"Boom, boom...!"
Above the triangular defensive line at the center of the Four Symbols Frozen Expanse.
A grandmaster-level battle had erupted.
More than twenty grandmaster-level experts from the Four Great Sects unleashed their secret arts and martial techniques, seeking to tear open the defensive line.
However, grandmaster experts within the defensive line also moved to stop them.
The eight grandmaster-level experts Gu Qingxuan had brought from Central Province, along with Gu Yanshuang, who possessed grandmaster-level combat strength.
Together with the Barbarian Tribe's aged Grand Shaman, clad in animal skins.
Ten grandmaster-level experts met enemies twice their number, and fierce fighting broke out between the two sides.
At an absolute disadvantage in numbers, the Gu Lineage and the Barbarian Tribe naturally fell behind.
But they were, after all, the defending side.
With the City-Protecting Grand Formation providing cover, and the soldiers and Formation Masters within the city working together to bolster them with the power of talismans and formations, they barely managed to stabilize the situation.
But just as the grandmaster-level experts on both sides were locked in chaotic combat.
Gu Qingxuan, who remained atop the gate tower to hold the line for everyone, suddenly felt a twitch between her brows.
"Hmm...?"
The next moment, her figure flashed, and she appeared directly above the defensive line between Silverwind City and the Holy Mountain.
A ribbon of green light, condensed from immense Heaven and Earth Origin Power.
"Whoosh!"
It abruptly swept out of the void, blasting toward the City-Protecting Grand Formation above the defensive line.
Gu Qingxuan's gaze sharpened, and the Three-Foot Azure Edge swept across like lightning.
"Swish!"
An astonishingly powerful azure wind blade clashed head-on with the green light.
"Boom...!"
The two forces exploded, jolting Gu Qingxuan's arm.
"A Great Grandmaster!"
Her gaze abruptly fixed on the void ahead, on