Even before Loa and the others landed, Robin sensed that something was wrong. No matter how she looked at it, Cannibal Island, Moria, the Pirate Guerrillas, and a warship from Marine Headquarters appearing around Alabasta at the same time was far too strange.
After careful thought, Robin reached a conclusion: the Marines' real target was probably Crocodile.
She couldn't explain the logic behind it. It was only a hunch. But that instinct had helped her escape death time and again, so she trusted it.
So she began making plans early, setting the rebellion in Motion ahead of schedule. Someone as proud as the Sand Crocodile would never keep close track of his subordinates' every move. Crocodile's confidence played a part, too. As Nico Robin's protector, he did not believe she would betray him now.
But he had clearly guessed wrong.
Rather than wait for the Sand Crocodile's plan to come together as she had in the original story, Nico Robin chose this critical moment to betray Crocodile.
If an Ohara survivor hunted by the entire world had let fear stop her from betraying people, she would have died in a filthy ditch long ago.
In fact, she kept the news so tightly contained that even after the treasury was robbed and Crocodile went after the thief, he still had not noticed anything wrong in Alubarna.
If she was right and the Marines had come for Crocodile, then with someone as terrifying as Loa among them, the Sand Crocodile would have no chance of turning things around.
So why not use what remained of his forces to fulfill her own wish?
Robin was bold. That gambler's mindset seemed hard to reconcile with someone so skilled at scheming. And if her guess was wrong, she would face an enraged man-eating crocodile. Not