Invincible! A Gruesome Army of Headcracker Dolls!

Synopsis

Robin, Rebecca, and Bartolomeo draw closer to the Flower Field on the fourth level of the Royal Palace plateau, but a sudden attack by Gladius' exploding spheres sends Robin and Bartolomeo hurtling towards the level below - and directly into Luffy and the others' battle with the creepy Headcracker Dolls!