- At the beginning of the Pokemon XY Episode 30, a trainer named Korrina challenged Ash for a friendly battle.
- Korrina chooses Lucario Pokemon and Ash choose Pikachu and Lucario and Korrina win.
- Korrina tell Ash and his friend that she wanted to mega evolve Lucario.
- Team rocket came there and caught Pikachu and Lucario and they both get free from their box by his powerful attacks.
- Ash and Korrina find them and together they fight with Team Rocket and defeated them.
- Ash and his friend want to see Lucario’s Mega evolution so they decided to go with Korrina.