steelix-mega #10072
Type Matchups
Weak to (2x damage):
Resistant to (½x damage):
Immune to (0x damage):
steelix-mega
Generation II · #10072 — Iron Snake Pokémon
Mega Steelix is the Mega Evolved form of Steelix, the Iron Snake Pokémon introduced in Generation II. This transformation represents the ultimate expression of Steelix's metallic nature, achieved through Mega Evolution using the Steelixite stone. Standing at an imposing 10.5 meters tall and weighing a staggering 740 kilograms, Mega Steelix is substantially larger and heavier than its base form, embodying the culmination of millions of years of underground geological compression. As a Steel/Ground-type Pokémon, Mega Steelix maintains its dual typing while gaining access to the Sand Force ability, which amplifies the power of Rock, Ground, and Steel-type moves by 30% during sandstorm conditions while simultaneously protecting it from sandstorm damage. The transformation grants Mega Steelix a base stat total of 610, with particularly notable increases in Attack (from 85 to 125) and Defense (from 200 to 230), making it an extraordinarily durable and potent physical attacker.
Base Stats
Height
10.5m
Weight
740.0kg
Category
Iron Snake Pokémon
Gender
Male 50% / Female 50%
Color
gray
Shape
squiggle
Habitat
cave
Abilities
Strengthens rock, ground, and steel moves to 1.3× their power during a sandstorm. Protects against sandstorm damage.
Steelix-mega Biology & Physical Characteristics
Mega Steelix's body undergoes a dramatic crystalline transformation during Mega Evolution, becoming even more fortified than its already formidable base form. The segmented, metallic structure of standard Steelix becomes increasingly dense and compressed, with the Pokédex noting that Steelix's body composition becomes diamond-like after living for over 100 years—a quality that reaches its apex in the Mega Evolved state. Its massive, angular head with wide jaws remains the dominant physical feature, but the metallic segments along its serpentine body become more pronounced and reinforced, creating an appearance of an underground tunneling machine crafted from an indestructible alloy. The 230 Defense stat in Mega form reflects a defensive capability that is nearly unparalleled among Pokémon, allowing it to withstand tremendous physical punishment. Despite the increased bulk and weight, Mega Steelix retains the characteristic rock spikes protruding from multiple sections of its body, now appearing even more formidable and metallic than before.
Pokedex Numbers
Training
Breeding
Steelix-mega Breeding, Gender Ratio & Egg Groups
Mega Steelix maintains an equal gender distribution of 50% male and 50% female, consistent with its base form Steelix. Members of the Mineral egg group, both standard Steelix and Mega Steelix can breed with compatible partners from this category, allowing for the production of Onix offspring. The species exhibits no apparent sexual dimorphism in either form, meaning male and female specimens appear physically identical, with no observable differences in coloration, size, or structural features. Base friendship for Steelix and its Mega Evolution form stands at 70, suggesting moderate compatibility with trainers and receptiveness to care and bonding efforts. The egg cycle for breeding purposes requires 25 cycles to hatch, equivalent to approximately 6,169 to 6,425 steps depending on the specific game mechanics. While Mega Steelix itself cannot breed while in its Mega Evolved state—as Mega Evolution is temporary—a standard Steelix can return to its base form to participate in breeding activities. The Mineral egg group classification indicates that Steelix shares ancestry and breeding compatibility with Pokémon such as Onix, Geodude, Magnemite, and other rock and metal-based creatures, reflecting its hybrid nature as both a rock-type and metal-type Pokémon.
Held Items
Sprites
Held Items
metal-coat
type-enhancement
Held: Steel-Type moves from holder do 20% more damage.
Cost: 2000
metal-coat
type-enhancement
Held: Steel-Type moves from holder do 20% more damage.
Cost: 2000
metal-coat
type-enhancement
Held: Steel-Type moves from holder do 20% more damage.
Cost: 2000
metal-coat
type-enhancement
Held: Steel-Type moves from holder do 20% more damage.
Cost: 2000
metal-coat
type-enhancement
Held: Steel-Type moves from holder do 20% more damage.
Cost: 2000
metal-coat
type-enhancement
Held: Steel-Type moves from holder do 20% more damage.
Cost: 2000
TMs & HMs
tm02
lets go pikachu lets go eevee
tm03
crystal
tm03
gold silver
tm05
ruby sapphire
tm05
emerald
tm05
gold silver
tm05
crystal
tm05
diamond pearl
tm05
black white
tm05
platinum
tm05
heartgold soulsilver
tm05
firered leafgreen
tm05
black 2 white 2
tm05
omega ruby alpha sapphire
tm05
x y
tm05
xd
tm05
colosseum
tm05
lets go pikachu lets go eevee
tm05
ultra sun ultra moon
tm05
sun moon
+649 more TMs/HMs
Gender Differences
This Pokémon has visible differences between male and female forms.
steelix-mega's Evolution Chain
Steelix-mega Evolution, Mega Evolution & Special Forms
Mega Steelix represents the Mega Evolved form of Steelix, accessible through Mega Evolution using the Steelixite stone, which was introduced in Pokémon Omega Ruby and Alpha Sapphire. The evolution chain begins with Onix, a Rock/Ground-type Pokémon that evolves into Steelix when traded while holding a Metal Coat—a transformation that marks the point at which Onix's iron content crystallizes and transforms its body composition. The subsequent Mega Evolution into Mega Steelix represents not merely a temporary power boost, but a fundamental refinement of the metallic structure that defines the species. The stat distribution of Mega Steelix is heavily weighted toward physical bulk and offensive power, with Defense increasing by 30 points and Attack by 40 points compared to the base form, while Speed remains unchanged at 30. This statline perfectly reflects the biological lore surrounding Steelix—the longer a specimen lives and the deeper it burrows, the more its body compresses and crystallizes until it reaches a diamond-like hardness. Mega Steelix's Sand Force ability replaces the base form's possible Rock Head or Sturdy abilities, providing both offensive utility and defensive protection in sandstorm weather conditions, making it a formidable choice in sand-based competitive teams.
Where to Find
Location data not available for this Pokémon in the database.
Steelix-mega Behaviour and Natural Habitat
Mega Steelix is an even more subterranean creature than its base form, known to burrow far deeper into the earth's crust in pursuit of its territory. Historical records document Steelix reaching depths exceeding six-tenths of a mile underground, with some specimens believed to be tunneling toward the earth's core itself. The transformation into Mega Steelix intensifies these burrowing instincts, as the Pokémon's enhanced physical power and compressed body allow it to navigate through rock and soil with greater efficiency. Its Sand Force ability indicates that Mega Steelix thrives in sandy, arid underground environments where sandstorms are common, deriving both protection and power amplification from these harsh conditions. The species is generally solitary, spending most of its existence in isolation far beneath the surface, which explains the rarity of human encounters. When Mega Steelix emerges to the surface, it typically does so only under specific circumstances, such as territorial conflicts or pursuit of prey, displaying the aggressive mining behavior that has made it legendary among spelunkers and geologists.
Pokedex Entries
Generation II
Its body has been compressed deep under the ground. As a result, it is even harder than a diamond.
It is said that if an ONIX lives for over 100 years, its composition changes to become diamond-like.
The many small metal particles that cover this POKéMON's body reflect bright light well.
Generation III
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.
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.
It is said that if an ONIX lives for over 100 years, its composition changes to become diamond-like.
Its body has been compressed deep under the ground. As a result, it is even harder than diamond.
Generation IV
Tempered underground under high pressure and heat, its body is harder than any metal.
It chews its way through boulders with its sturdy jaws. Its eyes can see in the darkness underground.
It is thought its body transformed as a result of iron accumulating internally from swallowing soil.
Its body has been compressed deep under the ground. As a result, it is even harder than a diamond.
It’s said that if an ONIX lives for 100 years, its composition becomes diamondlike as it evolves into a STEELIX.
Generation V
It is thought its body transformed as a result of iron accumulating internally from swallowing soil.
The iron it ingested with the soil it swallowed transformed its body and made it harder than diamonds.
Generation VI
Tempered underground under high pressure and heat, its body is harder than any metal.
It chews its way through boulders with its sturdy jaws. Its eyes can see in the darkness underground.
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.
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
It is said that if an Onix lives for over 100 years, its composition changes to become diamond-like.
It is thought its body transformed as a result of iron accumulating internally from swallowing soil.
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.
Steelix-mega Name Origin & Design Inspiration
The name Steelix is a direct portmanteau of 'steel' and 'Onix,' reflecting its evolution from Onix into a steel-based variant. In Japanese, it is known as Haganeel, combining 'hagane' (steel) with the original Onix name, maintaining the linguistic connection between the two forms. The design philosophy behind Mega Steelix emphasizes reinforcement and crystallization—the Pokémon's segmented, block-like construction becomes even more angular and pronounced, with surfaces appearing more metallic and polished. The visual transformation suggests millions of years of underground pressure compressing the creature's molecular structure into an increasingly dense and resilient form. The characteristic square teeth in its massive jaw become more prominent, and the overall silhouette shifts toward a more geometric, engineered appearance, as though the Pokémon has transformed from a natural creature into a subterranean engine of earth-moving power. The spike protrusions along its body appear sharper and more metallic in Mega form, emphasizing the crystalline transformation that occurs. This design evolution effectively communicates the concept central to Steelix lore: that time, depth, and pressure fundamentally transform a creature's nature from rock-based to metal-based.
Learnable Moves
Steelix-mega can learn 68 moves:
Move | Type | Cat. | Power | Acc. | PP |
|---|---|---|---|---|---|
| aqua tail | water | Physical | 90 | 90 | 10 |
| attract | normal | Status | — | 100 | 15 |
| autotomize | steel | Status | — | — | 15 |
| bind | normal | Physical | 15 | 85 | 20 |
| block | normal | Status | — | — | 5 |
| brutal swing | dark | Physical | 60 | 100 | 20 |
| bulldoze | ground | Physical | 60 | 100 | 20 |
| confide | normal | Status | — | — | 20 |
| crunch | dark | Physical | 80 | 100 | 15 |
| curse | ghost | Status | — | — | 10 |
| cut | normal | Physical | 50 | 95 | 30 |
| dark pulse | dark | Special | 80 | 100 | 15 |
| dig | ground | Physical | 80 | 100 | 10 |
| double team | normal | Status | — | — | 15 |
| double edge | normal | Physical | 120 | 100 | 15 |
| dragon breath | dragon | Special | 60 | 100 | 20 |
| dragon pulse | dragon | Special | 85 | 100 | 10 |
| dragon tail | dragon | Physical | 60 | 90 | 10 |
| earth power | ground | Special | 90 | 100 | 10 |
| earthquake | ground | Physical | 100 | 100 | 10 |
| explosion | normal | Physical | 250 | 100 | 5 |
| facade | normal | Physical | 70 | 100 | 20 |
| fire fang | fire | Physical | 65 | 95 | 15 |
| flash cannon | steel | Special | 80 | 100 | 10 |
| frustration | normal | Physical | — | 100 | 20 |
| giga impact | normal | Physical | 150 | 90 | 5 |
| gyro ball | steel | Physical | — | 100 | 5 |
| harden | normal | Status | — | — | 30 |
| hidden power | normal | Special | 60 | 100 | 15 |
| hyper beam | normal | Special | 150 | 90 | 5 |
| ice fang | ice | Physical | 65 | 95 | 15 |
| iron head | steel | Physical | 80 | 100 | 15 |
| iron tail | steel | Physical | 100 | 75 | 15 |
| magnet rise | electric | Status | — | — | 10 |
| mud sport | ground | Status | — | — | 15 |
| nature power | normal | Status | — | — | 20 |
| payback | dark | Physical | 50 | 100 | 10 |
| protect | normal | Status | — | — | 10 |
| psych up | normal | Status | — | — | 10 |
| rage | normal | Physical | 20 | 100 | 20 |
| rest | psychic | Status | — | — | 5 |
| return | normal | Physical | — | 100 | 20 |
| roar | normal | Status | — | — | 20 |
| rock polish | rock | Status | — | — | 20 |
| rock slide | rock | Physical | 75 | 90 | 10 |
| rock smash | fighting | Physical | 40 | 100 | 15 |
| rock throw | rock | Physical | 50 | 90 | 15 |
| rock tomb | rock | Physical | 60 | 95 | 15 |
| round | normal | Special | 60 | 100 | 15 |
| sandstorm | rock | Status | — | — | 10 |
| screech | normal | Status | — | 85 | 40 |
| secret power | normal | Physical | 70 | 100 | 20 |
| slam | normal | Physical | 80 | 75 | 20 |
| sleep talk | normal | Status | — | — | 10 |
| smack down | rock | Physical | 50 | 100 | 15 |
| snore | normal | Special | 50 | 100 | 15 |
| stealth rock | rock | Status | — | — | 20 |
| stomping tantrum | ground | Physical | 75 | 100 | 10 |
| stone edge | rock | Physical | 100 | 80 | 5 |
| strength | normal | Physical | 80 | 100 | 15 |
| substitute | normal | Status | — | — | 10 |
| sunny day | fire | Status | — | — | 5 |
| swagger | normal | Status | — | 85 | 15 |
| tackle | normal | Physical | 40 | 100 | 35 |
| taunt | dark | Status | — | 100 | 20 |
| thunder fang | electric | Physical | 65 | 95 | 15 |
| torment | dark | Status | — | 100 | 15 |
| toxic | poison | Status | — | 90 | 10 |
Steelix-mega Competitive Battle Guide
Mega Steelix is a formidable defensive pivot and physical tank in competitive Pokémon formats, distinguished by its exceptional Defense stat of 230 in Mega form—among the highest defensive values available to any Pokémon. Its Attack stat of 125 provides genuine offensive threat despite not being exceptional, allowing it to deal respectable damage with physical Steel and Ground-type moves while primarily functioning as a wall against physical attackers. The 40-point Attack increase upon Mega Evolution compared to the base form makes Mega Steelix substantially more threatening offensively than standard Steelix, transforming it from a pure defensive utility Pokémon into a legitimate physical threat. Sand Force ability is the primary draw for competitive usage, as it amplifies the power of Steel, Rock, and Ground-type moves by 30% during sandstorm weather, while simultaneously immunizing the user to sandstorm damage—a combination that makes Mega Steelix an ideal partner for sandstorm-based teams. Its Steel/Ground typing grants excellent resistances and immunities, including resistance to Rock, Normal, Flying, Bug, Grass, Dragon, and Steel-type moves, plus immunity to Electric-type attacks and poison effects. However, Mega Steelix's pitiful Speed stat of 30 represents a significant vulnerability, requiring careful team support through priority moves, paralysis-inducing teammates, or speed control strategies. Common moveset options include Iron Head and Earthquake for STAB coverage, Stone Edge or Rock Slide for additional coverage and sandstorm synergy, and utility moves such as Stealth Rock, Curse, or Toxic to provide team support.
Commonly Asked Questions About Steelix-mega
What type is Steelix-mega?
Steelix-mega is a steel and ground type Pokemon.
What does Steelix-mega evolve into?
Steelix-mega does not evolve into any other Pokemon. It is the final form in its evolution line.
What are Steelix-mega's weaknesses?
Steelix-mega is weak to water, fighting, ground and fire type moves.
Steelix-mega Cultural Impact & Franchise History
Steelix has maintained significant presence in Pokémon media since its introduction in Generation II, with Mega Steelix receiving particular attention following its debut in Pokémon Omega Ruby and Alpha Sapphire. Notable trainer Jasmine, the Steel-type Gym Leader of Johto, uses Steelix prominently in the anime and manga, establishing the species as iconic to the Steel-type archetype and steel-themed characters. Brock's Steelix has also appeared extensively throughout the anime series, often serving as his primary ground-based attacker and demonstrating the species' subterranean tunneling prowess. The competitive Pokémon community has embraced Mega Steelix as a viable sand-based wall, with its unique defensive profile and ability synergy making it a specialization choice for players building around sandstorm weather conditions. In Pokémon GO, Mega Steelix's introduction allowed players to experience the Mega Evolution mechanic with this defensive juggernaut, further popularizing the form among mobile gaming audiences. The species' design has inspired numerous fan artworks and discussions surrounding the concept of geological transformation and crystallization, with Mega Steelix serving as a visual representation of how extreme environmental pressure fundamentally alters a creature's composition. The lore surrounding Steelix's century-long transformation into diamond-like material has captured the imagination of the fan community, generating discussions about long-term evolution and time-based metamorphosis in Pokémon biology.
Where to Find Steelix-mega in Every Pokémon Game
Mega Steelix was officially introduced in Pokémon Omega Ruby and Alpha Sapphire as an exclusive Mega Evolution form, requiring the Steelixite Mega Stone for activation. To obtain Mega Steelix, players must first obtain a standard Steelix by trading Onix while holding a Metal Coat, then acquire the Steelixite through post-game content or distribution events in ORAS. In subsequent generations, Mega Steelix's availability has varied: it appears in Pokémon Sword and Shield's base game and expansions, accessible through raid battles and trading from earlier generations. Pokémon Legends: Arceus and the upcoming Legends: Z-A have listed Steelix in their available Pokédex entries, suggesting continued inclusion in modern titles. Pokémon GO introduced Mega Steelix through its Mega Evolution system, allowing players to temporarily Mega Evolve caught Steelix specimens using Mega Energy earned through raids and research tasks. The Steelixite Mega Stone, necessary for Mega Evolution, has been distributed through in-game events, Mystery Gifts, and post-game quest completion across various titles. Players seeking to add Mega Steelix to their teams should prioritize obtaining a standard Steelix through traditional methods first, as Mega Evolution is temporary and the base form remains essential for team building. Competitive players pursuing Mega Steelix for sandstorm-based teams typically breed or catch Onix in sandstorm-associated locations, then evolve it through trading mechanics available across multiple generations.