Спойлеры 723-й главы
Doflamingo see's the Sunny Go, he decides to attack and sink the ship.
Sanji arrives at the right time and attacks Doflamingo before Doflamingo can attack the Sunny Go, Sanji tells Doflamingo "to stay away from his nakama". -End Of Chapter-
Что было в 724-ой мы все знаем