- Chapter 1,057: “Conclusion”. -Momonosuke and Kinemon (along with Yamato) say goodbye to Luffy and his gang. - Yamato will not go with Luffy and the rest, first he will travel through Wanokuni and later he will go out to sea. -Luffy gives his flag to Momonosuke. -Luffy tells Momonosuke, Kinemon and Yamato that he will come looking for them at the time they want to sail to the sea. - Luffy, Law, Kid and their gangs leave Wanokuni. - At the end of the chapter Momonosuke wonders where they should place the flag. - Finish Act 3 and the Wanokuni arc.
Un-amed seems to have posted the real spoilers but just in a trolly fashion of mentioning 3 new nakama vaguely. It's Jinbe and two other people, likely Zeus and Caribou.
Oliver Moore
You can literally skip Wanko and miss nothing important but shitty retcons.