Mega Ring is a key item in X and Y that allows Mega Pokémon to evolve. It can be received by Korrina at the Tower of Mastery after defeating her in the Shalour City Gym. It only allows one Pokémon to use it per battle. Alain also wears the Mega Ring in the anime.
Known trainers with a Mega Ring
- Calem (as the player or rival during post-game only, uses on Absol)
- Serena (as the player or rival during post-game only, uses on Absol)
- Alain (around in Kalos, uses on Charizard as Mega Charizard X)*
* - Anime only