"Ao Wu..."
The shrill howl suddenly tore through the air outside the base's defensive perimeter, carrying a maddening pain that made one's scalp prickle.
The next second, a colossal Giant Ape nearly a thousand zhang tall suddenly leaped up from the rear of the battlefield and crashed toward the Spirit Qi Barrier at the outermost edge of the defensive line like a meteor striking the ground.
"Rumble..."
The Spirit Qi Barrier was already tottering from the earlier impact. How could it possibly withstand the full-force strike of this ninth-rank Giant Ape?
With a thunderous boom, the Spirit Qi Barrier at the outermost edge of the defensive line instantly shattered into a sky full of glowing fragments.
Once the outer Defensive Array broke, a hideous breach was immediately torn open in the base's defensive line.
Endless alien beasts surged in amid rancid winds and furious roars. Even though the base immediately dispatched its reserve troops to block the breach, the situation remained perilously precarious.
This reserve force, composed entirely of disciples above the Deity Transformation Stage, frenziedly unleashed all kinds of Daoist arts. Yet the moment they cleared an area, the alien beasts behind them filled the gap once more like a rising tide. They simply could not kill them all.
At this critical moment, several Integration Stage powerhouses rushed over from other defensive lines, finally managing to tie down that ninth-rank Giant Ape for the time being.
But everyone knew that the Human Race had already committed its final reserve force.
The reinforcements from the other planes, meanwhile, were still nowhere to be seen. The entire base's defensive line had long since fallen into an extremely perilous situation.
"Rumble..."
Just as the base's defensive line was about to collapse completely, a massive Demonic Body over a thousand zhang tall suddenly