Dimensional travel was nothing new to Judai anymore. Kira had taken him through so many dungeon runs that the Spirit World Dimension now felt like home to Judai, with nothing left to fear.
Later, the Supreme King fell, and the Different Dimension main quest was more or less cleared. Kira had other matters to attend to, so he had less time to run dungeons with Judai. But Judai had already become hooked on this Open-World Dueling Exploration Game with limitless possibilities, and he would log on by himself from time to time to find someone for a few duels.
But this was still novel to Yubel. Back in the dorm, she watched Judai activate his Duel Disk and log into the Link System. Deep-blue ripples spread like waves, swiftly swallowing every scene around Judai. It was as if he had accelerated beyond the dimensions and arrived at the Link System's starting point, Virtual Duel City.
Seeing such a thing for the first time, Yubel could not help but be deeply shocked.
Truthfully, Yubel was a spirit with some knowledge of dimensional abilities. In the anime, she had sent the entire Duel Academy into the Different Dimension with one hand, which showed just how overbearing her power was.
But precisely because she understood it, she was even more bewildered. Dimensional Travel was by no means some low-level technique just anyone could grasp. Yet humanity's technology in this world had already reached such a level. Even a powerful spirit like her could no longer underestimate its technological prowess.
"Judai, the technology in your Duel Disk," Yubel could not help asking, "why does it seem like I've never seen anyone else using one before?"
Judai waved the Duel Disk in his hand. "This? Oh, Kira got it for me. It's a KaibaCorp exclusive