Oda reveals there is a Devil Fruit Encyclopedia that contains info on all the known Devil Fruits. He also implied Vegapunk knows the origins of Devil Fruits.
Absalom's lion mouth came from the lion with a human face, however it is unknown if the human face on the lion is Absalom's face.
Ace's height and weight are revealed.
Oda states what positions the Straw Hats would have if they were an actual family.
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