(2012) is the twelfth feature film in the franchise and is widely regarded as one of its best, primarily for its compelling villain and high-stakes plot. Key Plot Features
Early in the film, Z's subordinate Ain uses her Modo Modo no Mi powers to de-age Nami, Robin, and Chopper by 12 years, forcing the crew to hunt down the Neo Marines to restore them. Production Highlights One Piece Film: Z
Z wields the "Battle Smasher," a massive mechanical arm made of Seastone, which allows him to nullify the powers of Devil Fruit users like Luffy.