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The Diancite mega stone is used to Mega Evolve Diancie.


  • In Battle: To use Diancite while in battle, send Diancie out, click fight, click on the new Mega Evolution button above your 4 moves. You need to have a Mega Bracelet and Diancie has to be holding the Diancite. If you don’t have either the Mega Bracelet or Diancite you can’t Mega Evolve.
  • Out of Battle: To use Diancite while outside of battle, send out Diancie, look at the Diancie, press the K (default) button on your keyboard to make Diancie Mega Evolve.

Obtain methods

  • Diancite can be obtained by defeating a Mega Diancie. The first time you beat Mega Diancie it will drop the mega stone with a 100% chance, any time after that there will be a 1/40 chance that it will drop the mega stone.