Battle mechanics took on a new direction in the main series during Generation 6 with the addition of Mega Evolution. This special form of evolution isn't permanent, unlike regular evolution mechanics. Trainers must raise a Pokémon capable of Mega Evolution, obtain an item called a Key Stone, and the Pokémon must be holding a Mega Stone. Once Mega Evolution is achieved, a Pokémon can deal powerful moves during battle, while also sporting an exciting, temporary Mega Form design. After the introduction of 's Mega Evolution mechanic in, it appeared in several other titles.
However, the mechanics work differently in each game. Currently, there are 46 Pokémon species that possess the ability to Mega Evolve. Like Dynamax, Gigantamax, and Terastallization, Mega Evolution can only be used once during a battle. Unlike Dynamax, however, it doesn't have a turn-based time limit. A Pokémon stays Mega Evolved even if it is recalled to its Poké Ball during a battle or wild encounter and will only revert after the battle has ended, or the Pokémon is knocked unconscious. However, only one Pokémon on the team can Mega Evolve during the battle, which hints at its game-changing firepower.
Pokémon Legends: Z-A is set to be in the Kalos region, and through Arceus, the latest title may have just teased the next game's region.
Mega Evolution in introduced 28 capable Pokémon species. These include the fully-evolved Kanto starters, as well as Legendary Pokémon like Latias, Latios, and Mewtwo. Mewtwo and Charizard each were given two different Mega-Evolution forms, Mega Mewtwo X and Y and Mega Charizard X and Y, respectively. The version each Pokémon gets depends on the Mega Stone they are holding, which is version-exclusive to either or. It is stated in that the first Pokémon capable of Mega Evolution was the dual Fighting- and Steel-type Lucario.
Oddly, despite Mega Evolution being a key mechanic in, it was not applied to the region-specific Legendary Pokémon for Kalos, Xerneas, Yveltal,
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