How Luffy's Hito Hito no Mi Model: Nika changed the power system

In the world of manga and anime, there­ exists a highly popular and enduring serie­s called One Piece­.

One Piece: Devil Fruits As Strong As Hito Hito no Mi, Model: Nika

The Meaning Behind Luffy's Devil Fruit and Explaining the Gear

Read One Piece 1045: Hito Hito no Mi's Power Model: Nika Shows

Things I don't get about the Hito Hito no mi:Model Nika : r/OnePiece

What's with the different paramecia type devil fruit power? Why

Hito Hito No Mi (Model Sun God Nika), Wiki

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Why was “Gomu Gomu no Mi” being guarded by the world government as

Shanks e o dono original da hito hito no mi Nika - O custo do