Chapter 580: Chapter 307: The Demon King of Heaven, the Commander of the Monster Extermination Army Appears_2

Some of them had appearances almost identical to those of the Human Race, with no distinction.

However, upon seeing those 'people,' both Heavenly Sword Elder and Unparalleled Venerable's faces turned solemn.

Only the Ninth Rank Demon Kings of the Demon Race could make several Celestial Human Venerables feel solemn.

At this moment, Lu Yun's heart was also incredibly unsettled, as the power of the Demon Race far exceeded his imagination.

Even across an endless battlefield, he could still clearly feel the terrifying aura emanating from the colossal Demon Army, causing a suffocating sensation.

The million-strong Demon Army was at the weakest Fifth Rank, and the murderous intent that they gathered together shot up into the sky, stirring the Evil Qi that filled the Endless Battlefield.

"Boom!"

Suddenly, an extremely immense aura emerged, with a pillar of light piercing the sky and enveloping the entire Endless Battlefield.