Kaido Was Quite Handy to Use

No one knew when it started, but a giant's weakness had come to be defined as the flesh at the back of the neck. Whenever people had no idea how to deal with gigantic humanoid creatures, all they had to do was slash the back of the neck.

In truth, no matter what kind of creature it was, as long as it had a brain, the back of the neck was a fatal weakness. A vast number of nerves converged there, connecting upward to the skull and downward to the torso. Once severed or obstructed, it was basically done for.

Duke flickered, and his afterimage had already reached BIG MOM's back. The heavy Shadow Eater swept out in his hand as a streak of black light. The blade's fire-scorched patterns drifted like smoke and mist, as though it had truly begun to burn.

Katakuri did not need to warn her. BIG MOM had also sensed the disturbance behind her. Her Observation Haki was extremely powerful; when concentrated to its fullest, it could penetrate objects and see the images of people within, a terrifying ability. To prevent Duke from launching a sneak attack, she had kept her Observation Haki spread out, forming a vast net around herself. Though it consumed an enormous amount of energy, BIG MOM had no choice, because the steel-like skin she was so proud of could not withstand Duke's slashes.

Bzzz!!!

The long blade swept past, cutting away a large swath of hair and narrowly missing BIG MOM's neck.

Duke inwardly sighed in regret. BIG MOM's Observation Haki was too formidable, and despite her enormous body, her reactions were incredibly fast. Landing a sneak attack on her was difficult.

After failing to land the blow, Duke did not retreat into the shadows. He sheathed both blades, clenched