||||||
| 41 | Iron Tail | Physical | 100 | 75 | 15 | 30 | ||
Has a chance to lower the target’s Defense by one stage. | ||||||||
| 46 | Sand Tomb | Physical | 35 | 85 | 15 | 100 | ||
Prevents the target from fleeing and inflicts damage for 2-5 turns. | ||||||||
| 49 | Double-Edge | Physical | 120 | 100 | 15 | -- | ||
User receives 1/3 the damage inflicted in recoil. | ||||||||
| 54 | Stone Edge | Physical | 100 | 80 | 5 | -- | ||
Has an increased chance for a critical hit. | ||||||||
| Egg | |||||||
|---|---|---|---|---|---|---|---|
| Attack Name | Type | Class | Power | Accuracy | PP | Effect % | |
| Block | Status | -- | -- | 5 | -- | ||
Prevents the target from leaving battle. | |||||||
| Defense Curl | Status | -- | -- | 40 | -- | ||
Raises user’s Defense by one stage. | |||||||
| Explosion | Physical | 250 | 100 | 5 | -- | ||
User faints. | |||||||
| Flail | Physical | -- | 100 | 15 | -- | ||
Inflicts more damage when the user has less HP remaining, with a maximum of 200 power. | |||||||
| Rock Blast | Physical | 25 | 90 | 10 | -- | ||
Hits 2-5 times in one turn. | |||||||
| Rock Slide | Physical | 75 | 90 | 10 | 30 | ||
Has a chance to make the target flinch. | |||||||
| Rollout | Physical | 30 | 90 | 20 | -- | ||
Power doubles every turn this move is used in succession after the first, resetting after five turns. | |||||||
| TM/HM | ||||||||
|---|---|---|---|---|---|---|---|---|
| Machine | Attack Name | Type | Class | Power | Accuracy | PP | Effect % | |
| HM04 | Strength | Physical | 80 | 100 | 15 | -- | ||
Inflicts regular damage with no additional effect. | ||||||||
| HM06 | Rock Smash | Physical | 40 | 100 | 15 | 50 | ||
Has a chance to lower the target’s Defense by one stage. | ||||||||
| HM08 | Rock Climb | Physical | 90 | 85 | 20 | 20 | ||
Has a chance to confuse the target. | ||||||||
| TM05 | Roar | Status | -- | -- | 20 | -- | ||
Immediately ends wild battles. Forces trainers to switch Pokémon. | ||||||||
| TM06 | Toxic | Status | -- | 90 | 10 | -- | ||
Badly poisons the target, inflicting more damage every turn. | ||||||||
| TM10 | Hidden Power | Special | 60 | 100 | 15 | -- | ||
Power and type depend upon user’s IVs. Power can range from 30 to 70. | ||||||||
| TM11 | Sunny Day | Status | -- | -- | 5 | -- | ||
Changes the weather to sunny for five turns. | ||||||||
| TM12 | Taunt | Status | -- | 100 | 20 | -- | ||
For the next few turns, the target can only use damaging moves. | ||||||||
| TM17 | Protect | Status | -- | -- | 10 | -- | ||
Prevents any moves from hitting the user this turn. | ||||||||
| TM21 | Frustration | Physical | -- | 100 | 20 | -- | ||
Power increases as happiness decreases, up to a maximum of 102. | ||||||||
| TM23 | Iron Tail | Physical | 100 | 75 | 15 | 30 | ||
Has a chance to lower the target’s Defense by one stage. | ||||||||
| TM26 | Earthquake | Physical | 100 | 100 | 10 | -- | ||
Inflicts regular damage and can hit Dig users. | ||||||||
| TM27 | Return | Physical | -- | 100 | 20 | -- | ||
Power increases with happiness, up to a maximum of 102. | ||||||||
| TM28 | Dig | Physical | 80 | 100 | 10 | -- | ||
User digs underground, dodging all attacks, and hits next turn. | ||||||||
| TM32 | Double Team | Status | -- | -- | 15 | -- | ||
Raises the user’s evasion by one stage. | ||||||||
| TM37 | Sandstorm | Status | -- | -- | 10 | -- | ||
Changes the weather to a sandstorm for five turns. | ||||||||
| TM39 | Rock Tomb | Physical | 60 | 95 | 15 | 100 | ||
Has a chance to lower the target’s Speed by one stage. | ||||||||
| TM41 | Torment | Status | -- | 100 | 15 | -- | ||
Prevents the target from using the same move twice in a row. | ||||||||
| TM42 | Facade | Physical | 70 | 100 | 20 | -- | ||
Power doubles if user is burned, paralyzed, or poisoned. | ||||||||
| TM43 | Secret Power | Physical | 70 | 100 | 20 | 30 | ||
Has a chance to inflict a status effect which depends upon the terrain. | ||||||||
| TM44 | Rest | Status | -- | -- | 5 | -- | ||
User sleeps for two turns, completely healing itself. | ||||||||
| TM45 | Attract | Status | -- | 100 | 15 | -- | ||
Target falls in love if it has the opposite gender, and has a 50% chance to refuse attacking the user. | ||||||||
| TM58 | Endure | Status | -- | -- | 10 | -- | ||
Prevents the user’s HP from lowering below 1 this turn. | ||||||||
| TM59 | Dragon Pulse | Special | 85 | 100 | 10 | -- | ||
Inflicts regular damage with no additional effect. | ||||||||
| TM64 | Explosion | Physical | 250 | 100 | 5 | -- | ||
User faints. | ||||||||
| TM66 | Payback | Physical | 50 | 100 | 10 | -- | ||
Power is doubled if the target has already moved this turn. | ||||||||
| TM69 | Rock Polish | Status | -- | -- | 20 | -- | ||
Raises the user’s Speed by two stages. | ||||||||
| TM71 | Stone Edge | Physical | 100 | 80 | 5 | -- | ||
Has an increased chance for a critical hit. | ||||||||
| TM74 | Gyro Ball | Physical | -- | 100 | 5 | -- | ||
Power raises when the user has lower Speed, up to a maximum of 150. | ||||||||
| TM76 | Stealth Rock | Status | -- | -- | 20 | -- | ||
Causes damage when opposing Pokémon switch in. | ||||||||
| TM77 | Psych Up | Status | -- | -- | 10 | -- | ||
Discards the user’s stat changes and copies the target’s. | ||||||||
| TM78 | Captivate | Status | -- | 100 | 20 | -- | ||
Lowers the target’s Special Attack by two stages if it’s the opposite gender. | ||||||||
| TM80 | Rock Slide | Physical | 75 | 90 | 10 | 30 | ||
Has a chance to make the target flinch. | ||||||||
| TM82 | Sleep Talk | Status | -- | -- | 10 | -- | ||
Randomly uses one of the user’s other three moves. Only works if the user is sleeping. | ||||||||
| TM83 | Natural Gift | Physical | -- | 100 | 15 | -- | ||
Power and type depend on the held berry. | ||||||||
| TM87 | Swagger | Status | -- | 85 | 15 | -- | ||
Raises the target’s Attack by two stages and confuses the target. | ||||||||
| TM90 | Substitute | 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. | ||||||||
| TM91 | Flash Cannon | Special | 80 | 100 | 10 | 10 | ||
Has a chance to lower the target’s Special Defense by one stage. | ||||||||
| Tutor | |||||||
|---|---|---|---|---|---|---|---|
| Attack Name | Type | Class | Power | Accuracy | PP | Effect % | |
| Ancient Power | Special | 60 | 100 | 5 | 10 | ||
Has a chance to raise all of the user’s stats by one stage. | |||||||
| Block | Status | -- | -- | 5 | -- | ||
Prevents the target from leaving battle. | |||||||
| Earth Power | Special | 90 | 100 | 10 | 10 | ||
Has a chance to lower the target’s Special Defense by one stage. | |||||||
| Headbutt | Physical | 70 | 100 | 15 | 30 | ||
Has a chance to make the target flinch. | |||||||
| Iron Head | Physical | 80 | 100 | 15 | 30 | ||
Has a chance to make the target flinch. | |||||||
| Mud-Slap | Special | 20 | 100 | 10 | 100 | ||
Has a chance to lower the target’s accuracy by one stage. | |||||||
| Rollout | Physical | 30 | 90 | 20 | -- | ||
Power doubles every turn this move is used in succession after the first, resetting after five turns. | |||||||
| Snore | Special | 50 | 100 | 15 | 30 | ||
Has a chance to make the target flinch. Only works if the user is sleeping. | |||||||
| Twister | Special | 40 | 100 | 20 | 20 | ||
Has a chance to make the target flinch. | |||||||
Other generations
Red, Blue & Yellow, Gold, Silver & Crystal, Ruby, Sapphire & Emerald, FireRed & LeafGreen, Diamond, Pearl & Platinum, Black & White, Black 2 & White 2, X & Y, Omega Ruby & Alpha Sapphire, Sun & Moon, Ultra Sun & Ultra Moon, Sword & Shield, Brilliant Diamond & Shining Pearl