The figure launching a sword attack from behind was incomparably elusive. The Heaven-Piercing Primordial Qi Cannon had thrown Mysterious Underworld Heavenly Lord's mana into disarray, and by the time he sensed something was wrong, he was already one step too late.
With no other choice, Mysterious Underworld Heavenly Lord could only unleash his strongest divine power, the Reversal Essence Wheel, reversing all spiritual qi and mana by force—including the entire Dharma Domain.
Even the sword light gathered by the figure attacking from behind was forcibly reversed. That sword was incomparably fierce as well. Two opposing currents of mana converged within the man's body, crushing him alive on the spot.
Mysterious Underworld Heavenly Lord knew that Gao Xian was skilled in the art of avatars. He also knew that the figure behind him was very likely one of Gao Xian's avatars.
However, that avatar absolutely could not withstand this sword. Without an avatar to bear it, even the Essence Wheel would shatter. This battle would then be completely lost.
Just as Mysterious Underworld Heavenly Lord had anticipated, he had only just used the divine power of the Reversal Essence Wheel to resolve the trouble behind him when Gao Xian came flying at him from the front on his sword.
This sword was like lightning spanning the heavens, its sword light sharp and brilliant, swift beyond compare.
Mysterious Underworld Heavenly Lord "saw" this sword through the Essence Wheel, but Gao Xian's sword light was too fast. In his haste, he had no power to evade it at all.
Helpless, Mysterious Underworld Heavenly Lord could only take Gao Xian's sword directly through the chest.
When the blade pierced into his chest, Mysterious Underworld Heavenly Lord activated the seventh-rank Mysterious Underworld Dharma Robe, transforming it into the Mysterious Underworld Dharma Domain to conceal his