Chapter 0, One Piece Wiki

Chapter 0 is called "Strong World". It is a special chapter released alongside Chapter 565 and included in Volume 0. It introduces the events 20–25 years before Monkey D. Luffy began his adventure, and the story of Shiki for the 10th One Piece Film: Strong World. Color Spread: Straw Hats (minus Nami) dressed in formal black clothes, wielding various guns and ready for action. Three years before the beginning of the Golden Age of Piracy, word arrives at Marineford that Shiki and the Roger Pirates

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Chapter 987, One Piece Wiki

Volume 0, One Piece Wiki

List of One Piece chapters (1016–current) - Wikipedia

Chapter 843, One Piece Wiki

Chapter 1052, One Piece Wiki

Chapter 1047, One Piece Wiki