At this moment, Wu Yu was even more anxious than he had ever been about his own life.

Because the Ancient Demon God was already nearing the surface of the Infernal Inferno, where the nine fortresses were.

This was the most horrifying power he had ever seen in his life. It far outstripped everything else - this was the ultimate power that Wu Yu assumed immortals possessed.

This was what he craved for. He was this nervous because he would soon witness its power for himself.

Besides this titan, Ancestor Yang, the Regent, and the Holy Master of the Flaming Devil Cave were all elite beings, but none of them gave Wu Yu such a feeling, even though Wu Yu was only a third tier Primordial Spirit Transformation Realm cultivator, and still far from these people who were close to immortalhood.

From this position, he could see that the surface was not like it was. He saw a staggeringly powerful spirit design of an astounding scale. It was humongous, and had hundreds of layers of killing mechanisms all arrayed...