Mori Mori no Mi, One Piece Wiki

The Mori Mori no Mi is a Logia-type Devil Fruit that grants the power to create, control, and transform into flora at will, making the user a Forest Human (森人間, Mori Ningen?, English adaptations: "Woodsman"). It was eaten by Aramaki, better known as Admiral Ryokugyu. Mori (森?) is the Japanese word for "forest". A holder of this Logia power can create, control, and transform into plants: namely those that make up forests. The user's body can partially or fully take on the characteristics of trees

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Threat: Why The Mori Mori no Mi is one of the most Broken Fruit in the world…………WARNING: This isn't about Ryokugyu. It's about his Fruit. : r/OnePiecePowerScaling