Ever since the blast of the ultimate weapon five years ago, the man known as Lysandre was no more as if lost in the rubble. Now known as L, he wandered the Kalos region assisting Zygarde in restoring their legendary power after it had been used up to protect others in the blast. It was the least he could do, as Zygarde had saved his life from an explosion that would have surely been his demise along with two of his Pokémon companions. He couldn't remember much of his past but what he could remember, it filled him with regret for what he'd done to achieve a beautiful world. With the threat of Ange surely approaching Lumiose City, he would do his best to prepare Zygarde for what was to come.

When Zygarde ran off to Hotel Z, L watched from a distance as the legendary Pokémon challenged a trainer to a battle. To his surprise, the trainer managed to defeat Zygarde who handed them a seemingly ordinary pebble. If this trainer had interested Zygarde, could they join Zygarde in the upcoming fight against Ange? "So you're the one. The Pokémon Trainer who has earned the attention of Zygarde." L said as he approached the trainer from where he watched a few feet away, glancing between them and Zygarde.