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Repair common Windows errors and clear accumulated junk for a smoother, more stable PC - no reinstall needed.Free scan · no reinstallSpoilers: This guide names late-game and Mega Dimension Pokémon. Mega Evolution returns in Pokémon Legends: Z-A: a Trainer’s Key Stone resonates with a Pokémon-held Mega Stone, temporarily unleashing the Pokémon’s hidden energy. The official Pokémon game pages confirm the mechanic and some forms, while Nintendo Life’s dated guides provide the broadest roster lists covered here. Those guides mix base-game, update and reward forms, so their counts should not be read as an official Pokémon Company total.
How to read the roster
The Pokémon Company’s Mega Evolution index visibly names Mega Charizard X, Mega Charizard Y, Mega Kangaskhan, Mega Ampharos, Mega Gardevoir, Mega Sableye, Mega Altaria, Mega Absol and Mega Lucario. That readable index is not a complete roster. The longer lists below draw on Nintendo Life’s December 10, 2025 base-game guide and December 17, 2025 Mega Dimension guide. Treat them as dated guide coverage, not an official final count; availability can depend on updates, online rewards or DLC.
The base-game guide’s table contains 72 entries, but the later DLC guide classifies Mega Baxcalibur as a newly introduced Mega Dimension form. Because those two dated lists conflict on its placement, Mega Baxcalibur is marked separately rather than presented as an unqualified base-game form. The base-guide table also includes forms distributed through updates and Ranked Battle rewards.
Forms in the base-game guide
The following 72 names appear in Nintendo Life’s December 10, 2025 base-game guide. This is the guide’s reported table, not a guarantee that every form is available from ordinary offline story play.
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- Venture into Hyperspace Lumiose in this additional story content that can be accessed after completing the main game
- Work with the mysterious baker, Ansha, to make donuts that awaken the Mythical Pokémon Hoopa’s power and grant you and your Pokémon a variety of useful effects
- Join Team MZ and the Mega Evolution Successor, Korrina, to investigate Hyperspace Lumiose, the otherworldly home to rare and hyper-strong Pokémon
- Discover new Mega Evolutions such as Mega Raichu X, Mega Raichu Y, Mega Chimecho and Mega Baxcalibur
- Claim Holo-X and Holo-Y in-game apparel items, which you can wear as soon as you are able to customize your character’s look and outfit in the main game
Johto, Hoenn and earlier Pokémon
- Mega Beedrill
- Mega Pidgeot
- Mega Ampharos
- Mega Gyarados
- Mega Starmie
- Mega Clefable
- Mega Alakazam
- Mega Gengar
- Mega Victreebel
- Mega Medicham
- Mega Manectric
- Mega Gardevoir
- Mega Houndoom
- Mega Altaria
- Mega Banette
- Mega Camerupt
- Mega Sableye
- Mega Mawile
- Mega Absol
- Mega Slowbro
- Mega Sharpedo
- Mega Venusaur
- Mega Charizard X
- Mega Charizard Y
- Mega Blastoise
- Mega Glalie
- Mega Froslass
- Mega Abomasnow
- Mega Scizor
- Mega Pinsir
- Mega Heracross
- Mega Aerodactyl
- Mega Steelix
- Mega Aggron
- Mega Tyranitar
- Mega Salamence
- Mega Kangaskhan
- Mega Metagross
- Mega Mewtwo X
- Mega Mewtwo Y
- Mega Sceptile
- Mega Blaziken
- Mega Swampert
Newer and Kalos-region Pokémon
- Mega Barbaracle
- Mega Eternal Flower Floette
- Mega Pyroar
- Mega Scolipede
- Mega Gallade
- Mega Audino
- Mega Lopunny
- Mega Excadrill
- Mega Garchomp
- Mega Eelektross
- Mega Dragonite
- Mega Malamar
- Mega Dragalge
- Mega Hawlucha
- Mega Scrafty
- Mega Chandelure
- Mega Falinks
- Mega Skarmory
- Mega Drampa
- Mega Zygarde
- Mega Chesnaught
- Mega Delphox
- Mega Greninja
- Mega Diancie
Starter forms and the Baxcalibur discrepancy
- Mega Meganium
- Mega Emboar
- Mega Feraligatr
- Mega Baxcalibur — included in the December 10 base-game table, but identified as a new Mega Dimension form in the December 17 DLC guide. Its placement differs between those guides.
Special availability: Ranked Battle and Mewtwo
Chesnaught, Delphox and Greninja
A September 12, 2025 Pokémon announcement says the Mega Stones for Mega Chesnaught, Mega Delphox and Mega Greninja are promotion rewards in online Ranked Battles, rather than items normally obtained through regular gameplay. That announcement said redistribution in future seasons was planned; it does not establish the current season’s availability. Check the in-game Ranked Battle notices for the current reward window.
Mewtwo X and Y
According to the Pokémon Company’s December 2, 2025 Mewtwo notice, the Mega Stones for Mega Mewtwo X and Mega Mewtwo Y are received through Mystery Gift, and either game edition can receive them. An additional Mewtwo side mission requires completion of the main story. These are dated instructions, so confirm current Mystery Gift availability in-game.
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- Your journey will take you to all manner of sights in the streets arrayed around Prism Tower, including shops, restaurants, and places called wild zones—where Pokémon roam free.
- As you catch, train, and battle Pokémon, there will be plenty of people to meet too—like AZ, the enigmatic owner of Hotel Z.
Additional forms in Mega Dimension
Mega Dimension is post-main-story DLC, not part of the base game. The official DLC overview names some forms, including Mega Raichu X and Mega Raichu Y, Mega Chimecho, Mega Baxcalibur, Mega Zeraora, Mega Lucario Z and Mega Garchomp Z. Nintendo Life’s December 17, 2025 DLC guide provides this broader list of newly introduced forms:
- Mega Raichu X
- Mega Raichu Y
- Mega Baxcalibur
- Mega Chimecho
- Mega Zeraora
- Mega Lucario Z
- Mega Absol Z
- Mega Crabominable
- Mega Scovillain
- Mega Staraptor
- Mega Tatsugiri
- Mega Golisopod
- Mega Golurk
- Mega Meowstic
- Mega Heatran
- Mega Glimmora
- Mega Darkrai
- Mega Magearna
The guide says Mega Tatsugiri has three forms. The list is secondary-source coverage; the official DLC overview does not name every entry above.
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- [REAL-TIME BATTLE ENGINE] For the first time in the Pokémon RPG series, command your Pokémon in seamless real-time battles. Engage over 100+ unique species with zero loading transitions, utilizing an upgraded combat AI that leverages the increased processing power of the Switch 2 hardware.
- [MEGA EVOLUTION MECHANICS] Master the power of Mega Evolution to suppress rampaging Rogue Mega-Evolved Pokémon appearing across the Kalos region. This edition introduces 15+ newly discovered Mega-Evolved forms, each rendered with dynamic particle effects and exclusive Z-A signature moves for tactical depth.
- [MULTIPLAYER Z-A ROYALE] Compete in the Z-A Royale each night to test your skills against global Trainers. Supported by Nintendo Switch 2's improved low-latency wireless architecture, these competitive events allow you to climb leaderboards and unlock rare evolution stones in 20-player lobbies.
- [EXPANSIVE WILD ZONES] Explore vibrant Wild Zones where Pokémon roam free in their natural habitats, from bustling city shops to hidden restaurants. This Hong Kong physical edition is region-free and supports English, Traditional Chinese, and Japanese, featuring the enigmatic AZ and the peacekeeping Team MZ.
Returning forms also listed for the DLC
The DLC guide also identifies these returning forms, which it distinguishes from newly created Mega Evolutions:
- Primal Kyogre
- Primal Groudon
- Mega Rayquaza
- Mega Latias
- Mega Latios
Do not rely on the DLC guide’s acquisition or type details for Primal Kyogre and Primal Groudon: its table appears internally inconsistent on both points. The names are useful roster references, but those specific details are not established here.
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- Live the life of a Pokémon Trainer in the streets of Lumiose City!
- For the first time in the Pokémon RPG series, command your Pokémon in real-time battles
- Use the power of Mega Evolution in battle and take on rampaging Rogue Mega-Evolved Pokémon
- Compete in the Z-A Royale each night to test your skills and try to become the strongest Pokémon Trainer
- Visit shops, restaurants, and places called wild zones—where Pokémon roam free—all centered around Prism Tower
What Mega Evolution changes
The official Pokémon game page describes Mega Evolution as temporarily releasing a Pokémon’s hidden energy. A Pokémon holds its Mega Stone while its Trainer’s Key Stone resonates with it; the Pokémon changes appearance, and some Mega Evolutions may change type. That general description does not establish a particular form’s type or battle role, so those specifics are not inferred in this roster.
For the distinction that matters when collecting forms, use the relevant category: the base-game guide’s roster is broad but includes later-distributed entries; three starter-line Mega Stones were tied to Ranked Battle promotions in the dated announcement; and the additional Mega Dimension forms require the post-story expansion. Official Pokémon pages establish the named mechanics and selected DLC forms, while the fuller lists above rely on the two dated Nintendo Life guides.
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