One Piece Episode 863 English Subbed Episode Title:Break Through! The Straw Hat's Mighty Sea Battle!.Episode Description:Luffy continues focusing during his fight with Katakuri in order to improve his Haki. Meanwhile, Perospero is horrified to find out that the wedding cake is on Bege's ship, but on that ship, Sanji forbids Bege from poisoning the cake. Carrot successfully decimates Daifuku's fleet, clearing the way for the Sunny crew to outpace the Big Mom Pirates' fleet, and Brook brings her back to the Sunny. However, Big Mom then summons Zeus and Prometheus to her side as, with them and Napoleon, she leaps onto the Sunny to look for the cake.