Its Name is Enma! Oden's Great Swords!

At the secret place where Kawamatsu stored weapons, Zoro agrees to return Shusui in exchange for Enma. At the Flower Capital, Law subdues Hawkins and escapes prison with the help from an unknown individual. As the day of the Fire Festival draws closer, the Ninja-Pirate-Mink-Samurai Alliance continues with their preparations for the raid on Onigashima. Apoo returns to Wano with a group of gigantic beings known as the Numbers. At Onigashima, Kaido and Big Mom decide to put aside their feud and form an alliance to conquer the world.