Above the lake, Lu Yang burst into laughter.
"Hahaha! Thanks for giving me time to recover my true energy in peace!"
By now, his true energy had already recovered to seventy-five percent.
He wasn't in perfect condition, but he was much better than when he had just left the water!
Old Man Corpse of Heaven's expression darkened at his words.
The Yellow Springs Inheritance had far too great a reputation for him not to be wary of it.
Lu Yang had spent more than four months inside Water Moon Cave Heaven.
How much he had gained during that time, and how much of Old Ancestor Yellow Springs' true teachings he had received, Old Man Corpse of Heaven couldn't say for certain.
The methods of a Martial King were extraordinary.
Even if Lu Yang's cultivation had risen to the peak of the Great Grandmaster Realm in just four months, they wouldn't have been surprised in the slightest.
If he had also obtained some king-grade cultivation techniques, king-grade martial arts, divine weapons, or the like, then killing them would be a piece of cake!
So before they could figure out what their opponent was capable of, both the Nine Ghosts and Old Man Corpse of Heaven were quite wary of Lu Yang.
But judging by the looks of it, he seemed to be using the same methods he had before entering Water Moon Cave Heaven. His cultivation, however, appeared to have grown considerably stronger.
That level of progress wasn't enough to scare Old Man Corpse of Heaven and the Nine Ghosts.
After all, one of them was a sixth-level Great Grandmaster, and the other a seventh-level Great Grandmaster. On top of that, this place was shrouded in Demonic Fiend and Demonic Aura, making it the two demons' home ground. Lu Yang's cultivation