Ah...!
Xu Xin and Xu Ying immediately realized what was happening.
"Those metal cards! Didn't we just harvest seven metal cards? Maybe they'll be useful!"
Saying that, Li Wenxi fished out the seven metal cards from her backpack.
In the darkness, the metal cards emitted a faint red glow, slightly illuminating the surroundings.
"Huh? Were these cards glowing before?" She paused in surprise.
Among the seven metal cards in her hands, only two were emitting a faint red glow.
"Maybe it was too bright outside to see?"
Xu Ying took one of the faintly glowing red cards from Li Wenxi's hand and examined it closely: "Perhaps the ones glowing red have higher authorization?"
Li Wenxi handed the other card to Xu Xin: "Look."
On the card's surface, red light flowed like liquid.
Just like the crimson wall they saw when they entered.
"Perhaps it's reacting with this control panel," Xu Xin suggested, glancing at the console.
The control panel showed no changes at this moment.
