After Ash and Goh watch Korrina and her Mega Lucario win a battle at the Shalour City Gym, talk turns to Mega Evolution. Korrina gives Ash a Mega Glove with a Key Stone, but Lucario can’t Mega Evolve unless it holds a Lucarionite of its own, so our h... (more)eroes set off to Mega Island to find one. When they get there, everyone gets separated, but Ash and Lucario use Aura to reunite…and find the Lucarionite! But an unusual old man suddenly appears and issues a challenge: Lucario has to take the Lucarionite from his Mega Alakazam first. Lucario succeeds—and the old man is revealed to be Gurkinn in disguise!