One Piece Episode 870 English Dubbed Episode Title: A Fist of Divine Speed - Another Gear 4 Application Activated! Episode Description: Sanji and Pudding make it to Cacao Island, and successfully sneak into Chocolat Town without anyone noticing. Meanwhile, Luffy activates Gear 4: Snakeman, a form that increases the speed of his punches and allows him to rapidly change their direction. Katakuri responds with powerful attacks of his own, and the two engage in a massive duel until finally hitting each other with finishing blows.