Guo Yuyun glanced at the energy-releasing tower, aware that Longhun might target the Four Symbols Fusing System. This system, like a protective dome, sheltered the city within. If the city were to lose this system, the Winged Dragons could easily massacre their way inside as if entering an undefended land. The pressure inside the city would then become immense as the people from the Immortal and Demon Realms would be forced to dispatch more troops for its defense. These reinforcements could only be drawn from elsewhere, undoubtedly leading to a shortage of manpower. To secure Heavenly City, the top priority was to protect this system.
He Xibai watched the utterly calm Guo Yuyun, not knowing what the young girl was thinking. Ever since she emerged from Demon Palace City, she had changed significantly, especially after her father was laid to rest there and she believed Ye Chen to be dead. It seemed she had transformed into a different person, becoming much more composed and mature.
