Yami could only laugh at Serena's show of excitement. One he had waited so long to see. Yami let Serena choose whatever rides she wanted and the occasional he though she would enjoy. 

When Seto looked up to see what it was that Mokuba cried his name outland stood up, it was too late as he'd witnessed Mokuba and Duke flung across the room. "Mokuba!" He cried out to his brother. He looked behind him to see the shadow. Hearing his distress, his Blue-Eyes White Dragon appeared and about the size of a moose if not a bit bigger to be an appropriate size based on the room. "You dare go after my little brother you coward? Who are you?" Seto exclaimed with clear anger toward the shadow.