Here is every Mega Evolution that has been officially announced and will appear in the upcoming Pokemon Legends Z-A.

Pokemon Legends Z-A is coming this year on October 16, 2025 (and subsequently will be playable on the Nintendo Switch 2 as well). One of the features that players have been looking forward to is the return of Mega Evolution.
Out of the 48 Mega Evolutions in the franchise before Pokemon Legends Z-A, all but Mega Rayquaza are likely to return in Pokemon Legends Z-A. This information comes from a datamine by @CentroLeaks, who has been known to report on these things with a high level of accuracy. However, as this information is yet to be officially revealed take it with a grain of salt.
Returning Mega Evolutions in Pokemon Legends Z-A

The returning Mega Evolutions as per the datamine are as follows:
- Mega Charizard X
- Mega Charizard Y
- Mega Blastoise
- Mega Venusaur
- Mega Kangaskhan
- Mega Gyarados
- Mega Salamence
- Mega Ampharos
- Mega Steelix
- Mega Lucario
- Mega Alakazam
- Mega Absol
- Mega Gallade
- Mega Gardevoir
- Mega Scizor
- Mega Sableye
- Mega Altaria
- Mega Pidgeot
- Mega Lopunny
- Mega Gengar
- Mega Banette
- Mega Slowbro
- Mega Tyranitar
- Mega Pinsir
- Mega Aerodactyl
- Mega Heracross
- Mega Houndoom
- Mega Mewtwo X
- Mega Mewtwo Y
- Mega Blaziken
- Mega Mawile
- Mega Aggron
- Mega Medicham
- Mega Manectric
- Mega Latios
- Mega Latias
- Mega Garchomp
- Mega Abomasnow
- Mega Beedrill
- Mega Sceptile
- Mega Swampert
- Mega Sharpedo
- Mega Camerupt
- Mega Glalie
- Mega Metagross
- Mega Audino
- Mega Diancie
The only one of the returning Mega Evolutions who does appear to be returning is Mega Rayquaza. This may indicate that its move Dragon Ascent will not be part of the game’s code.
New Mega Evolutions in Pokemon Legends Z-A

New Pokemon Legends Z-A Mega Evolutions announced so far:
- Mega Dragonite
- Mega Victreebel
- Mega Hawlucha
- Mega Malamar
- Mega Raichu X
- Mega Raichu Y
- Mega Chesnaught
- Mega Delphox
- Mega Greninja
There are several rumored new Mega Evolutions that may be appearing in the games. This information comes from leakers online, who have been relatively accurate in the past. As a matter of fact, Mega Dragonite was also among the Pokemon leaked in advance. For those of you interested, you can check out a list of Pokemon Legends Z-A leaks that we have compiled.
Pokemon Legends Z-A Introduces “Rogue Mega Evolutions”

Ever since Pokemon Sword and Shield, mainline Pokemon games have included a Raid mechanic involving fighting a “Boss Pokemon.” For Legends Z-A, this appears to be “rogue Mega Evolutions.” According to previous lore, Pokemon can only undergo Mega Evolution thanks to the bond with their trainer. However, random Pokemon seem to be doing so in the wild and are causing a lot of destruction which you have to stop.
The trailer indicates that we will team up with other trainers to bring down these wild Mega Pokemon. In addition to this the trailer indicates that the player acquires the means to Mega Evolve the same Pokemon if it is in your party after defeating it.
We will be updating this article when more and more information on this game as the publisher reveals it. So, get ready to go on an adventure with your favorite Mega Pokemon once again.

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