"One Piece" Chapter 861 spoilers predict of an exciting installment up ahead. Important guests have finally arrived for the wedding ceremony, which will finally commence in the coming chapter. However, the previous chapter likewise revealed something troubling, Commander Dogtooth who may have the power to stop the Capone Bege and Straw Hat Pirates' assassination plot.
Commander Dogtooth was revealed to be Big Mom's son and also one of the three commanders of Big Mom Pirates in Chapter 860, which may be viewed in Manga Stream. As seen by Capone Bege first hand, Dogtooth has developed his observation haki to such a degree that he has the ability to see a few moments ahead into the future.
This was demonstrated when a guest attempted to slip into the wedding without going through the routine body search. He was immediately struck down by Commander Dogtooth who explained to Bege that had he allowed the man through, two of Bege's men would have died as the guest only have vengeance on his mind and would have opened fired. Dogtooth even told to a surprised Bege how his conversation with the guest would have gone. According to Bege's assessment, Dogtooth's presence at the tea party will indeed become problematic when they alliance implement its plan in "One Piece" Chapter 861.
The plan to take down Big Mom relies on the element of surprise as pointed out by GamesnAnime. With Commander Dogtooth present in the wedding, that surprise may no longer be present and the probability of the plan's success plunges to almost zero. With an ability to see into the immediate future, it looks like Dogtooth is one tough fighter to beat which is reflected by the bounty on his head of 1,057,000,000-berry.
However, Capone Bege has never failed in killing his target before. Given this reputation, it is also highly possible that he might have some contingency procedures in place for this particular type of scenario, a backup plan that could be revealed in "One Piece" Chapter 861. Stay tuned.