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In the early chapters of the One Piece manga, we are introduced to Chopper and cherry blossoms. I believe this is a deliberate hint from author Eiichiro Oda, suggesting that at some point in the story, a virus or plague will be unleashed during a war to gain an advantage. And only cherry blossoms will hold the cure for this devastating plague..
Chemical weapons are likely to play a significant role in the final war of One Piece. I believe that ancient weapon Pluton is a GIANT ROBOT that can transform into a battleship...It will be used to launch chemical attacks capable of causing deadly diseases...
There are two Plutons in existence: the original Pluton hidden in Wano, and a replica created by Franky based on its blueprints. The evil Pluton will launch chemical attacks and deadly poisonous gases, while the good Pluton, controlled by the Straw Hats, will release curative and anti-poison gases to counter the effects of the evil Pluton..
The good Pluton, activated by Luffy's heartbeat (the One Piece treasure, or Mecha Heart), will disperse cherry blossoms into the air to spread the cure to those infected by the plague.
Additionally, the evil Pluton will release anti-Devil Fruit smoke into the air, creating a fog-like substance that weakens and immobilizes Devil Fruit users..
In the early chapters of the One Piece manga, we are introduced to Chopper and cherry blossoms. I believe this is a deliberate hint from author Eiichiro Oda, suggesting that at some point in the story, a virus or plague will be unleashed during a war to gain an advantage. And only cherry blossoms will hold the cure for this devastating plague..

Chemical weapons are likely to play a significant role in the final war of One Piece. I believe that ancient weapon Pluton is a GIANT ROBOT that can transform into a battleship...It will be used to launch chemical attacks capable of causing deadly diseases...

There are two Plutons in existence: the original Pluton hidden in Wano, and a replica created by Franky based on its blueprints. The evil Pluton will launch chemical attacks and deadly poisonous gases, while the good Pluton, controlled by the Straw Hats, will release curative and anti-poison gases to counter the effects of the evil Pluton..
The good Pluton, activated by Luffy's heartbeat (the One Piece treasure, or Mecha Heart), will disperse cherry blossoms into the air to spread the cure to those infected by the plague.
Additionally, the evil Pluton will release anti-Devil Fruit smoke into the air, creating a fog-like substance that weakens and immobilizes Devil Fruit users..