Key Stone is a stone in Pokémon that allows Mega Evolution. It is general lodged into an accessory worn by worthy trainers, usually a bracelet.
's Contest Mega Bracelet
's Key Stone Accessory
Ad blocker interference detected!
Wikia is a free-to-use site that makes money from advertising. We have a modified experience for viewers using ad blockers
Wikia is not accessible if you’ve made further modifications. Remove the custom ad blocker rule(s) and the page will load as expected.