The events in "One Piece" chapter 829 is expected to be huge as Luffy and the gang will finally make their way to Whole Cake Island, where Sanji and Pudding's wedding will take place. Also, all of Sanji's siblings were finally introduced and it would be interesting to see his chemistry with the four.
In "One Piece" chapter 828, Pudding was shocked to know that Luffy is actually Sanji's crewmate and is the same person her mother bears grudge to. Eventually, she realized that the Straw Hat captain is a good person and she even gave them a map that leads to WCI without anyone noticing.
Meanwhile, Sanji's two other brothers were introduced and they were seen defeating an opposing army and at the same time, liberating the country. They will now head back to WCI for their younger brother's wedding.
Now, fans over at Oro Jackson came up with their own "One Piece" chapter 829 spoilers and predictions. For user OCP, he believes that Big Mom will finally introduce her fleet and the strongest members of her crew. Also, Vinsmoke Sr. is expected to make his debut, who will discuss the Germa 66's alliance with the Big Mom Pirates.
There will be a family reunion between the Vinsmokes but Sanji is not pleased at all to see his father. Also, Luffy will soon likely make contact with Jimbei's crew, who are expected to assist the pirate crew in their quest to retrieve Sanji.
Meanwhile, user Blossom believes Pudding will betray the Straw Hats. She will break her promise of meeting with the crew along with Sanji. Instead, Luffy and the others will find a horde of Big Mom's men and will eventually be captured.
Also, fans over at Reddit discuss how Luffy and Big Mom will react to each other once they go face-to-face. Some believe that no fight will transpire as Nami will find a way to open up about Lola, one of Big Mom's daughters, who they helped in Thriller Bark. Instead, there will be a massive sabotage inside the whole ceremony and a different villain will come out to ruin the party.
Here is a review of the previous chapter.