Merely severing the head would not kill a normal Dao Ancestor-level powerhouse. It was just like when Chen Fei had cut Nan Caiming in two with a single sword earlier—Nan Caiming had only been heavily injured, not dead with his Dao dissipated.
But precisely because Nan Caiming had already been gravely wounded, having his head taken by this sword now caused the vitality within him to be utterly destroyed in an instant.
Nan Caiming's eyes were still wide as he stared at Chen Fei. He could feel his life force draining away madly. No matter how the Fire Heavenly Dao restored him, it could not stop that life force from scattering.
Nan Caiming knew that he was going to die, and that there was no turning it back.
An extreme unwillingness surged into Nan Caiming's heart in an instant. Though he had already sensed just now that something like this might happen, when it truly came, Nan Caiming still could not accept it.
He was the great Space Dao Ancestor, one who had stood in the Ruin Realm for countless tens of thousands of years. Though his Authority over the Space Heavenly Dao had previously been stolen, Nan Caiming had finally found the thief's true identity.
Not long ago, he had even transformed the Fire Heavenly Dao, pushing his own strength another step forward.
Inviting the Chaos Dao Ancestor to join him in surrounding and killing the thief had been the perfect opportunity to seize back the Space Heavenly Dao Authority he had lost.
Once it was done, Nan Caiming knew his strength would surpass even his former peak, and by a great margin.
It should have been a flawless scheme. How had it turned into this? How could Chen Fei's strength be this great? He was clearly only at