Boom!!
On the ice field about three kilometers outside the defensive line, along the eastern section of the encirclement.
A hole over ten meters across suddenly blasted open in the permafrost.
Ice shards and rubble flew everywhere, clanging against the surrounding mechanical dogs.
A huge head covered in gray-black scales burst out of the opening.
Its head resembled a living tunnel-boring machine, the fangs and sharp teeth at its front still spinning rapidly as it swallowed the rubble.
With a terrifying diameter of over ten meters and a length of over a hundred meters, it was undoubtedly a fearsome behemoth!
After writhing for a dozen seconds, the creature, over a hundred meters long, finally emerged fully from the ground. It sprawled on the broken ice, shook its head, and twisted in pain.
All the nearby mechanical dogs and Rock platforms had already locked on automatically and attacked at once.
Dozens of plasma beams and artillery shells slammed into it simultaneously.
The Burrowing Earth Dragon roared in pain. Sparks erupted across its scales as it was riddled with holes in an instant.
Its defenses were not top-tier, but the biggest problem was not the creature itself. It was the hole behind it.
At that moment, rustling sounds came from the pitch-black tunnel entrance.
Then hordes of Demon Clan creatures poured out of the tunnel like floodwaters bursting through a dam.
Roars, howls, and the clacking of fangs striking the ground rang out.
Within mere seconds, a dense black mass of Demon Creatures covered the area around the opening.
"Report! A Burrowing Earth Dragon has broken through the surface three kilometers outside the eastern defensive line!"
"Demon Clan infantry units are pouring out through the tunnel in large numbers!"
Before the report was finished, another voice rang out.
"They've surfaced in the