Lucario VS Bursyamo! The Cave of Trials!! : Season 17 Episode 31

Along with Shara Gym Leader Corni, our heroes have arrived in Sekitai Town to search for the Lucarionite, the Mega Stone needed for Lucario's Mega Evolution. A photographer points them to a cave deep within the mountains, but warns them it might be dangerous. Sure enough, when they get to the cave, the Rocket-Dan trio come flying out, propelled by some unseen force. But Corni is determined, and our heroes follow her into the cave. Inside, they do find the Lucarionite - and it's guarded by a powerful Bursyamo, which challenges Corni and Lucario to a battle. It's a bad ...