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.
After rescuing Sanji, Luffy is now considered the fifth Emperor after the events that transpired in Big Mom's territory. Luffy now heads to Wano while the world leaders head to the Reverie.
- Zou Arc: (Manga: 2015-2016) (Anime: 2016-2017)
- Whole Cake Island Arc: (Manga: 2016-2018) (Anime: 2017-)
- Reverie Arc: (Manga: 2018)