Steelix
#63 in the HeartGold & SoulSilver Pokédex • Iron Snake Pokémon
Steelix
#63 in the HeartGold & SoulSilver Pokédex • Iron Snake Pokémon
Stats
Min
Max
HP
75
260
354
Attack
85
157
295
Defense
200
364
548
Sp. Atk
55
103
229
Sp. Def
65
121
251
Speed
30
58
174
Total
510
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
| Pokédexes | Updated Johto #63 |
|---|---|
| EV yield | 2 Def |
| Catch rate | 25 |
| Base Exp. | 179 |
Eggs
| Egg Groups | |
|---|---|
| Gender | 50% male 50% female |
| Egg cycles | 25 (6,400 steps) |
Lore

HeartGold
Its body has been compressed deep under the ground. As a result, it is even harder than a diamond.

SoulSilver
It’s said that if an ONIX lives for 100 years, its composition becomes diamondlike as it evolves into a STEELIX.
Evolution
| Pokémon | Requires | Evolution |
|---|---|---|
![]() Onix #62 | Trade holding Metal Coat | ![]() Steelix #63 |
Encounters
| Location | Method | Level | Chance | Conditions |
|---|---|---|---|---|
Mt. Silver Mount Silver (2F) | Walking in tall grass or a cave | 48 | 20% | - |
Route 47 Road 47 (inside cave) | Walking in tall grass or a cave | 23 | 1% | - |
Route 47 Road 47 (inside cave) | Walking in tall grass or a cave | 23 | 1% | - |
| Location | Method | Level | Chance | Conditions |
|---|---|---|---|---|
Mt. Silver Mount Silver (2F) | Walking in tall grass or a cave | 48 | 20% | - |
Route 47 Road 47 (inside cave) | Walking in tall grass or a cave | 23 | 1% | - |
Route 47 Road 47 (inside cave) | Walking in tall grass or a cave | 23 | 1% | - |
Held Items
Moves
| Class | Description | ||||||
|---|---|---|---|---|---|---|---|
| Start | Bind | ![]() | Physical | 15 | 75 | 20 | A long body or tentacles are used to bind and squeeze the foe for two to five turns. |
| Start | Tackle | ![]() | Physical | 35 | 95 | 35 | A physical attack in which the user charges and slams into the foe with its whole body. |
| Start | Harden | ![]() | Status | - | - | 30 | The user stiffens all the muscles in its body to raise its Defense stat. |
| Start | Mud Sport | ![]() | Status | - | - | 15 | The user covers itself with mud. It weakens Electric- type moves while the user is in the battle. |
| Start | Thunder Fang | ![]() | Physical | 65 | 95 | 15 | The user bites with electrified fangs. It may also make the foe flinch or become paralyzed. |
| Start | Ice Fang | ![]() | Physical | 65 | 95 | 15 | The user bites with cold-infused fangs. It may also make the foe flinch or freeze. |
| Start | Fire Fang | ![]() | Physical | 65 | 95 | 15 | The user bites with flame-cloaked fangs. It may also make the foe flinch or sustain a burn. |
| 6 | Screech | ![]() | Status | - | 85 | 40 | An earsplitting screech is emitted to sharply reduce the foe’s Defense stat. |
| 9 | Rock Throw | ![]() | Physical | 50 | 90 | 15 | The user picks up and throws a small rock at the foe to attack. |
| 14 | Rage | ![]() | Physical | 20 | 100 | 20 | While this move is in use, it gains attack power each time the user is hit in battle. |
| 17 | Rock Tomb | ![]() | Physical | 50 | 80 | 10 | Boulders are hurled at the foe. It also lowers the foe’s Speed by preventing its movement. |
| 22 | Sandstorm | ![]() | Status | - | - | 10 | A five-turn sand storm is summoned to hurt all combatant types except Rock, Ground, and Steel. |
| 25 | Slam | ![]() | Physical | 80 | 75 | 20 | The foe is slammed with a long tail, vines, etc., to inflict damage. |
| 30 | Rock Polish | ![]() | Status | - | - | 20 | The user polishes its body to reduce drag. It can sharply raise the Speed stat. |
| 33 | Dragon Breath | ![]() | Special | 60 | 100 | 20 | The user exhales a mighty gust that inflicts damage. It may also paralyze the target. |
| 38 | Curse | ![]() | Status | - | - | 10 | A move that works differently for the Ghost type than for all the other types. |
| 41 | Iron Tail | ![]() | Physical | 100 | 75 | 15 | The foe is slammed with a steel-hard tail. It may also lower the target’s Defense stat. |
| 46 | Crunch | ![]() | Physical | 80 | 100 | 15 | The user crunches up the foe with sharp fangs. It may also lower the target’s Defense stat. |
| 49 | Double-Edge | ![]() | Physical | 120 | 100 | 15 | A reckless, life- risking tackle. It also damages the user by a fairly large amount, however. |
| 54 | Stone Edge | ![]() | Physical | 100 | 80 | 5 | The user stabs the foe with a sharpened stone. It has a high critical-hit ratio. |
Machines
| Class | Description | ||||||
|---|---|---|---|---|---|---|---|
| TM05 | Roar | ![]() | Status | - | 100 | 20 | The foe is scared off, to be replaced by another Pokémon in its party. In the wild, the battle ends. |
| TM06 | Toxic | ![]() | Status | - | 85 | 10 | A move that leaves the target badly poisoned. Its poison damage worsens every turn. |
| TM10 | Hidden Power | ![]() | Special | 1 | 100 | 15 | A unique attack that varies in type and intensity depending on the Pokémon using it. |
| TM11 | Sunny Day | ![]() | Status | - | - | 5 | The user intensifies the sun for five turns, powering up Fire-type moves. |
| TM12 | Taunt | ![]() | Status | - | 100 | 20 | The foe is taunted into a rage that allows it to use only attack moves for two to four turns. |
| TM15 | Hyper Beam | ![]() | Special | 150 | 90 | 5 | The foe is attacked with a powerful beam. The user must rest on the next turn to regain its energy. |
| TM17 | Protect | ![]() | Status | - | - | 10 | It enables the user to evade all attacks. Its chance of failing rises if it is used in succession. |
| TM21 | Frustration | ![]() | Physical | - | 100 | 20 | A full-power attack that grows more powerful the less the user likes its Trainer. |
| TM23 | Iron Tail | ![]() | Physical | 100 | 75 | 15 | The foe is slammed with a steel-hard tail. It may also lower the target’s Defense stat. |
| TM26 | Earthquake | ![]() | Physical | 100 | 100 | 10 | The user sets off an earthquake that hits all the Pokémon in the battle. |
| TM27 | Return | ![]() | Physical | - | 100 | 20 | A full-power attack that grows more powerful the more the user likes its Trainer. |
| TM28 | Dig | ![]() | Physical | 80 | 100 | 10 | The user burrows, then attacks on the second turn. It can also be used to exit dungeons. |
| TM32 | Double Team | ![]() | Status | - | - | 15 | By moving rapidly, the user makes illusory copies of itself to raise its evasiveness. |
| TM37 | Sandstorm | ![]() | Status | - | - | 10 | A five-turn sand storm is summoned to hurt all combatant types except Rock, Ground, and Steel. |
| TM39 | Rock Tomb | ![]() | Physical | 50 | 80 | 10 | Boulders are hurled at the foe. It also lowers the foe’s Speed by preventing its movement. |
| TM41 | Torment | ![]() | Status | - | 100 | 15 | The user torments and enrages the foe, making it incapable of using the same move twice in a row. |
| TM42 | Facade | ![]() | Physical | 70 | 100 | 20 | An attack move that doubles its power if the user is poisoned, paralyzed, or has a burn. |
| TM43 | Secret Power | ![]() | Physical | 70 | 100 | 20 | The user attacks with a secret power. Its added effects vary depending on the user’s environment. |
| TM44 | Rest | ![]() | Status | - | - | 5 | The user goes to sleep for two turns. It fully restores the user’s HP and heals any status problem. |
| TM45 | Attract | ![]() | Status | - | 100 | 15 | If it is the opposite gender of the user, the foe becomes infatuated and less likely to attack. |
| TM58 | Endure | ![]() | Status | - | - | 10 | The user endures any attack with at least 1 HP. Its chance of failing rises if it is used in succession. |
| TM59 | Dragon Pulse | ![]() | Special | 90 | 100 | 10 | The foe is attacked with a shock wave generated by the user’s gaping mouth. |
| TM64 | Explosion | ![]() | Physical | 250 | 100 | 5 | The user explodes to inflict damage on all Pokémon in battle. The user faints upon using this move. |
| TM66 | Payback | ![]() | Physical | 50 | 100 | 10 | If the user can use this attack after the foe attacks, its power is doubled. |
| TM68 | Giga Impact | ![]() | Physical | 150 | 90 | 5 | The user charges at the foe using every bit of its power. The user must rest on the next turn. |
| TM69 | Rock Polish | ![]() | Status | - | - | 20 | The user polishes its body to reduce drag. It can sharply raise the Speed stat. |
| TM71 | Stone Edge | ![]() | Physical | 100 | 80 | 5 | The user stabs the foe with a sharpened stone. It has a high critical-hit ratio. |
| TM74 | Gyro Ball | ![]() | Physical | - | 100 | 5 | The user tackles the foe with a high-speed spin. The slower the user, the greater the damage. |
| TM76 | Stealth Rock | ![]() | Status | - | - | 20 | The user lays a trap of levitating stones around the foe. The trap hurts foes that switch into battle. |
| TM77 | Psych Up | ![]() | Status | - | - | 10 | The user hypnotizes itself into copying any stat change made by the foe. |
| TM78 | Captivate | ![]() | Status | - | 100 | 20 | If it is the opposite gender of the user, the foe is charmed into sharply lowering its Sp. Atk stat. |
| TM79 | Dark Pulse | ![]() | Special | 80 | 100 | 15 | The user releases a horrible aura imbued with dark thoughts. It may also make the target flinch. |
| TM80 | Rock Slide | ![]() | Physical | 75 | 90 | 10 | Large boulders are hurled at the foe to inflict damage. It may also make the target flinch. |
| TM82 | Sleep Talk | ![]() | Status | - | - | 10 | While it is asleep, the user randomly uses one of the moves it knows. |
| TM83 | Natural Gift | ![]() | Physical | - | 100 | 15 | The user draws power to attack by using its held Berry. The Berry determines its type and power. |
| TM87 | Swagger | ![]() | Status | - | 90 | 15 | The user enrages the foe into confusion. However, it also sharply raises the foe’s Attack stat. |
| TM90 | Substitute | ![]() | Status | - | - | 10 | The user makes a copy of itself using some of its HP. The copy serves as the user’s decoy. |
| TM91 | Flash Cannon | ![]() | Special | 80 | 100 | 10 | The user gathers all its light energy and releases it at once. It may also lower the foe’s Sp. Def stat. |
| HM01 | Cut | ![]() | Physical | 50 | 95 | 30 | The foe is cut with a scythe or a claw. It can also be used to cut down thin trees. |
| HM04 | Strength | ![]() | Physical | 80 | 100 | 15 | The foe is slugged with a punch thrown at maximum power. It can also be used to move boulders. |
| HM06 | Rock Smash | ![]() | Physical | 40 | 100 | 15 | The user hits with a punch that may lower the target’s Defense. It can also smash cracked boulders. |
| HM08 | Rock Climb | ![]() | Physical | 90 | 85 | 20 | A charging attack that may also leave the foe confused. It can also be used to scale rocky walls. |
Tutors
| Class | Description | |||||
|---|---|---|---|---|---|---|
| Ancient Power | ![]() | Special | 60 | 100 | 5 | The user attacks with a prehistoric power. It may also raise all the user’s stats at once. |
| Aqua Tail | ![]() | Physical | 90 | 90 | 10 | The user attacks by swinging its tail as if it were a vicious wave in a raging storm. |
| Block | ![]() | Status | - | - | 5 | The user blocks the foe’s way with arms spread wide to prevent escape. |
| Earth Power | ![]() | Special | 90 | 100 | 10 | The user makes the ground under the foe erupt with power. It may also lower the target’s Sp. Def. |
| Headbutt | ![]() | Physical | 70 | 100 | 15 | The user attacks with its head. It may make the foe flinch. To find Pokémon, hit trees. |
| Iron Head | ![]() | Physical | 80 | 100 | 15 | The foe slams the target with its steel-hard head. It may also make the target flinch. |
| Magnet Rise | ![]() | Status | - | - | 10 | The user levitates using electrically generated magnetism for five turns. |
| Mud-Slap | ![]() | Special | 20 | 100 | 10 | The user hurls mud in the foe’s face to inflict damage and lower its accuracy. |
| Rollout | ![]() | Physical | 30 | 90 | 20 | The user continually rolls into the foe over five turns. It becomes stronger each time it hits. |
| Snore | ![]() | Special | 40 | 100 | 15 | An attack that can be used only if the user is asleep. The harsh noise may also make the foe flinch. |
| Twister | ![]() | Special | 40 | 100 | 20 | The user whips up a vicious tornado to tear at the foe. It may also make the foe flinch. |
Traits
Rock Head
Ability Slot 1
Protects the Pokémon from recoil damage.
Protects against recoil damage.
Sturdy
Ability Slot 2
It is protected against 1-hit KO attacks.
Prevents being KOed from full HP, leaving 1 HP instead. Protects against the one-hit KO moves regardless of HP.




















































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