A significant plot element is the , a mechanical arm brace invented by Melissa Shield .
: All Might and Izuku Midoriya travel to the island for the "I-Expo" to visit All Might's old friend, David Shield . During a formal gala, a group of villains hacks the security system and takes everyone on the island hostage. Key Characters Boku no Hero Academia the Movie 1: Futari no He...
: The device can only withstand three 100% smashes before breaking. This item enables the film's climax, where Midoriya and All Might fight side-by-side using their full power. Production & Reception Boku no Hero Academia the Movie 1 - Jon Spencer Reviews A significant plot element is the , a
: All Might’s former sidekick from his younger days in America. He is a world-renowned scientist and the inventor of All Might’s hero suits. Key Characters : The device can only withstand
: The main antagonist and a leader of a group of thieves. He possesses a Metal Manipulation Quirk and is secretly aided by All For One, who provides him with a Quirk-amplifying device.
The story is set on , a massive, man-made floating city housing over 10,000 scientists who research Quirks and hero support items. The island is governed by security systems on par with the Tartarus prison.