"They're not coming any closer?" Duke's voice came from behind, low and curious.
Kisha didn't turn around, her gaze fixed on the tornadoes spinning furiously like tops around the perimeter.
It was as if they were desperately trying to breach the base but were held back by something unseen.
"They can't," Kisha replied evenly, her voice calm but firm.
Her words sparked a realization in Duke, and his thoughts drifted to the base in City A. "Is it because of... an invisible barrier?" he asked, piecing the puzzle together.
Kisha turned to glance at him, a faint smile playing on her lips. "It's nice talking to smart people," she said simply.
There was no need for further explanation—her brief response confirmed Duke's suspicion.
His gaze shifted around, observing the area more carefully.
The barrier wasn't entirely invisible, he realized; it was more like a transparent shield.
