Key Stone

The Key Stone is a key item introduced in Generation VI that is used along with a Pokémon holding their respective Mega Stone in order to Mega Evolve. They are typically embedded in a personal accessory worn by the Trainers.
==Known Trainers with a Key Stone==
===Games===
*Calem's Mega Ring (as the player character or rival, uses on Absol)
*Serena's Mega Ring (as the player character or rival, uses on Absol)
*Brendan's Mega Bracelet (as the player character or rival)
**Brendan's Mega Cuff (as the player character during contests)
*May's Mega Bracelet (as the player character or rival)
**May's Mega Charm (as the player character during contests)
*Wally's Mega Pendant (uses on Gallade)
*Korrina's Mega Glove (uses on Lucario)
*Lisia's Mega Tiara (uses on Altaria)
*Lysandre's Mega Ring (uses his specially invented cybernetic Mega Ring on Gyarados)
*Maxie's Mega Glasses (uses on Camerupt)
*Archie's Mega Anchor (uses on Sharpedo)
*Diantha's Mega Charm (uses on Gardevoir)
*Steven Stone's Mega Stickpin (uses on Metagross)
*Zinnia's Mega Anklet (uses on Salamence)
===Anime===
====Main====
Brock Key Stone.png|Brock's Mega Necklace.
Misty Key Stone.png|Misty's Mega Hairband.
Ash Ketchum Key Stone.png|Ash's Mega Glove.
*Brock's Mega Necklace (uses on Steelix)
*Misty's Mega Hairband (uses on Gyarados)
*Ash's Mega Glove (uses on Lucario)
====Recurring====
Meyer Key Stone.png|Meyer/Blaziken Mask's Mega Belt.
Alain former Key Stone.png|Alain's former Mega Ring.
Diantha anime Key Stone.png|Diantha's Mega Charm.
Korrina anime Key Stone.png|Korrina's Mega Glove.
Gurkinn Key Stone 1.png|Gurkinn's Mega Glove.
Steven Stone anime Key Stone.png|Steven Stone's Mega Stickpin.
Professor Sycamore Key Stone.png|Professor Sycamore's Key Stone.
Malva Key Stone.png|Malva's Mega Necklace.
Lysandre Key Stone.png|Lysandre's Mega Ring.
Wulfric Key Stone.png|Wulfric's Mega Locket.
Trevor Key Stone.png|Trevor's Mega Camera.
Sawyer Key Stone.png|Sawyer's Mega Bookmark.
Gozu Key Stone.png|Gozu's Mega Dog-Tag Necklace.
Ilima Key Stone.png|Ilima's Mega Wrist Band.
Gurkinn Key Stone 2.png|Gurkinn's Mega Beard Band.
Alain Key Stone.png|Alain's current Mega Ring.
Cynthia Key Stone.png|Cynthia's Mega Lip Balm.
*Meyer's Mega Belt (uses on Blaziken)
*Alain's former Mega Ring (uses on Charizard - Mega Charizard X)
*Diantha's Mega Charm (uses on Gardevoir)
*Korrina's Mega Glove (uses on Lucario)
*Gurkinn's Mega Glove (uses on Lucario)
*Steven Stone's Mega Stickpin (uses on Metagross)
*Professor Sycamore's Key Stone (uses on Garchomp)
*Lysandre's Mega Ring (uses on Gyarados)
*Malva's Mega Necklace (uses on Houndoom)
*Wulfric's Mega Locket (uses on Abomasnow)
*Trevor's Mega Camera (uses on Charizard - Mega Charizard Y)
*Sawyer's Mega Bookmark (uses on Sceptile)
*Gozu's Mega Dog-Tag Necklace (uses on Aggron)
*Ilima's Mega Wrist Band (uses on Kangaskhan)
*Gurkinn's Mega Beard Band (uses on Alakazam)
*Alain's current Mega Ring (uses on Charizard - Charizard X)
*Cynthia's Mega Lip Balm (uses on Garchomp)
====Minor====
Red Key Stone.png|Red's Key Stone.
Astrid Key Stone.png|Astrid's Mega Earring.
Remo Key Stone.png|Remo's Mega Parasol.
Siebold Key Stone.png|Siebold's Mega Buckle.
Mabel Key Stone.png|Mabel's Mega Staff.
Trainer Mega Watch.png|A Trainer's Mega Watch.
Trainer Mega Turban.png|A Trainer's Mega Turban.
Bannete Key Stone.png|A Trainer's Mega Puppet.
Kimia Key Stone.png|Kimia's Mega Bracelet.
Drasna Key Stone.png|Drasna's Mega Bracelet.
Lisia Key Stone.png|Lisia's Mega Tiara.
*Red's Key Stone (uses on Charizard - Mega Charizard X)
*Astrid's Mega Earring (uses on Absol)
*Remo's Mega Parasol (uses on Garchomp)
*Siebold's Mega Buckle (uses on Blastoise)
*Mabel's Mega Staff (uses on Mawile)
*A Trainer's Mega Watch (uses on Venusaur)
*A Trainer's Mega Turban (uses on Alakazam)
*A Trainer's Mega Puppet (uses on Banette)
*Kimia's Mega Bracelet (uses on Gardevoir)
*Drasna's Mega Bracelet (uses on Altaria)
*Lisia's Mega Tiara (uses on Altaria)
==Trivia==
*In the games, each type of Key Stone also exists as items in the game data for their names to be used as text when the Trainers Mega Evolve their Pokémon. Except for the obtainable types, Mega Cuff, and Mega Charm, those Key Stones' Bag sprites are question marks ().
==Gallery==
===Games===
Calem Mega Ring.png|Calem's Mega Ring in the official artwork.
Serena Mega Ring.png|Serena's Mega Ring in the official artwork.
Brendan Mega Bracelet.png|Brendan's Mega Bracelet in the official artwork.
May Mega Bracelet.png|May's Mega Bracelet in the official artwork.
Diantha Key Stone.png|Diantha's Mega Charm in the official artwork.
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