The former Admiral reappears after leaving the Marines, acting as a neutral observer who provides critical information to the Straw Hats. Themes and Critical Reception
Z steals the Dyna Stones , powerful weapons comparable to Ancient Weapons that explode upon contact with oxygen. His goal is the "Grand Reboot"—destroying three "End Points" in the New World to cause a massive volcanic eruption that would wipe out all pirates, though it would also kill countless innocent civilians. One Piece Film Z
The story follows , a legendary former Marine Admiral now known as "Z," who leads a splinter group called the Neo Marines . The former Admiral reappears after leaving the Marines,