During Mega Evolution Special I, after Charmeleon evolved into a Charizard, Alain battled a Trainer named Astrid, and defeated her Mega Absol. The battle was secretly watched by Mairin, a beginning Trainer who was sent out on a journey by Professor Sycamore. Mairin was so impressed with his strength that she began following him. From Mairin, Alain learned of a Trainer who leaped off of Prism Tower to save a Pokémon. Next, Alain received a call on his Holo Caster from a mysterious person (later revealed to be Lysandre), who directed him to a location with ruins to retrieve a Mega Stone. After getting the Mega Stone, Alain was confronted by a Trainer named Remo who was also looking for the Mega Stone. Remo challenged him with a Mega Garchomp. Alain easily won the battle, and kept the Mega Stone.
Afterwards he helped Mairin capture a Flabébé. He then traveled with her to a restaurant where Elite Four member Siebold was working as a chef and challenged him to a battle, seemingly unaware that at the same time his Charizard's energy levels were being monitored by Lysandre. Charizard put up a good fight against Siebold's Blastoise, but when Blastoise Mega Evolved, it overwhelmed Charizard using a Mega Launcher-boosted Dragon Pulse. Accepting his defeat, Alain continued his journey to battle more Mega Evolved Pokémon and complete more assignments from Lysandre, now with Mairin as a traveling partner.