To be honest, Duncan regretted his words as soon as they were spoken—he genuinely feared that Vanna, this straightforward girl, would destroy her own eyes on the spot...
The reaction of the young Judge was beyond his expectation. He had imagined that his presence as a top villain would undoubtedly arouse strong hostility from Vanna, but he didn't expect her actions to be so decisive and rapid. In the blink of an eye, she identified key elements such as the Dreamscape invasion and the mirror medium, taking targeted countermeasures, which was entirely different from when he first invaded Sherry's Dreamscape.
From beginning to end, she tried her best to avoid communicating with him—the invader—this was an "emergency measure" to prevent the spread of spiritual contamination during a Dreamscape invasion.