What Is Mega Evolution?

Mega Evolution is an Evolution that goes beyond all previous Pokémon Evolutions. Pokémon that Mega Evolve temporarily unleash the power hidden within them, tapping into a strength that would be beyond imagining in regular Evolution.

There are two conditions that must be fulfilled for Mega Evolution to occur. First, Trainers must wear a special item called a Key Stone, while Pokémon must hold a specific Mega Stone for their particular species. Second, a Trainer must have a strong bond with his or her Pokémon in order for these two items to resonate with each other.

Mega Evolution can only be triggered once per battle, and deciding which Pokémon to Mega Evolve—and when—can be crucial in deciding the outcome of a battle.
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