If anyone still doubted that Eiichiro Oda is the greatest prankster in manga history, his latest move has officially confirmed it. After nearly three decades of countless conspiracy theories, forums flooded with detailed analyses, and millions of fans obsessed with decoding what the One Piece treasure truly is, the creator has made a bold decision.
To keep this secret safe, Oda chose to imitate the legendary Gol D. Roger in real life.
The secret lies 651 meters beneath the sea
Through a special video on the official One Piece YouTube channel, fans witnessed Eiichiro Oda holding a piece of paper and writing down the final answer to the greatest mystery in contemporary pop culture: the true nature of the One Piece treasure.
But instead of storing it at Shueisha’s office, Oda took excitement to the next level. The video shows the paper being torn out, folded in half, placed inside a miniature treasure chest, and sealed within a pressure-resistant glass sphere. Then, this “treasure” was dropped at a secret spot on the ocean floor, exactly 651 meters deep. It will remain there until the series officially concludes.

The treasure is real, and so is fan desperation
Since its debut in 1997, the strongest clue Oda has given is that Joy Boy’s treasure is a real, tangible reward. This completely debunks the controversial theory that One Piece is just “the friends we made along the way.”
Although Luffy and the Straw Hat crew are now in the final saga, the official ending date has not yet been set. For now, the greatest secret in human history lies “sleeping with the fish” at the bottom of the deep sea.
Given the passion of the Otaku community, will some wealthy sponsor fund a submarine expedition to hunt down this chest before the series ends?