Up to 4 players can play in co-op during the game's battle scenes. Exploration and story mode are not cooperative (one player controls the avatar).
A brand new adventure awaits in a fantasy world filled with magic, knights, dragons and mystery in Tales of Zestiria. Two nations fight for supremacy and the fate of the realm lies in the hands of Sorey, an inquisitive young adventurer who takes on the burden of becoming the Shepherd, the one the legends foretold would become the savior of all. Together with Lailah, the Lady of the Lake, who guards the Sacred Blade, and his best friend Mikleo, Sorey soon discovers a powerful force rising in the shadows.More Info @ PCGamingWiki