The Ninja-Pirate-Mink-Samurai Alliance is formed to take down Kaido of the Yonko and the shogun of Wano Country, and Luffy becomes entangled with another Yonko, Big Mom, as he seeks to retrieve his crewmate Sanji from her plans. Meanwhile, the royalty of the World Government gathers for the Reverie.
- Zou Arc: (Manga: 2015-2016) (Anime: 2016-2017)
- Whole Cake Island Arc: (Manga: 2016-2018) (Anime: 2017-)
- Reverie Arc: (Manga: 2018)