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Mega Steelix official artwork
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Mega Steelix

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Mega Steelix メガハガネール

Steel Ground Generation II Iron Snake Pokémon Mega
Height 10.5m Weight 740kg
Sand Force

Pokémon Profile

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

Base Stats

Form Base Stats：Mega Steelix · Total 510

HP 75
Attack 85
Defense 200
Sp. Atk 55
Sp. Def 65
Speed 30

Basic Info

Egg Cycles
25
Base Friendship
50
EV Yield
Defense+2
Base Experience
214

Type Matchups View full type chart →

Defensive (when attacked)

2× Weakness Fire ×2 Water ×2 Fighting ×2 Ground ×2
Immune Electric ×0 Poison ×0
1/4 Resistance Rock ×0.25
1/2 Resistance Normal ×0.5 Flying ×0.5 Psychic ×0.5 Bug ×0.5 Dragon ×0.5 Steel ×0.5 Fairy ×0.5

Offensive (when attacking)

2× Weakness Fire ×2 Electric ×2 Ice ×2 Poison ×2 Rock ×2 Steel ×2 Fairy ×2

Evolution Chain

Onix Onix
Trade while holding Metal Coat
Steelix Steelix

Learnset

Level Moves Type Category Power Accuracy PP
— Thunder Fang Electric Physical 65 95 15
— Ice Fang Ice Physical 65 95 15
— Fire Fang Fire Physical 65 95 15
— Crunch Dark Physical 80 100 15
— Rock Throw Rock Physical 50 90 15
— Tackle Normal Physical 40 100 35
— Harden Normal Status — — 30
— Bind Normal Physical 15 85 20
— Rock Polish Rock Status — — 20
4 Smack Down Rock Physical 50 100 15
8 Autotomize Steel Status — — 15
12 Dragon Breath Dragon Special 60 100 20
16 Curse Ghost Status — — 10
20 Rock Slide Rock Physical 75 90 10
24 Screech Normal Status — 85 40
28 Sand Tomb Ground Physical 35 85 15
32 Stealth Rock Rock Status — — 20
36 Slam Normal Physical 80 75 20
40 Sandstorm Rock Status — — 10
44 Dig Ground Physical 80 100 10
48 Iron Tail Steel Physical 100 75 15
52 Stone Edge Rock Physical 100 80 5
56 Double-Edge Normal Physical 120 100 15
60 Magnet Rise Electric Status — — 10

Wild Encounters

No wild encounter data available (official encounter records only cover Generations 1-7).

Pokédex Entries

Generation II
Gold：
Its body has been compressed deep under the ground. As a result, it is even harder than a diamond.
Silver：
It is said that if an ONIX lives for over 100 years, its composition changes to become diamond-like.
Crystal：
The many small metal particles that cover this Pokémon's body reflect bright light well.
Generation III
Ruby：
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.
Emerald：
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.
FireRed：
It is said that if an ONIX lives for over 100 years, its composition changes to become diamond-like.
LeafGreen：
Its body has been compressed deep under the ground. As a result, it is even harder than diamond.
Generation IV
Diamond：
Tempered underground under high pressure and heat, its body is harder than any metal.
Pearl：
It chews its way through boulders with its sturdy jaws. Its eyes can see in the darkness underground.
Platinum：
It is thought its body transformed as a result of iron accumulating internally from swallowing soil.
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.
Generation V
Black：
It is thought its body transformed as a result of iron accumulating internally from swallowing soil.
Black 2：
The iron it ingested with the soil it swallowed transformed its body and made it harder than diamonds.
Generation VI
X：
Tempered underground under high pressure and heat, its body is harder than any metal.
Y：
It chews its way through boulders with its sturdy jaws. Its eyes can see in the darkness underground.
Omega Ruby：
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.
Generation VIII
Sword：
It is said that if an Onix lives for over 100 years, its composition changes to become diamond-like.
Shield：
It is thought its body transformed as a result of iron accumulating internally from swallowing soil.
Legends: Arceus：
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.