One Piece creator hides the series’ ultimate secret in a deep-sea capsule; fans think they’ve tracked it

After nearly three decades of speculation, the creator of the long-running pirate saga took an unprecedented step to protect its biggest secret. He wrote the true identity of the treasure, split the message, and sealed half inside a deep-sea capsule. The symbolic stunt thrilled fans, sparked online investigations, and reinforced the story’s enduring mystery as it approaches its final saga.