Just pointing out that Lucci likely isn't here. He's probably on the den den mushi with the 3 that are here. Not saying he can't, but with the island flying/moving and with all the players already set in this battle, it makes far more sense for Oda to showcase the 3 CP-0 members already present.
Plus, if the CP-0 theory regarding the 2 agents that may or may not be BMs childhood friends is true....
They can 100% reveal what she did to Caramel and the other kids as both are here. Oda mentioned only 2 witnessed this event, but it doesn't mean that these 2 didn't survive and ran away, not at outside witnesses.
This could ENTIRELY close Big Mom's point in the story, and no need for her to be in Elbaf to do so.
Plus, if the CP-0 theory regarding the 2 agents that may or may not be BMs childhood friends is true....
They can 100% reveal what she did to Caramel and the other kids as both are here. Oda mentioned only 2 witnessed this event, but it doesn't mean that these 2 didn't survive and ran away, not at outside witnesses.
This could ENTIRELY close Big Mom's point in the story, and no need for her to be in Elbaf to do so.