ワンピース 870 Manga Chapter One Piece: Theory & Prediction. Luffy Vs Big Mom + Capone Bege is soon to fall ill by Big Mom its now or never Luffy must fight right? Well there are solutions to the situation, we dont have to fight but looking at other ways there is a 1 chance of happening. There is a 1 chance Luffy would win if he fights yonko Big Mom.