ogerpon-cornerstone-mask #10275
Type Matchups
Weak to (2x damage):
Resistant to (½x damage):
ogerpon-cornerstone-mask
LegendaryGeneration IX · #10275 — Mask Pokémon
Ogerpon (Cornerstone Mask form) is a Grass/Rock-type Legendary Pokémon introduced in Generation IX as part of The Hidden Treasure of Area Zero DLC for Pokémon Scarlet and Violet. This particular form represents one of four distinct mask variations that Ogerpon can wear, each fundamentally altering its type composition and battle characteristics. With a National Pokédex number of #1017, Ogerpon in its Cornerstone Mask form stands at 1.2 meters tall and weighs 39.8 kilograms, maintaining the same physical dimensions across all its mask forms. As a Legendary Pokémon with a capture rate of only 5, it represents a rare and significant discovery within the Kitakami region, where it serves as a central figure in the narrative of The Teal Mask expansion. The Cornerstone Mask variant is particularly notable for its defensive capabilities and its connection to the sturdy, immovable nature of stone and earth.
Base Stats
Height
1.2m
Weight
39.8kg
Category
Mask Pokémon
Gender
Genderless
Color
green
Shape
humanoid
Abilities
Prevents being KOed from full HP, leaving 1 HP instead. Protects against the one-hit KO moves regardless of HP.
Ogerpon-cornerstone-mask Biology & Physical Characteristics
Ogerpon is a predominantly green, humanoid Pokémon that undergoes a striking visual transformation when wearing the Cornerstone Mask. In this form, the mask takes on a rocky, mineral-laden appearance that reflects the Pokémon's dual Grass/Rock typing. The mask itself becomes the primary conduit through which Ogerpon channels Rock-type energy, fundamentally altering its biological composition and battle prowess. The Cornerstone Mask variant demonstrates how Ogerpon's physiology is remarkably adaptable to different elemental forces—when wearing this particular mask, the Pokémon's body seems to harden and crystallize, incorporating stone-like properties into its previously purely organic structure. This transformation is not merely cosmetic; it represents a genuine shift in the Pokémon's elemental affinity and defensive properties. When Terastallized in this form, Ogerpon becomes a pure Rock-type, allowing it to fully embrace the stone element while temporarily abandoning its Grass-type heritage, suggesting that the masks serve as focuses for latent elemental power contained within the Pokémon's essence.
Pokedex Numbers
Training
Breeding
Ogerpon-cornerstone-mask Breeding, Gender Ratio & Egg Groups
Ogerpon is classified as a genderless Pokémon, meaning it has no sexual dimorphism and cannot breed in the traditional sense. It belongs to the Undiscovered egg group, making it unobtainable through breeding mechanics. This classification is standard for most Legendary and Mythical Pokémon, emphasizing their singular, unique nature within the Pokémon world. The Pokédex data indicates that Ogerpon has a 100% female designation in some contexts, though this appears to be a data inconsistency rather than a reflection of actual gender characteristics, as genderless Pokémon are distinct from female-only species. With a base happiness value of 50, Ogerpon begins at a neutral friendship level with trainers, requiring deliberate effort and positive interactions to increase affection and bond. The slow growth rate of Ogerpon means it takes longer to reach higher levels compared to many other Pokémon, demanding patience and sustained training commitment from its trainer. The combination of these breeding restrictions and growth characteristics reinforces Ogerpon's status as a rare, legendary entity that cannot be easily replicated or mass-produced, making each captured individual inherently valuable and unique to its trainer's journey.
Sprites
TMs & HMs
tm02
lets go pikachu lets go eevee
tm03
yellow
tm03
red blue
tm03
lets go pikachu lets go eevee
tm03
blue japan
tm03
red green japan
tm05
lets go pikachu lets go eevee
tm07
lets go pikachu lets go eevee
tm08
lets go pikachu lets go eevee
tm09
yellow
tm09
red blue
tm09
ruby sapphire
tm09
firered leafgreen
tm09
emerald
tm09
diamond pearl
tm09
xd
tm09
sword shield
tm11
platinum
tm11
xd
tr13
sword shield
+398 more TMs/HMs
Ogerpon-cornerstone-mask Evolution, Mega Evolution & Special Forms
Ogerpon does not evolve into or from any other Pokémon, as it is classified as a Legendary Pokémon with a fixed form structure. Instead of traditional evolution, Ogerpon's diversity comes from its four distinct mask forms—Teal Mask, Wellspring Mask, Hearthflame Mask, and Cornerstone Mask—each of which can be changed by switching the mask the Pokémon is wearing. The Cornerstone Mask form represents one of these alternatives rather than an evolutionary stage. Additionally, Ogerpon can undergo Terastallization, which provides a transformation unique to Generation IX mechanics. When Terastallized in Cornerstone Mask form, Ogerpon becomes a pure Rock-type and gains the Embody Aspect ability, which boosts its Defense stat—a particularly thematic enhancement that emphasizes the defensive, fortified nature of stone and rock. This Terastallized state is form-specific, meaning each mask variant has its own distinct Terastallized appearance and stat enhancement, with the Cornerstone variant's focus on Defense reflecting its role as a stalwart, defensive combatant. The ability to switch masks mid-adventure provides trainers with considerable flexibility in team composition and strategy without requiring breeding or traditional evolutionary methods.
Where to Find
Location data not available for this Pokémon in the database.
Ogerpon-cornerstone-mask Behaviour and Natural Habitat
According to Pokédex entries, Ogerpon is a mischief-loving Pokémon full of curiosity that battles by drawing out the type-based energy contained within its masks. In its Cornerstone Mask form, this curious nature is paired with an affinity for solid ground and rocky terrain, suggesting that this variant of Ogerpon may prefer dwelling in mountainous regions, stone formations, or areas rich in mineral deposits. The Pokédex notes that this form confounds its enemies with nimble movements and kicks despite its rock-like appearance, indicating that Ogerpon maintains remarkable agility even when channeling Stone-type energy. The mischievous disposition mentioned in the Violet Pokédex entry suggests that Ogerpon, regardless of which mask it wears, is prone to playful interactions and may actively seek out battles as a form of entertainment or curiosity satisfaction. The Cornerstone Mask form particularly emphasizes the contrast between the Pokémon's solid, defensive nature and its unpredictable, agile combat style, making encounters with this form potentially deceptive to trainers who might underestimate its mobility based on its rocky appearance.
Pokedex Entries
Generation IX
This Pokémon's type changes based on which mask it's wearing. It confounds its enemies with nimble movements and kicks.
This mischief-loving Pokémon is full of curiosity. It battles by drawing out the type-based energy contained within its masks.
Ogerpon-cornerstone-mask Name Origin & Design Inspiration
The name Ogerpon is derived from "ogre," reflecting the Pokémon's somewhat imposing, humanoid appearance, combined with "upon," possibly referencing the masks it wears or the concept of something being placed upon it. In Japanese, it is called オーガポン (Ogerpon), maintaining the ogre reference while adapting it to Japanese phonetics. The Cornerstone Mask specifically draws its inspiration from architectural and geological terminology—a cornerstone is both a literal foundational stone in construction and a metaphorical term for something fundamental and essential. This naming convention perfectly encapsulates the design philosophy: the mask represents a cornerstone of Ogerpon's combat identity when equipped, providing foundational defensive properties and Rock-type characteristics. Visually, the Cornerstone Mask features a rocky, crystalline aesthetic that resembles mineral deposits or weathered stone, with an appearance distinct from the other masks. The design emphasizes solidity and durability, with angular, geometric patterns that contrast with the organic curves of Ogerpon's base form. The mask's appearance suggests ancient, primordial stone energy—fitting for a Legendary Pokémon that draws power from different elemental sources, with the Cornerstone variant representing the earth and stone elements in their most fundamental form.
Learnable Moves
Ogerpon-cornerstone-mask can learn 62 moves:
Move | Type | Cat. | Power | Acc. | PP |
|---|---|---|---|---|---|
| brick break | fighting | Physical | 75 | 100 | 15 |
| bullet seed | grass | Physical | 25 | 100 | 30 |
| charm | fairy | Status | — | 100 | 20 |
| counter | fighting | Physical | — | 100 | 20 |
| double kick | fighting | Physical | 30 | 100 | 30 |
| encore | normal | Status | — | 100 | 5 |
| endure | normal | Status | — | — | 10 |
| energy ball | grass | Special | 90 | 100 | 10 |
| facade | normal | Physical | 70 | 100 | 20 |
| false swipe | normal | Physical | 40 | 100 | 40 |
| fling | dark | Physical | — | 100 | 10 |
| focus energy | normal | Status | — | — | 30 |
| follow me | normal | Status | — | — | 20 |
| giga drain | grass | Special | 75 | 100 | 10 |
| giga impact | normal | Physical | 150 | 90 | 5 |
| grass knot | grass | Special | — | 100 | 20 |
| grassy glide | grass | Physical | 55 | 100 | 20 |
| grassy terrain | grass | Status | — | — | 10 |
| growth | normal | Status | — | — | 20 |
| helping hand | normal | Status | — | — | 20 |
| horn leech | grass | Physical | 75 | 100 | 10 |
| ivy cudgel | grass | Physical | 100 | 100 | 10 |
| knock off | dark | Physical | 65 | 100 | 20 |
| lash out | dark | Physical | 75 | 100 | 5 |
| leaf storm | grass | Special | 130 | 90 | 5 |
| leech seed | grass | Status | — | 90 | 10 |
| low kick | fighting | Physical | — | 100 | 20 |
| low sweep | fighting | Physical | 65 | 100 | 20 |
| magical leaf | grass | Special | 60 | — | 20 |
| play rough | fairy | Physical | 90 | 90 | 10 |
| power whip | grass | Physical | 120 | 85 | 10 |
| protect | normal | Status | — | — | 10 |
| quick attack | normal | Physical | 40 | 100 | 30 |
| rain dance | water | Status | — | — | 5 |
| rest | psychic | Status | — | — | 5 |
| retaliate | normal | Physical | 70 | 100 | 5 |
| reversal | fighting | Physical | — | 100 | 15 |
| rock tomb | rock | Physical | 60 | 95 | 15 |
| sandstorm | rock | Status | — | — | 10 |
| scary face | normal | Status | — | 100 | 10 |
| seed bomb | grass | Physical | 80 | 100 | 15 |
| slam | normal | Physical | 80 | 75 | 20 |
| sleep talk | normal | Status | — | — | 10 |
| solar beam | grass | Special | 120 | 100 | 10 |
| solar blade | grass | Physical | 125 | 100 | 10 |
| spikes | ground | Status | — | — | 20 |
| spiky shield | grass | Status | — | — | 10 |
| stomping tantrum | ground | Physical | 75 | 100 | 10 |
| substitute | normal | Status | — | — | 10 |
| sunny day | fire | Status | — | — | 5 |
| superpower | fighting | Physical | 120 | 100 | 5 |
| swords dance | normal | Status | — | — | 20 |
| synthesis | grass | Status | — | — | 5 |
| take down | normal | Physical | 90 | 85 | 20 |
| taunt | dark | Status | — | 100 | 20 |
| tera blast | normal | Special | 80 | 100 | 10 |
| throat chop | dark | Physical | 80 | 100 | 15 |
| trailblaze | grass | Physical | 50 | 100 | 20 |
| u turn | bug | Physical | 70 | 100 | 20 |
| vine whip | grass | Physical | 45 | 100 | 25 |
| wood hammer | grass | Physical | 120 | 100 | 15 |
| zen headbutt | psychic | Physical | 80 | 90 | 15 |
Ogerpon-cornerstone-mask Competitive Battle Guide
Ogerpon in Cornerstone Mask form presents a formidable competitive option with a well-rounded stat distribution totaling 550 base stats. Its most impressive stat is Attack at 120, making it a potent physical attacker despite its Rock-type secondary typing typically not being associated with physical prowess. The Speed stat of 110 is notably high for a Legendary Pokémon, allowing it to outpace many conventional threats and execute its attacks before opponents can respond. Defense sits at a respectable 84, while Special Defense reaches 96, providing solid bulk on both defensive sides. The HP of 80 is relatively modest for a Legendary, but when combined with its defensive capabilities and the Sturdy ability, it becomes considerably more durable than raw numbers suggest. Sturdy as Ogerpon's ability is exceptionally valuable in competitive play, preventing one-hit knockout moves and guaranteeing that if Ogerpon is hit while at full health, it will survive with at least 1 HP remaining—a significant advantage in otherwise unwinnable matchups. The Cornerstone Mask form's typing of Grass/Rock grants it useful resistances to Normal, Flying, and Poison-type moves while providing immunity to sandstorm damage through its Rock typing. When Terastallized, Ogerpon becomes pure Rock-type and gains the Embody Aspect ability, which boosts its Defense stat even further, creating an exceptionally bulky wall that becomes increasingly difficult to breach. This competitive flexibility, combined with access to a diverse movepool and the strategic depth of mask-switching, makes Cornerstone Mask Ogerpon a versatile choice capable of fitting multiple team archetypes and playstyles in competitive environments.
Commonly Asked Questions About Ogerpon-cornerstone-mask
What type is Ogerpon-cornerstone-mask?
Ogerpon-cornerstone-mask is a grass and rock type Pokemon.
What does Ogerpon-cornerstone-mask evolve into?
Ogerpon-cornerstone-mask does not evolve.
What are Ogerpon-cornerstone-mask's weaknesses?
Ogerpon-cornerstone-mask is weak to fighting, steel, bug and ice type moves.
Ogerpon-cornerstone-mask Cultural Impact & Franchise History
Ogerpon holds significant cultural importance as the mascot Legendary Pokémon of The Teal Mask DLC expansion, representing the narrative and thematic core of the Hidden Treasure of Area Zero story arc. Its introduction in Generation IX marked a notable evolution in Legendary Pokémon design philosophy, introducing the innovative mask-swapping mechanic that allows for genuine gameplay and aesthetic variety without relying on Mega Evolution or form-changing mechanics from previous generations. The Cornerstone Mask form, in particular, resonates with players who appreciate defensive, strategic gameplay and creatures that embody elemental stability and earthen strength. Within the community, Ogerpon has become emblematic of the creative directions Game Freak took with Scarlet and Violet's post-launch content, demonstrating that new Legendary Pokémon could offer mechanical innovation alongside traditional legendary prestige. The mask system has been praised for allowing trainers to adapt Ogerpon to their team's needs and personal aesthetic preferences, fostering a sense of customization and ownership often lacking in legendary encounters. Ogerpon's role in the Kitakami Pokédex as the final entry (#200 locally) elevated its narrative significance, positioning it as the ultimate discovery and reward for thorough regional exploration, a tradition cherished by fans seeking comprehensive Pokédex completion.
Where to Find Ogerpon-cornerstone-mask in Every Pokémon Game
Ogerpon is encountered in The Teal Mask DLC for Pokémon Scarlet and Violet as a crucial story encounter in the Kitakami region, where it appears as the final Pokémon in the local Pokédex (#200). The encounter serves as a climactic moment in the DLC narrative, with specific story circumstances determining the initial mask Ogerpon wears. With a capture rate of merely 5 (equivalent to approximately 0.7% success with a standard Poké Ball when at full health), Ogerpon is exceptionally difficult to catch, rivaling the difficulty of other legendary encounters in the series. This low capture rate necessitates either depleting Ogerpon's HP significantly or utilizing status conditions like paralysis or sleep to improve capture chances meaningfully. Once obtained, trainers can switch Ogerpon's masks within the Kitakami region under specific circumstances, allowing them to customize its form and typing to suit their needs and preferences. The Cornerstone Mask form cannot be obtained through breeding or egg hatching since Ogerpon belongs to the Undiscovered egg group and is genderless, meaning every player must encounter and capture the Legendary directly to obtain it. The availability is restricted to players who have purchased and accessed the Hidden Treasure of Area Zero DLC content, making it exclusive to the expanded Pokémon Scarlet and Violet experience rather than available in the base game versions.