Natsu, Gray, and Lucy's attempt to reach the Faust is held up by the Royal Army Captains Hughes and Sugarboy. When the servant Coco steals the key to the Dragon Chain Cannon to save Pantherlily and Extalia, she is pursued by the Royal Army's Chief of Staff Byro and runs into Lucy, fleeing from monsters. As Coco considers giving the key to Lucy, Lucy and Byro engage in battle.