Question: where to get gyarados mega stone in pokemon x?
Answer: Mega Pinsir: You can find this stone, Pinsirite, in the Santalune Forest during the post-game. It is exclusive to Pokémon X. Mega Gyarados: You can find this stone, Gyaradosite, in Couriway Town during the post-game. Mega Aerodactyl: You will be given this stone, Aerodactylite, in Ambrette Town.