One Piece Manga Chapter 573

After escaping the Marines with Ace’s help, Vivi sends a letter to her father via her duck, Karoo. Onboard the ship, Luffy reveals Ace is his older brother, a Whitebeard Pirate with the Mera Mera no Mi Devil Fruit. After inviting Luffy to join his crew, an offer Luffy refuses, Ace gives him a strange…

While Usopp and Nami are separated, Mr. 3 and his Baroque Works partners set a trap for the Straw Hats. Mr. 3 secretly interferes in the giants’ duel, causing Dorry to be hit by a powerful blow from Brogy. Meanwhile, Usopp runs to Luffy and Vivi, believing Nami has been eaten by a dinosaur, and…