Lin An thought too much.
He clearly didn't have the skill to operate on his mentor.
The Witch Hunter Knights couldn't break through Professor Cao's defenses, and the bone-picking knife in Lin An's hand was even less effective, even though the four-part image constructed by Professor Cao was so clear within the vision of the Eye of Spirituality.
The Soul Balancer technique, which affected both the spirituality and the body, was equally useless.
Hit by a burst of light from Mr. Cao, he was sent flying, blood spurting from his mouth.
"Damn it, if we don't die this time, we must leave a lesson for the younger generation that those who have reached the ceiling of their cultivation have no right to mess around, as it could kill everyone!" Doctor Zhang cursed under his breath, having just regained his consciousness and the real feeling of being alive.
How wonderful that feeling was, yet before long, he was about to die.