Tianyong Underground City.
The Dome Wall had cracked across vast stretches. The underground main structure, once solid, was now riddled with fissures gnawed open by Burrowing Earth Dragons.
To seal those breaches, the city's defenders kept bombarding them with preplanted explosives and heavy firepower.
The results were obvious, but the cost was enormous.
Already damaged by the Burrowing Earth Dragons, the dome structure grew even more fragile under the continuous explosions.
Boom!
Another massive section of concrete and alloy support beams collapsed from above.
Rubble crashed into the streets below, burying several unmanned combat vehicles.
Dust billowed into the air.
The next second, shrill Demon Clan howls rang out from the collapsed opening.
Hordes of the Demon Clan crawled out through the cracks.
"Sector Three of the northwest dome has collapsed!"
"The Demon Clan is entering through the collapsed opening! We've lost contact with the seventh unmanned firing position!"
"Damn it! They've bored through the eastern auxiliary passage again! The number of Burrowing Earth Dragons is still increasing!"
Inside Tianyong City's Command Center, the Information Officers' reports came one after another.
City Lord Chen Jianguo stood before the command console, his eyes filled with anxiety.
On the screen, red zones were spreading inward from the city's outskirts.
Blue dots on the front line went dark in swaths. Unmanned equipment was being lost at a frightening rate.
Fortunately, all the human soldiers had already withdrawn, or the losses would have been even greater!
Tianyong City... could no longer hold.
Division Commander Li Chousha stood beside him, his voice hoarse.
"At this rate, the Demon Clan will break into the city's core in half an hour at most."
Of course Chen Jianguo knew.
What frustrated him even more was that they still had the Antimatter Bomb, and they still had the Nuclear