October 14, noon.
New forces gradually joined the underground battlefield.
Especially after the elites of the great clans arrived, the tide of battle finally began to turn in humanity's favor.
The shield tunneling machines that had previously been paralyzed were repaired one after another, and the tunnels resumed advancing at a normal pace.
However, Li Wei heard that many people were dying down below every day, with the elites of the great clans suffering the heaviest losses.
October 16, before dawn.
The third phase of the battle began.
This time, Sea Urchin's assault could only be described as a landslide and a tsunami.
Once again, she saw monsters surging forward in massive clumps and wave after wave, rolling ahead like a mountain advancing.
All twenty-two positions were fighting under immense difficulty.
Li Wei even felt as though she could not kill her way through them no matter how hard she tried.
Her defensive range had also been compressed from the five-hundred-meter-radius circle anchored around the rear bunker to the front of a single defensive line.
The two flanks and the rear could only be left to the other forces.
For three whole days, Li Wei slept for less than two hours.
Many times, she wanted to throw caution to the wind, break through to the Middle Third Order, and activate the Four Seasons Sword Array to clear the field over a wide area.
But Yun Heng's intermittent Telepathic Message reminders made her force herself to endure.
At seven in the morning on October 19, when the sky was only beginning to pale, the last Resonance Device at the twenty-second position completed its activation. The overwhelming tide of abyssal monsters finally retreated.
Humanity had finally completed construction of the seventh ring of Dragon Tooth Bunker, at the cost of more