The man in the black robe, though he was a Great Grandmaster, was clearly not one of those at the level of Great Achievement within the Great Grandmasters, nor was he a peak Great Grandmaster.
Combat experience increased yet again, and Li Xuan felt a thrill of excitement. "There's no need to fight anyone, yet combat experience keeps increasing just by lying down, how cool is that!"
Therefore, there's no need to toil over cultivation; it's enough to let the disciple struggle on his own.
As a mentor, one can directly reach invincibility by just lying down.
"Your disciple Xu Yan slapped a Grandmaster Martial Artist to death, and your combat experience increased."
Li Xuan was stunned. "Another Grandmaster Martial Artist?"
Aren't Grandmaster Martial Artists among the top-ranked warriors in the Inner Domain? Why did Xu Yan manage to kill two of them shortly after entering the Inner Domain?
"Is it my disciple who provoked the Grandmaster, or the Grandmaster who provoked my disciple?"