Seeing that the sea cultivator surnamed Wu had truly perished, Qin Fengming's solemn expression finally returned to calm.
The Heart-Slaying Flame was a strange demonic flame that powerfully restrained cultivators' souls and magical power. It was not cultivated by cultivators, but something born naturally from heaven and earth. It was known as the number one demonic flame in the Cultivation World.
Even the two great spirit flames of the Cultivation World—the Extreme Yin Fire and the Extreme Yang Fire—were far inferior to it in long-range attack power.
This demonic flame was said to have been born when Chaos first opened, accompanying the birth of Chaos Purple Qi. Its might was so great that no matter what it encountered, it could turn it into nothingness.
Although the black demonic flame on the lampstand offered by the sea cultivator surnamed Wu was indeed the Heart-Slaying Flame, Qin Fengming also knew clearly that the black flame was merely Heart-Slaying Flame mixed with an unknown amount of impurities.
Otherwise, the moment he had first seen this demonic flame, his mind would already have been seized. How could he have had even the slightest chance to resist?
Of course, if it truly had been pure Heart-Slaying Flame, no one in the Human Realm could possibly have collected it and refined it into such a powerful ancient treasure.
Forget the Human Realm—even in the Upper Realm, or even the Immortal Realm, it was hard to say whether anyone would dare collect the Heart-Slaying Flame. After all, he had never heard of a Chaos spirit treasure refined from the Heart-Slaying Flame.
Facing the lampstand in the sea cultivator surnamed Wu's hand, Qin Fengming also understood that although its light had shone upon him and made it difficult to circulate the magical power throughout his body, the power