Leaks
-There will be a great event (supremacy)will happen to Sanji even Zoro’s fans will be Sanji’s fans after that event
-Sanji will maintain the balance of the world
-Sanji will fusion with a mythical fiery bird* not obeying orders
*by obtaining new fruit / new suit depends on the translation
These are for future events and These from Oda’s draft for future events and his conversation with the editor