Kanjuro has finally arrived to Kaido and Orochi and informs them of the failure of the plan to eliminate the Scabbards and their allies.
PIS being in play Fuju and the others believe that the samurais haven't arrived, that Onigashima is safe and that the supernovas are an isolated group that Queen should have no problem handling but of course Orochi knows better than empty reassurances and wants to execute Momo and to destroy the samurais now.
I find it interesting that Kaido is still questionning Kanjuro's full loyalty and if he knows about clues to go to Laugh Tale, it is possible that he indeed did not tell everything he knew to Orochi and Kaido.
Big Mom has recognised Chopper and Usopp, with them trying in vain to attack her with the tank, it may be just to draw her attention away from the rest of the alliance. Prometheus just appeared out of nowhere and he is understandably very pissed to see Nami. The fact that he wasn't here before was surely just plot convenience so the amnesia plot could happen.
Speaking of convenience Denjiro used his cover to restrain and chain Sasaki down but without trying to kill him, which will surely bite him in the rear later.
It's really cool to see more siblings moments between Ulti and Page One, I really enjoy their relation. Ulti comes face to face with Luffy, this means there will be a fight next chapter.
Though given how nerfed Luffy has been on Onigashima this far and that it's too soon for Ulti and Page One to be beaten, he will likely just use his base and G2 attacks against them.