In chapter 1055 of One Piece , it was said that Katakuri would come to Wano and save Big Mom , who was killed by Luffy and will be after Admiral Ryokugyu .

Katakuri was furious because in this One Piece chapter , Ryokugyu would kill Big Mom and Kaido in Onigashima, even though they were both helpless after Yonkou Luffy , Kid and Law cleared them out.

In chapter 1055 of One Piece , it is alleged that Katakuri is present in Wano to save his mother and will fight Admiral Ryokugyu .

The final battle between Admiral and Yonkou seems to be happening in One Piece arc Wano .