Onix
#95 in the National Pokédex • Rock Snake Pokémon
Onix
#95 in the National Pokédex • Rock Snake Pokémon
Stats
Min
Max
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
Ranges are for Level 100. Max assumes a beneficial nature, 252 EVs, and 31 IVs; min assumes a hindering nature, 0 EVs, and 0 IVs.
Growth
| EV yield | 1 Def |
|---|---|
| Catch rate | 45 |
| Base Exp. | 77 |
Eggs
| Egg Groups | |
|---|---|
| Gender | 50% male 50% female |
| Egg cycles | 25 (6,400 steps) |
Lore

Pokémon 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.
Evolution
| Pokémon | Requires | Evolution |
|---|---|---|
![]() Onix #95 | Trade holding Metal Coat | ![]() Steelix #208 |
Moves
| Class | Description | ||||||
|---|---|---|---|---|---|---|---|
| Start | Tackle | ![]() | Physical | 35 | 95 | 35 | Charges the foe with a full- body tackle. |
| Start | Screech | ![]() | Status | - | 85 | 40 | Emits a screech to sharply reduce the foe’s DEFENSE. |
| 9 | Bind | ![]() | Physical | 15 | 75 | 20 | Binds and squeezes the foe for 2 to 5 turns. |
| 13 | Rock Throw | ![]() | Physical | 50 | 90 | 15 | Throws small rocks to strike the foe. |
| 21 | Harden | ![]() | Status | - | - | 30 | Stiffens the body’s muscles to raise DEFENSE. |
| 25 | Rage | ![]() | Physical | 20 | 100 | 20 | Raises the user’s ATTACK every time it is hit. |
| 33 | Sandstorm | ![]() | Status | - | - | 10 | Causes a sandstorm that rages for several turns. |
| 37 | Slam | ![]() | Physical | 80 | 75 | 20 | Slams the foe with a long tail, vine, etc. |
| 45 | Iron Tail | ![]() | Physical | 100 | 75 | 15 | Attacks with a rock-hard tail. May lower DEFENSE. |
| 49 | Sand Tomb | ![]() | Physical | 15 | 70 | 15 | Traps and hurts the foe in quicksand for 2 to 5 turns. |
| 57 | Double-Edge | ![]() | Physical | 120 | 100 | 15 | A life-risking tackle that also hurts the user. |
Machines
| Class | Description | ||||||
|---|---|---|---|---|---|---|---|
| TM05 | Roar | ![]() | Status | - | 100 | 20 | Makes the foe flee to end the battle. |
| TM06 | Toxic | ![]() | Status | - | 85 | 10 | Poisons the foe with an intensifying toxin. |
| TM10 | Hidden Power | ![]() | Physical | 1 | 100 | 15 | The effectiveness varies with the user. |
| TM11 | Sunny Day | ![]() | Status | - | - | 5 | Boosts the power of FIRE- type moves for 5 turns. |
| TM12 | Taunt | ![]() | Status | - | 100 | 20 | Taunts the foe into only using attack moves. |
| TM17 | Protect | ![]() | Status | - | - | 10 | Evades attack, but may fail if used in succession. |
| TM21 | Frustration | ![]() | Physical | - | 100 | 20 | An attack that is stronger if the TRAINER is disliked. |
| TM23 | Iron Tail | ![]() | Physical | 100 | 75 | 15 | Attacks with a rock-hard tail. May lower DEFENSE. |
| TM26 | Earthquake | ![]() | Physical | 100 | 100 | 10 | A powerful quake, but has no effect on flying foes. |
| TM27 | Return | ![]() | Physical | - | 100 | 20 | An attack that increases in power with friendship. |
| TM28 | Dig | ![]() | Physical | 60 | 100 | 10 | Digs underground the first turn and strikes next turn. |
| TM32 | Double Team | ![]() | Status | - | - | 15 | Creates illusory copies to raise evasiveness. |
| TM37 | Sandstorm | ![]() | Status | - | - | 10 | Causes a sandstorm that rages for several turns. |
| TM39 | Rock Tomb | ![]() | Physical | 50 | 80 | 10 | Stops the foe from moving with rocks and cuts SPEED. |
| TM41 | Torment | ![]() | Status | - | 100 | 15 | Torments the foe and stops successive use of a move. |
| TM42 | Facade | ![]() | Physical | 70 | 100 | 20 | Boosts ATTACK when burned, paralyzed, or poisoned. |
| TM43 | Secret Power | ![]() | Physical | 70 | 100 | 20 | An attack with effects that vary by location. |
| TM44 | Rest | ![]() | Status | - | - | 5 | The user sleeps for 2 turns, restoring HP and status. |
| TM45 | Attract | ![]() | Status | - | 100 | 15 | Makes the opposite gender less likely to attack. |
| HM04 | Strength | ![]() | Physical | 80 | 100 | 15 | Builds enormous power, then slams the foe. |
| HM06 | Rock Smash | ![]() | Physical | 20 | 100 | 15 | A rock-crushing attack that may lower DEFENSE. |
Tutors
| Class | Description | |||||
|---|---|---|---|---|---|---|
| Body Slam | ![]() | Physical | 85 | 100 | 15 | A full-body slam that may cause paralysis. |
| Double-Edge | ![]() | Physical | 120 | 100 | 15 | A life-risking tackle that also hurts the user. |
| Endure | ![]() | Status | - | - | 10 | Endures any attack for 1 turn, leaving at least 1HP. |
| Explosion | ![]() | Physical | 250 | 100 | 5 | Inflicts severe damage but makes the user faint. |
| Mimic | ![]() | Status | - | - | 10 | Copies a move used by the foe during one battle. |
| Mud-Slap | ![]() | Physical | 20 | 100 | 10 | Hurls mud in the foe’s face to reduce its accuracy. |
| Psych Up | ![]() | Status | - | - | 10 | Copies the foe’s effect(s) and gives to the user. |
| Rock Slide | ![]() | Physical | 75 | 90 | 10 | Large boulders are hurled. May cause flinching. |
| Sleep Talk | ![]() | Status | - | - | 10 | Uses an available move randomly while asleep. |
| Snore | ![]() | Physical | 40 | 100 | 15 | A loud attack that can be used only while asleep. |
| Substitute | ![]() | Status | - | - | 10 | Creates a decoy using 1/4 of the user’s maximum HP. |
| Swagger | ![]() | Status | - | 90 | 15 | Confuses the foe, but also sharply raises ATTACK. |
Breeding
| Class | Description | |||||
|---|---|---|---|---|---|---|
| Block | ![]() | Status | - | - | 5 | Blocks the foe’s way to prevent escape. |
| Explosion | ![]() | Physical | 250 | 100 | 5 | Inflicts severe damage but makes the user faint. |
| Flail | ![]() | Physical | - | 100 | 15 | Inflicts more damage when the user’s HP is down. |
| Rock Slide | ![]() | Physical | 75 | 90 | 10 | Large boulders are hurled. May cause flinching. |
Traits
Rock Head
Prevents recoil damage.
Protects against recoil damage.
Sturdy
Negates 1-hit KO attacks.
Prevents being KOed from full HP, leaving 1 HP instead. Protects against the one-hit KO moves regardless of HP.













































Physical
Status

