Half a day passed in the blink of an eye.
Beyond the base, at the end of the horizon, rolling Demonic Aura suddenly swept in like a mountain flood and a tidal wave.
A massive army of demons and monsters could be seen charging toward the base, blotting out the sky and covering the earth.
The rolling army surged like a raging river, sweeping over at an unimaginable speed. In the blink of an eye, it had arrived outside the base.
Boom! Boom! Boom!
For a time, war drums thundered within the base, and the blare of horns resounded across a million li around it.
Such a massive army from the Demon and Monster Races naturally alerted the human soldiers stationed there. The entire city immediately went on high alert, and the base directly entered war mode.
Buzz!
The void trembled. The next moment, the base's defensive grand formation fully activated, and a barrier of light took shape, covering a stretch of heaven and earth.
Outside the base, the demon and monster army stopped a hundred li away.
At the head of the army stood two fourth-stage Demon Venerables, floating in midair. Rolling Demonic Aura churned around them, stirring astonishing heavenly and earthly power and condensing billowing clouds beneath their feet.
"What a powerful formation. This is a Derivative Realm, covering a million li. Those damned humans actually dare to carve out territory within our Demon Realm. Who gave them the nerve..."
The speaker was one of the fourth-stage Demon Venerables.
He wore luxurious brocade robes, and his handsome features carried a trace of cruel killing intent beneath their sinister cast. Aside from the nine strange scales on his brow, which emitted soaring Demonic Aura, he looked no different from a human.
He was the Nine Infant Demon Venerable, one