Page 8: - Gates of Justice begin opening without any orders or contact to control room. - Sengoku addresses Marines from raised platform before Gates of Justice at Marineford. Page 9: - Gates of Justice swing open independently during Marineford events. - Luffy and nearby pirates witness the gates opening from sea level. Page 10: - Buggy stands on high platform above Marineford crowd during gate opening. - Marines and pirates both react to unexpected appearance of Buggy group. Page 11: - 43 pirate ships form allied fleet approaching Marineford. - Notable captains include Mad Knight Doma, Thunder Lord Makugai, Dicalban Brothers, and Whirlpool Spider Squardo. Page 12: - Whitebeard's fleet approaches Marineford bay from the sea. - Ace remains bloodied and chained on the execution platform. - Doflamingo, Crocodile, and Hancock stand together on the platform. Page 13: - The sea surface forms a massive vortex above the approaching ships. - Whitebeard's ships used coating to travel on the ocean floor. Page 14: - Three Whitebeard Pirate ships surface inside Marineford bay. - The Moby Dick enters the bay with its whale figurehead prominent. - All fourteen squad leaders are present on the ships. Page 15: - Whitebeard stands on the deck of the Moby Dick. - Ace remains chained and bloodied on the execution platform. - Chapter 551 concludes with Whitebeard's arrival.