Appearance
Category | ![]() | Iron Snake Pokémon |
---|---|---|
Color | ![]() | Gray |
Height | ![]() | 9.2m / 30'2" |
Weight | ![]() | 400kg / 881.85lbs |
Shape
Footprint
Cry
Size Comparison
1.8m / 5'11"Trainer
9.2m / (30'2")Pokémon

Regional Pokédex Numbers
Training
Base Friendship (Gen 3-7) | 70 |
---|---|
Base Friendship (Gen 8+) | 50 |
Base Experience | 179 |
Catch Rate | 25 |
Leveling Rate | Medium Fast |
Experience to 100 | 1,000,000 |
EV Yield: 2
HP0
ATK0
DEF2
SP.ATK0
SP.DEF0
SPE0
Abilities
PRIMARY | Rock Head | Protects against recoil damage. |
SECONDARY | Sturdy | Prevents being KOed from full
HP
![]() ![]() |
HIDDEN | Sheer Force | Strengthens moves with extra effects to 1.3x their power, but prevents their extra effects. |
Base Stats
![]() | HP | 75 | 260 - 354 | ||||||
---|---|---|---|---|---|---|---|---|---|
![]() | Attack | 85 | 157 - 295 | ||||||
![]() | Defense | 200 | 364 - 548 | ||||||
![]() | Special Attack | 55 | 103 - 229 | ||||||
![]() | Special Defense | 65 | 121 - 251 | ||||||
![]() | Speed | 30 | 58 - 174 | ||||||
Total | 510 | min - max | |||||||
Lvl. 100 range |
- Minimum values assume 0 IV, 0 EV and a hindering nature (→ -10%)- Maximum values assume 31 IV (→ +31), 252 EV (→ +63) and a helpful nature (→ +10%)
Evolutions
🡺
Trade
while holding
Metal Coat


Form Changes
Movesets
Moves marked with
get a same-type attack bonus

PokéDex Descriptions
P Y | It chews its way through boulders with its sturdy jaws. Its eyes can see in the darkness underground. |
S FR | It is said that if an ONIX lives for over 100 years, its composition changes to become diamond-like. |
SW | It is said that if an Onix lives for over 100 years, its composition changes to become diamond-like. |
PL B W SH | It is thought its body transformed as a result of iron accumulating internally from swallowing soil. |
G HG | Its body has been compressed deep under the ground. As a result, it is even harder than a diamond. |
LG | Its body has been compressed deep under the ground. As a result, it is even harder than diamond. |
SS | It’s said that if an ONIX lives for 100 years, its composition becomes diamondlike as it evolves into a STEELIX. |
E | STEELIX live even further underground than ONIX. This POKéMON is known to dig toward the earth’s core, reaching a depth of over six-tenths of a mile underground. |
R S | STEELIX lives even further underground than ONIX. This POKéMON is known to dig towards the earth’s core. There are records of this POKéMON reaching a depth of over six-tenths of a mile underground. |
AS OR | Steelix lives even further underground than Onix. This Pokémon is known to dig toward the earth’s core. There are records of this Pokémon reaching a depth of over six-tenths of a mile underground. |
D X | Tempered underground under high pressure and heat, its body is harder than any metal. |
B2 W2 | The iron it ingested with the soil it swallowed transformed its body and made it harder than diamonds. |
C | The many small metal particles that cover this POKéMON's body reflect bright light well. |
LA | This Pokémon evolved through use of a strange item. Its body is coated with steel powder and notably hard—not even diamond can leave so much as a scratch. |
Pokémon Cries
Introduced
ORAS
Form NameMega Evolution
0:00
Introduced
GS
Form NameNormal Form
0:00
Introduced
STA2
Form NameNormal Form
0:00
Introduced
XY
Form NameNormal Form
0:00