Chen Fei's expression changed slightly. His figure flashed, and he was already above Qianyan City.
Zhao Ruizheng and the others appeared one after another. Everyone could not help turning toward the Sacred City's walls, where scarlet light now blazed skyward.
"Activate the formation, move!" Chen Fei ordered, flying toward the city walls.
The bell had rung, and red light had appeared at the walls. This signified an emergency at the Sacred City's defenses.
According to the Sacred City's rules, whenever this happened, every Mountain Sea Realm cultivator within the city had to head to the walls without condition, even if they were in seclusion preparing for a breakthrough.
Once the Sacred City's walls were breached, seclusion would only lead to death. Better to stop the enemy outside while the walls still stood.
Chen Fei and the others formed a battle array. Their vital energy transformed into a roc around them, and in the next moment, their speed surged as they vanished from where they stood.
Flying Roc Formation!
A combat formation distributed freely by the Mission Hall. So long as there were at least three people, the formation could be established to increase their speed.
Over this period, Chen Fei and the others had all practiced it. Their coordination could not yet be called flawless, but they could already use the formation in actual combat.
In less than a quarter of an hour, Chen Fei and the others had arrived atop the city walls. Numerous streaks of light were steadily flying in from afar.
A faint glow flickered between Chen Fei's brows, rapidly drawing the scene a hundred miles away closer before his eyes.
He could see densely packed shadows surging toward the walls like a tide blotting out the sky and earth.
The auras of the monsters intertwined, forming