Z-A reveals the official names of the game's protagonists, Paxton and Harmony. The names follow a theme of peace and balance, aligning with the game's setting in Lumiose City's redevelopment. The protagonists' names contain intentional references to the Kalos region and the X and Y games.

Pokémon Legends Z-A is the second of a new style of mainline Pokémon games, with a free third-person camera, an open world, and revamped combat. While Legends Arceus took place in an ancient Sinnoh region,

Revealed during March 27's Nintendo Direct, Pokemon Legends: Z-A new gameplay twist takes place after the sun sets upon Lumiose City. Though the urban sprawl might be peaceful by day, at night the city takes on a different aura as highly skilled trainers wander the streets eager to battle and rank up in the Z-A Royale.