In this post, I"m going to talk about the latest chapter where Luffy refused to leave his spot and insist that he will wait until Sanji comes back despite the fact that the Enraged Army is attacking him.
Now, we know that Luffy is not the type of person to just give up on his words therefore I am certain that Luffy will remain at the spot and fight against the Enraged Army. However, in his current state, he will not last long due to the wounds inflicted by Sanji earlier.
But just when he's about to lose, someone will come and save him..... can you think of anyone or a group of pirates who's also in Big Mom territory?
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That's right, The Sun Pirates
This is where I think the Sun Pirates will come in. We have seen The Sun Pirates when Luffy's group entered Big Mom territory. But we have yet to see them afterwards.
The reason why I think the Sun Pirates will come help Luffy is because Aladine, the vice captain of the Sun Pirates is married to Charlotte Praline, one of Big Mom's daughter who's a fish-woman. And if Big Mom know of whereabouts of Luffy then I'm sure that the Sun Pirates and Praline would also know Luffy's location.
Also, the Sun Pirates know that Jinbei have a strong bond with Luffy and he is willing to give his life for Luffy if the need arise. Aladine acknowledge that Luffy is a very important person to Jinbei, therefore he would not hesitate to come help Luffy.
Now, the importance of Charlotte Praline.
From what we can see, Aladine seems to have full control over his wife, Praline due to the fact that she's willing to choose him over Big Mom. Now the outcome of the battle can go two directions "IF" the Sun Pirates did come and save Luffy.
Charlotte Praline will order or convince the Enraged Army to leave Luffy alone and to retreat or if the Enraged Army refused to listen to Praline, then there is going to be a crash between the Enraged Army and the Sun Pirates (which I think would be very interesting if it were to really happen) but who would win I'm still not sure.
Even though the Enraged Army have more soldiers on their side than the Sun Pirates but the Sun Pirates have their Trump Card which is Wadatsume !
Since Wadatsume is a giant fishman, he can take out many soldiers all at once. Plus the fishman pirates are many times stronger than normal human therefore, the remaining threats will be the High Bounty People in the Enraged Army whom might be really strong.
Now, if the battle does occur, it might end up with the Enraged army retreating back to their base or they might listen to Charlotte Praline request in the first place which will save both sides the time and energy but I doubt the Enraged Army would let Luffy go easily...
This is just a crazy theory that I came up with and we will find out in a day or two about what will happen to Luffy so I hope you guys enjoyed it.